From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3026184FB8; Thu, 1 Feb 2024 18:01:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810486; cv=none; b=ly0fCIW8gywUc1nT91sFFPjzAgtgiKqAT6AuvXZIuvybMQ73eIWpsy4p7BLgdG2Yv/+lA/gjyKns6zyQxf7b9vwBOvbZaD7S4l6wB0U838IQE4hFmX9irDicQN+xwhJ9ww29B62bvZ68ZiUHs2dZFFXHW1nWyFPHqd9VCZ9XQhQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810486; c=relaxed/simple; bh=hjODPAvfHHQsYQrgcPIWkoWLz7Tm/5vLqy/n+aT9TWU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PfKMF6PH76PFVbvSqWbPkkKj+X8g6uVOZNAhYU6K9F4aMlkX1Zma7vd5W08dsXwRfUnrx0ug1ecUNq8w6Vbbe67I5edxqMOwvOmZKq/iR0NisZniPweLynAgvh8ZCslkKzdH/js+9u+Y+Ps2UigwxL3GoJKNp6Y95yCoiqvgNOU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=NM+7Fo4c; arc=none smtp.client-ip=198.47.19.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="NM+7Fo4c" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 411I14nX049525; Thu, 1 Feb 2024 12:01:04 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706810464; bh=eDTJGp1LNK+YD1bJfvgjkV/rIr2yWhv+8KTb7j41Dpg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=NM+7Fo4c7ceajZ+cEpoLOlC2yRfbGmX4fXpqrOKldutGs2RZfVYxgID1cm6MTbd3s evZHXEYzZL+7rWVOu0CjH+S9Kmu8TUWTDXGZYfz/eM2H/Z7pl3zgycJYUFY+DN9pyA N7FLw3cwJ7ENiIECBLNflp9C0t18B2XAaokdFhpo= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 411I14Ev004464 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Feb 2024 12:01:04 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:04 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:04 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gf117221; Thu, 1 Feb 2024 12:01:03 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 01/18] power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:45 -0600 Message-ID: <20240201180102.70395-2-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/atc260x-poweroff.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/power/reset/atc260x-poweroff.c b/drivers/power/reset/a= tc260x-poweroff.c index b4aa50e9685e1..ce2748d3282c3 100644 --- a/drivers/power/reset/atc260x-poweroff.c +++ b/drivers/power/reset/atc260x-poweroff.c @@ -16,7 +16,6 @@ struct atc260x_pwrc { struct device *dev; struct regmap *regmap; - struct notifier_block restart_nb; int (*do_poweroff)(const struct atc260x_pwrc *pwrc, bool restart); }; =20 @@ -172,11 +171,9 @@ static void atc260x_pwrc_pm_handler(void) WARN_ONCE(1, "Unable to power off system\n"); } =20 -static int atc260x_pwrc_restart_handler(struct notifier_block *nb, - unsigned long mode, void *cmd) +static int atc260x_pwrc_restart_handler(struct sys_off_data *data) { - struct atc260x_pwrc *pwrc =3D container_of(nb, struct atc260x_pwrc, - restart_nb); + struct atc260x_pwrc *pwrc =3D data->cb_data; pwrc->do_poweroff(pwrc, true); =20 return NOTIFY_DONE; @@ -194,8 +191,6 @@ static int atc260x_pwrc_probe(struct platform_device *p= dev) =20 priv->dev =3D &pdev->dev; priv->regmap =3D atc260x->regmap; - priv->restart_nb.notifier_call =3D atc260x_pwrc_restart_handler; - priv->restart_nb.priority =3D 192; =20 switch (atc260x->ic_type) { case ATC2603C: @@ -225,7 +220,11 @@ static int atc260x_pwrc_probe(struct platform_device *= pdev) dev_warn(priv->dev, "Poweroff callback already assigned\n"); } =20 - ret =3D register_restart_handler(&priv->restart_nb); + ret =3D devm_register_sys_off_handler(priv->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + atc260x_pwrc_restart_handler, + priv); if (ret) dev_err(priv->dev, "failed to register restart handler: %d\n", ret); @@ -241,8 +240,6 @@ static void atc260x_pwrc_remove(struct platform_device = *pdev) pm_power_off =3D NULL; atc260x_pwrc_data =3D NULL; } - - unregister_restart_handler(&priv->restart_nb); } =20 static struct platform_driver atc260x_pwrc_driver =3D { --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0420084FAE; 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charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/atc260x-poweroff.c | 38 ++++++++++---------------- 1 file changed, 14 insertions(+), 24 deletions(-) diff --git a/drivers/power/reset/atc260x-poweroff.c b/drivers/power/reset/a= tc260x-poweroff.c index ce2748d3282c3..e3e4621ccb1dd 100644 --- a/drivers/power/reset/atc260x-poweroff.c +++ b/drivers/power/reset/atc260x-poweroff.c @@ -19,9 +19,6 @@ struct atc260x_pwrc { int (*do_poweroff)(const struct atc260x_pwrc *pwrc, bool restart); }; =20 -/* Global variable needed only for pm_power_off */ -static struct atc260x_pwrc *atc260x_pwrc_data; - static int atc2603c_do_poweroff(const struct atc260x_pwrc *pwrc, bool rest= art) { int ret, deep_sleep =3D 0; @@ -164,11 +161,15 @@ static int atc2609a_init(const struct atc260x_pwrc *p= wrc) return ret; } =20 -static void atc260x_pwrc_pm_handler(void) +static int atc260x_pwrc_pm_handler(struct sys_off_data *data) { - atc260x_pwrc_data->do_poweroff(atc260x_pwrc_data, false); + struct atc260x_pwrc *pwrc =3D data->cb_data; + + pwrc->do_poweroff(pwrc, false); =20 WARN_ONCE(1, "Unable to power off system\n"); + + return NOTIFY_DONE; } =20 static int atc260x_pwrc_restart_handler(struct sys_off_data *data) @@ -211,14 +212,14 @@ static int atc260x_pwrc_probe(struct platform_device = *pdev) if (ret) return ret; =20 - platform_set_drvdata(pdev, priv); - - if (!pm_power_off) { - atc260x_pwrc_data =3D priv; - pm_power_off =3D atc260x_pwrc_pm_handler; - } else { - dev_warn(priv->dev, "Poweroff callback already assigned\n"); - } + ret =3D devm_register_sys_off_handler(priv->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + atc260x_pwrc_pm_handler, + priv); + if (ret) + dev_err(priv->dev, "failed to register power-off handler: %d\n", + ret); =20 ret =3D devm_register_sys_off_handler(priv->dev, SYS_OFF_MODE_RESTART, @@ -232,19 +233,8 @@ static int atc260x_pwrc_probe(struct platform_device *= pdev) return ret; } =20 -static void atc260x_pwrc_remove(struct platform_device *pdev) -{ - struct atc260x_pwrc *priv =3D platform_get_drvdata(pdev); - - if (atc260x_pwrc_data =3D=3D priv) { - pm_power_off =3D NULL; - atc260x_pwrc_data =3D NULL; - } -} - static struct platform_driver atc260x_pwrc_driver =3D { .probe =3D atc260x_pwrc_probe, - .remove_new =3D atc260x_pwrc_remove, .driver =3D { .name =3D "atc260x-pwrc", }, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A758127B56; Thu, 1 Feb 2024 18:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; cv=none; b=J7UbgCs0clyrzdvL2u7mC3LVf/HOMJUnCWcfWxQw7+jtAjMPxKJ9apBwpZS/IK1PKjjSL8phV+P9D8AATZG/61sWcro17Ig6vJXz0pz5U01dxyqyix1Uw+pBkj0yeE6He4GIQ+j3Ar50krjbM4Gg4iwnCp3axxNdhYs0T2w/9Mw= ARC-Message-Signature: i=1; a=rsa-sha256; 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Thu, 1 Feb 2024 12:01:05 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gh117221; Thu, 1 Feb 2024 12:01:04 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 03/18] power: reset: xgene-reboot: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:47 -0600 Message-ID: <20240201180102.70395-4-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis --- drivers/power/reset/xgene-reboot.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene= -reboot.c index c2e5a99940d37..5c923ab838a55 100644 --- a/drivers/power/reset/xgene-reboot.c +++ b/drivers/power/reset/xgene-reboot.c @@ -24,15 +24,11 @@ struct xgene_reboot_context { struct device *dev; void *csr; u32 mask; - struct notifier_block restart_handler; }; =20 -static int xgene_restart_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int xgene_restart_handler(struct sys_off_data *data) { - struct xgene_reboot_context *ctx =3D - container_of(this, struct xgene_reboot_context, - restart_handler); + struct xgene_reboot_context *ctx =3D data->cb_data; =20 /* Issue the reboot */ writel(ctx->mask, ctx->csr); @@ -64,9 +60,8 @@ static int xgene_reboot_probe(struct platform_device *pde= v) ctx->mask =3D 0xFFFFFFFF; =20 ctx->dev =3D dev; - ctx->restart_handler.notifier_call =3D xgene_restart_handler; - ctx->restart_handler.priority =3D 128; - err =3D register_restart_handler(&ctx->restart_handler); + err =3D devm_register_sys_off_handler(dev, SYS_OFF_MODE_RESTART, 128, + xgene_restart_handler, ctx); if (err) { iounmap(ctx->csr); dev_err(dev, "cannot register restart handler (err=3D%d)\n", err); --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2C9112880D; Thu, 1 Feb 2024 18:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; cv=none; b=c+1mssqe+PX2Bzoa5P6hjwwaUrx33f0hT1AMdf+n73a2u5ky2p56ucgPCOrPpLsGm7cPTgMz9TKwMeqLYv6QKX714Q93r5ntMlG85xN/+A14yIqZ9xwgFJY56h/61zWN4Xa+JXyKVJKYeJkqq6XYS9RV9RycxDlFc0A+ZdQHhnM= ARC-Message-Signature: i=1; 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charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/tps65086-restart.c | 35 ++++++-------------------- 1 file changed, 7 insertions(+), 28 deletions(-) diff --git a/drivers/power/reset/tps65086-restart.c b/drivers/power/reset/t= ps65086-restart.c index ee8e9f4b837ea..82d7a761a0385 100644 --- a/drivers/power/reset/tps65086-restart.c +++ b/drivers/power/reset/tps65086-restart.c @@ -10,15 +10,12 @@ #include =20 struct tps65086_restart { - struct notifier_block handler; struct device *dev; }; =20 -static int tps65086_restart_notify(struct notifier_block *this, - unsigned long mode, void *cmd) +static int tps65086_restart_notify(struct sys_off_data *data) { - struct tps65086_restart *tps65086_restart =3D - container_of(this, struct tps65086_restart, handler); + struct tps65086_restart *tps65086_restart =3D data->cb_data; struct tps65086 *tps65086 =3D dev_get_drvdata(tps65086_restart->dev->pare= nt); int ret; =20 @@ -46,13 +43,13 @@ static int tps65086_restart_probe(struct platform_devic= e *pdev) if (!tps65086_restart) return -ENOMEM; =20 - platform_set_drvdata(pdev, tps65086_restart); - - tps65086_restart->handler.notifier_call =3D tps65086_restart_notify; - tps65086_restart->handler.priority =3D 192; tps65086_restart->dev =3D &pdev->dev; =20 - ret =3D register_restart_handler(&tps65086_restart->handler); + ret =3D devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + tps65086_restart_notify, + tps65086_restart); if (ret) { dev_err(&pdev->dev, "%s: cannot register restart handler: %d\n", __func__, ret); @@ -62,23 +59,6 @@ static int tps65086_restart_probe(struct platform_device= *pdev) return 0; } =20 -static void tps65086_restart_remove(struct platform_device *pdev) -{ - struct tps65086_restart *tps65086_restart =3D platform_get_drvdata(pdev); - int ret; - - ret =3D unregister_restart_handler(&tps65086_restart->handler); - if (ret) { - /* - * tps65086_restart_probe() registered the restart handler. So - * unregistering should work fine. Checking the error code - * shouldn't be needed, still doing it for completeness. - */ - dev_err(&pdev->dev, "%s: cannot unregister restart handler: %d\n", - __func__, ret); - } -} - static const struct platform_device_id tps65086_restart_id_table[] =3D { { "tps65086-reset", }, { /* sentinel */ } @@ -90,7 +70,6 @@ static struct platform_driver tps65086_restart_driver =3D= { .name =3D "tps65086-restart", }, .probe =3D tps65086_restart_probe, - .remove_new =3D tps65086_restart_remove, .id_table =3D tps65086_restart_id_table, }; module_platform_driver(tps65086_restart_driver); --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B77EC8526D; Thu, 1 Feb 2024 18:01:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810498; cv=none; b=h+KoppKlwPtgNiyLzZG+jaagi+B8EfbdWbB5q/aLxTNiS31dsgoepU3nEpLji8AupM+bXv26QKp4K5jyKcjVi1doWc7Kg2lj3IGynxYGCGDyE310Hpc5R7biUf9NQPDDkhq4Olcs7zbhpIfW8wLpcOcJBRDdmPJwAyi9wX/KgkY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810498; c=relaxed/simple; bh=cM1cFjnSzQs76i3u0egboaHOZ+8JvQ6u6lgJc80Opuw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IG6tCpP9EQGJTFvdstA/WlF1/SVbgQbhb7ignp90ZnO6nyqj9Y+Uxd8gzUKGLlwQ9KQtlQ9hO/oq4lqt8KO7+sohJm9Tj3ggYlayyUVjG+/prR47mchCLcsjGBqyUp95ph0S0cI/p2NY6Bbdijk+VdR2fDEaqX2kYAM0KML8u08= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=w1pNiTRg; arc=none smtp.client-ip=198.47.23.249 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="w1pNiTRg" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 411I16NW127754; Thu, 1 Feb 2024 12:01:06 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706810466; bh=awh4L/FvuKTUk4LCovxuQcQcm/YmAlMhgCuKLpIU3pA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=w1pNiTRgiYLJ3cK7YvY8c2Pa4edi510sVdoaT8seLl/gN9yEbfAU6Nl/gX2KqZhQO jQpE3eI6pz/LFdKE9c6sgY5455FAfFmj3+bpt38atd6cneNOvWGhnDOl3+cEWWiOyv Xws7a6m7Jn2cXLLzac0mfvROnKD1dLeI5pESMkco= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 411I16oq120370 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Feb 2024 12:01:06 -0600 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:06 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:06 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gj117221; Thu, 1 Feb 2024 12:01:06 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 05/18] power: reset: tps65086-restart: Remove unneeded device data struct Date: Thu, 1 Feb 2024 12:00:49 -0600 Message-ID: <20240201180102.70395-6-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" We only need one member of the struct tps65086_restart, pass that tps65086_restart_notify() directly. Remove that struct and its allocation. Signed-off-by: Andrew Davis --- drivers/power/reset/tps65086-restart.c | 35 ++++++-------------------- 1 file changed, 8 insertions(+), 27 deletions(-) diff --git a/drivers/power/reset/tps65086-restart.c b/drivers/power/reset/t= ps65086-restart.c index 82d7a761a0385..6976dbcac74fa 100644 --- a/drivers/power/reset/tps65086-restart.c +++ b/drivers/power/reset/tps65086-restart.c @@ -9,19 +9,14 @@ #include #include =20 -struct tps65086_restart { - struct device *dev; -}; - static int tps65086_restart_notify(struct sys_off_data *data) { - struct tps65086_restart *tps65086_restart =3D data->cb_data; - struct tps65086 *tps65086 =3D dev_get_drvdata(tps65086_restart->dev->pare= nt); + struct tps65086 *tps65086 =3D data->cb_data; int ret; =20 ret =3D regmap_write(tps65086->regmap, TPS65086_FORCESHUTDN, 1); if (ret) { - dev_err(tps65086_restart->dev, "%s: error writing to tps65086 pmic: %d\n= ", + dev_err(tps65086->dev, "%s: error writing to tps65086 pmic: %d\n", __func__, ret); return NOTIFY_DONE; } @@ -36,27 +31,13 @@ static int tps65086_restart_notify(struct sys_off_data = *data) =20 static int tps65086_restart_probe(struct platform_device *pdev) { - struct tps65086_restart *tps65086_restart; - int ret; - - tps65086_restart =3D devm_kzalloc(&pdev->dev, sizeof(*tps65086_restart), = GFP_KERNEL); - if (!tps65086_restart) - return -ENOMEM; - - tps65086_restart->dev =3D &pdev->dev; - - ret =3D devm_register_sys_off_handler(&pdev->dev, - SYS_OFF_MODE_RESTART, - SYS_OFF_PRIO_HIGH, - tps65086_restart_notify, - tps65086_restart); - if (ret) { - dev_err(&pdev->dev, "%s: cannot register restart handler: %d\n", - __func__, ret); - return -ENODEV; - } + struct tps65086 *tps65086 =3D dev_get_drvdata(pdev->dev.parent); =20 - return 0; + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + tps65086_restart_notify, + tps65086); } =20 static const struct platform_device_id tps65086_restart_id_table[] =3D { --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3A8084FA8; 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Thu, 1 Feb 2024 12:01:07 -0600 Received: from DFLE108.ent.ti.com (10.64.6.29) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:07 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:07 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gk117221; Thu, 1 Feb 2024 12:01:06 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 06/18] power: reset: brcm-kona-reset: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:50 -0600 Message-ID: <20240201180102.70395-7-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis --- drivers/power/reset/brcm-kona-reset.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/power/reset/brcm-kona-reset.c b/drivers/power/reset/br= cm-kona-reset.c index d05728b1db097..4bb956c8f24f8 100644 --- a/drivers/power/reset/brcm-kona-reset.c +++ b/drivers/power/reset/brcm-kona-reset.c @@ -13,11 +13,10 @@ #define RSTMGR_WR_PASSWORD_SHIFT 8 #define RSTMGR_WR_ACCESS_ENABLE 1 =20 -static void __iomem *kona_reset_base; - -static int kona_reset_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int kona_reset_handler(struct sys_off_data *data) { + void __iomem *kona_reset_base =3D data->cb_data; + /* * A soft reset is triggered by writing a 0 to bit 0 of the soft reset * register. To write to that register we must first write the password @@ -31,18 +30,17 @@ static int kona_reset_handler(struct notifier_block *th= is, return NOTIFY_DONE; } =20 -static struct notifier_block kona_reset_nb =3D { - .notifier_call =3D kona_reset_handler, - .priority =3D 128, -}; - static int kona_reset_probe(struct platform_device *pdev) { + void __iomem *kona_reset_base; + kona_reset_base =3D devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(kona_reset_base)) return PTR_ERR(kona_reset_base); =20 - return register_restart_handler(&kona_reset_nb); + return devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART, + 128, kona_reset_handler, + kona_reset_base); } =20 static const struct of_device_id of_match[] =3D { --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3DC584FA6; Thu, 1 Feb 2024 18:01:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810487; cv=none; b=fnzShCqSPw/ziZoGahEeXtqtmeUJTC7bJeVypXFJgptG2Sg2mtSjortEd8GHK66mOZ44VdGJmR8Dm+7AVeEnwyPDliGpYJwQmUjSyKxvWXemiNmrViE+3uEmBDQuMgSgjJlTtXhGH6HIA7nDhndND52N75NDpzc/vaLWwQn9ah8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810487; c=relaxed/simple; bh=QekKnIF+GkovKO7gb14ZkIhecaU+qacpUcgS7SjOB24=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=laxuBJJ139WkxPfGT3H5PVanCU1yAMfy01iigmvfqkFc1AqQ1cx3POAe/g1UlfZOWQuxocNUsTXSb1e71KNFZQg4LyP9MfIqBuvW8mWGQ1y+3x2D/1Rj7ZVIk76y4Zmiz1F6VYlnQ4KjZy4Yc7cZnGs55rUTpgqmuBf7GISLW/I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=eQYWuq+o; arc=none smtp.client-ip=198.47.19.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="eQYWuq+o" Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 411I18Cq049598; Thu, 1 Feb 2024 12:01:08 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706810468; bh=2TI8f8x/5Y4Kr2Vxqhq6Wi5Pu8tSR0ICKXsQgkmtu64=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=eQYWuq+oUvJbHoGPrNtq5ir2oEU+L6SOYJqp9NBnd33fXSL4HVVqGRItaEb/8bljG eMA/EbEc+6q2xUmQllVAKB/7BvHQ0EGMpuQMXf2i/5DQoFh5Wfri4pJCxDQe1X6ht2 El6qPNeH9O1v32iCzBKRC12kD+U2W2OYLu1U9+eM= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 411I18tF047528 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Feb 2024 12:01:08 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:07 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:07 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gl117221; Thu, 1 Feb 2024 12:01:07 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 07/18] power: reset: axxia-reset: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:51 -0600 Message-ID: <20240201180102.70395-8-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis --- drivers/power/reset/axxia-reset.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/power/reset/axxia-reset.c b/drivers/power/reset/axxia-= reset.c index 24946766760c3..797bf6773860e 100644 --- a/drivers/power/reset/axxia-reset.c +++ b/drivers/power/reset/axxia-reset.c @@ -26,11 +26,10 @@ #define SC_EFUSE_INT_STATUS 0x180c #define EFUSE_READ_DONE (1<<31) =20 -static struct regmap *syscon; - -static int axxia_restart_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int axxia_restart_handler(struct sys_off_data *data) { + struct regmap *syscon =3D data->cb_data; + /* Access Key (0xab) */ regmap_write(syscon, SC_CRIT_WRITE_KEY, 0xab); /* Select internal boot from 0xffff0000 */ @@ -44,14 +43,10 @@ static int axxia_restart_handler(struct notifier_block = *this, return NOTIFY_DONE; } =20 -static struct notifier_block axxia_restart_nb =3D { - .notifier_call =3D axxia_restart_handler, - .priority =3D 128, -}; - static int axxia_reset_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; + struct regmap *syscon; int err; =20 syscon =3D syscon_regmap_lookup_by_phandle(dev->of_node, "syscon"); @@ -60,7 +55,8 @@ static int axxia_reset_probe(struct platform_device *pdev) return PTR_ERR(syscon); } =20 - err =3D register_restart_handler(&axxia_restart_nb); + err =3D devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART, + 128, axxia_restart_handler, syscon); if (err) dev_err(dev, "cannot register restart handler (err=3D%d)\n", err); =20 --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 21DAD12B159; Thu, 1 Feb 2024 18:01:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; 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charset="utf-8" Use device life-cycle managed ioremap function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/rmobile-reset.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/power/reset/rmobile-reset.c b/drivers/power/reset/rmob= ile-reset.c index 5df9b41c68c79..29c17ed2d4de9 100644 --- a/drivers/power/reset/rmobile-reset.c +++ b/drivers/power/reset/rmobile-reset.c @@ -41,28 +41,23 @@ static int rmobile_reset_probe(struct platform_device *= pdev) { int error; =20 - sysc_base2 =3D of_iomap(pdev->dev.of_node, 1); - if (!sysc_base2) - return -ENODEV; + sysc_base2 =3D devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(sysc_base2)) + return PTR_ERR(sysc_base2); =20 error =3D register_restart_handler(&rmobile_reset_nb); if (error) { dev_err(&pdev->dev, "cannot register restart handler (err=3D%d)\n", error); - goto fail_unmap; + return error; } =20 return 0; - -fail_unmap: - iounmap(sysc_base2); - return error; } =20 static void rmobile_reset_remove(struct platform_device *pdev) { unregister_restart_handler(&rmobile_reset_nb); - iounmap(sysc_base2); } =20 static const struct of_device_id rmobile_reset_of_match[] =3D { --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2C7012880C; Thu, 1 Feb 2024 18:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; cv=none; b=jR+clYl4utEf15MzrClt+GT51w7VJDKaSfz61g+PH3RoFnR8F9wTPu1VDIdLing3FejzIyOEpocESR9wOfD1rWw/kzfPpzJfQszVxRdHf47q3hnjMsAx6/HpcQM0w+cd4+DCY9dI2Xl5G/5rVwQbroQdjJt3DBJ+WUI9lTsCATw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810496; c=relaxed/simple; bh=wOijXjJjHUtVV5dF2aD/1HsDkNeACwTKkwSZrl92nVA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; 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Thu, 1 Feb 2024 12:01:08 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 09/18] power: reset: rmobile-reset: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:53 -0600 Message-ID: <20240201180102.70395-10-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/rmobile-reset.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/drivers/power/reset/rmobile-reset.c b/drivers/power/reset/rmob= ile-reset.c index 29c17ed2d4de9..41e98ff33a3c3 100644 --- a/drivers/power/reset/rmobile-reset.c +++ b/drivers/power/reset/rmobile-reset.c @@ -19,12 +19,9 @@ /* Reset Control Register 2 */ #define RESCNT2_PRES 0x80000000 /* Soft power-on reset */ =20 -static void __iomem *sysc_base2; - -static int rmobile_reset_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int rmobile_reset_handler(struct sys_off_data *data) { - pr_debug("%s %lu\n", __func__, mode); + void __iomem *sysc_base2 =3D data->cb_data; =20 /* Let's assume we have acquired the HPB semaphore */ writel(RESCNT2_PRES, sysc_base2 + RESCNT2); @@ -32,20 +29,20 @@ static int rmobile_reset_handler(struct notifier_block = *this, return NOTIFY_DONE; } =20 -static struct notifier_block rmobile_reset_nb =3D { - .notifier_call =3D rmobile_reset_handler, - .priority =3D 192, -}; - static int rmobile_reset_probe(struct platform_device *pdev) { + void __iomem *sysc_base2; int error; =20 sysc_base2 =3D devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(sysc_base2)) return PTR_ERR(sysc_base2); =20 - error =3D register_restart_handler(&rmobile_reset_nb); + error =3D devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + rmobile_reset_handler, + sysc_base2); if (error) { dev_err(&pdev->dev, "cannot register restart handler (err=3D%d)\n", error); @@ -55,11 +52,6 @@ static int rmobile_reset_probe(struct platform_device *p= dev) return 0; } =20 -static void rmobile_reset_remove(struct platform_device *pdev) -{ - unregister_restart_handler(&rmobile_reset_nb); -} - static const struct of_device_id rmobile_reset_of_match[] =3D { { .compatible =3D "renesas,sysc-rmobile", }, { /* sentinel */ } @@ -68,7 +60,6 @@ MODULE_DEVICE_TABLE(of, rmobile_reset_of_match); =20 static struct platform_driver rmobile_reset_driver =3D { .probe =3D rmobile_reset_probe, - .remove_new =3D rmobile_reset_remove, .driver =3D { .name =3D "rmobile_reset", .of_match_table =3D rmobile_reset_of_match, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3E0984FB1; 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charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/mt6323-poweroff.c | 28 ++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/power/reset/mt6323-poweroff.c b/drivers/power/reset/mt= 6323-poweroff.c index 57a63c0ab7fb7..ca5d11b17ff03 100644 --- a/drivers/power/reset/mt6323-poweroff.c +++ b/drivers/power/reset/mt6323-poweroff.c @@ -14,6 +14,7 @@ #include #include #include +#include =20 struct mt6323_pwrc { struct device *dev; @@ -21,11 +22,9 @@ struct mt6323_pwrc { u32 base; }; =20 -static struct mt6323_pwrc *mt_pwrc; - -static void mt6323_do_pwroff(void) +static int mt6323_do_pwroff(struct sys_off_data *data) { - struct mt6323_pwrc *pwrc =3D mt_pwrc; + struct mt6323_pwrc *pwrc =3D data->cb_data; unsigned int val; int ret; =20 @@ -44,6 +43,8 @@ static void mt6323_do_pwroff(void) mdelay(1000); =20 WARN_ONCE(1, "Unable to power off system\n"); + + return NOTIFY_DONE; } =20 static int mt6323_pwrc_probe(struct platform_device *pdev) @@ -51,6 +52,7 @@ static int mt6323_pwrc_probe(struct platform_device *pdev) struct mt6397_chip *mt6397_chip =3D dev_get_drvdata(pdev->dev.parent); struct mt6323_pwrc *pwrc; struct resource *res; + int ret; =20 pwrc =3D devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL); if (!pwrc) @@ -63,19 +65,20 @@ static int mt6323_pwrc_probe(struct platform_device *pd= ev) pwrc->base =3D res->start; pwrc->regmap =3D mt6397_chip->regmap; pwrc->dev =3D &pdev->dev; - mt_pwrc =3D pwrc; =20 - pm_power_off =3D &mt6323_do_pwroff; + ret =3D devm_register_sys_off_handler(pwrc->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + mt6323_do_pwroff, + pwrc); + if (ret) { + dev_err(pwrc->dev, "failed to register power-off handler: %d\n", ret); + return ret; + } =20 return 0; } =20 -static void mt6323_pwrc_remove(struct platform_device *pdev) -{ - if (pm_power_off =3D=3D &mt6323_do_pwroff) - pm_power_off =3D NULL; -} - static const struct of_device_id mt6323_pwrc_dt_match[] =3D { { .compatible =3D "mediatek,mt6323-pwrc" }, {}, @@ -84,7 +87,6 @@ MODULE_DEVICE_TABLE(of, mt6323_pwrc_dt_match); =20 static struct platform_driver mt6323_pwrc_driver =3D { .probe =3D mt6323_pwrc_probe, - .remove_new =3D mt6323_pwrc_remove, .driver =3D { .name =3D "mt6323-pwrc", .of_match_table =3D mt6323_pwrc_dt_match, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2202F84047; 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Thu, 1 Feb 2024 12:01:11 -0600 Received: from DLEE110.ent.ti.com (157.170.170.21) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:10 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:10 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gp117221; Thu, 1 Feb 2024 12:01:09 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 11/18] power: reset: msm-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:00:55 -0600 Message-ID: <20240201180102.70395-12-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use this helper to register sys_off handler. Drivers should move away from setting pm_power_off directly as it only allows for one handler. The new way allows for trying multiple if the first one doesn't work. Signed-off-by: Andrew Davis --- drivers/power/reset/msm-poweroff.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-p= oweroff.c index d96d248a6e25b..bcf04491e7022 100644 --- a/drivers/power/reset/msm-poweroff.c +++ b/drivers/power/reset/msm-poweroff.c @@ -28,9 +28,11 @@ static struct notifier_block restart_nb =3D { .priority =3D 128, }; =20 -static void do_msm_poweroff(void) +static int do_msm_poweroff(struct sys_off_data *data) { deassert_pshold(&restart_nb, 0, NULL); + + return NOTIFY_DONE; } =20 static int msm_restart_probe(struct platform_device *pdev) @@ -41,7 +43,9 @@ static int msm_restart_probe(struct platform_device *pdev) =20 register_restart_handler(&restart_nb); =20 - pm_power_off =3D do_msm_poweroff; + devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, do_msm_poweroff, + msm_ps_hold); =20 return 0; } --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48A9F84FA4; Thu, 1 Feb 2024 18:01:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810495; cv=none; b=ByVvF3mYrFRPwEmyGV/qGN5YUOCTwchYelrMTLu8x1zBpKw0Rly1gKLiWnLzDMOxAlCeKxXw1UBkSQxW7vQNR0mWpXyJ8ZHRJl1UW9H/1Ty+S19O4iw0C006Hmi3EtqgKhQS1mPtAwSM2XvaAJTo1TPEI2Hx/Kssjdxt6T490bQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810495; c=relaxed/simple; bh=TcZggvWPAiMNrDjTaYr88pR3WYNyYJDkk6qpMPNTC3Y=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AF+NYesrpEPb8I5bK615YtX79syjqnRlEAoWCSwj/SRV7aY65f9KRY/RtcNcBe5sn7UC+ROKH2OoySV6u/Zv3JlygEYRiEBvr/DFPCSQc8o2qcWK4553avENiBlaiBq15UDmjNSKs9xJP78TMZlMfhxaj/2DciQEz8W0CFjkMS8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=LAT0O6ph; arc=none smtp.client-ip=198.47.23.249 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="LAT0O6ph" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 411I1Bdm127784; Thu, 1 Feb 2024 12:01:11 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706810471; bh=5a2BDxvry/mDEJhidMjtTRkucrmFZYMP54rfoZVMxFg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=LAT0O6phzzkUn0u9DiUYG23YLkVnG+TYgkm1qnbGo9sMFLwGt67eUqB8AlcsG1llS yVaoHeX+MzXx51esdmGSVer69TG9Dkc6nEIvp9WQDn8I9Ipua4LBephbsEfUNnpJKC f5WBxZGqByyxHtY6vjigb4NrNXXZt0YZwMX0cJG8= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 411I1Bll120465 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Feb 2024 12:01:11 -0600 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 1 Feb 2024 12:01:11 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:10 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gq117221; Thu, 1 Feb 2024 12:01:10 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 12/18] power: reset: msm-poweroff: Use devm_register_sys_off_handler(RESTART) Date: Thu, 1 Feb 2024 12:00:56 -0600 Message-ID: <20240201180102.70395-13-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis --- drivers/power/reset/msm-poweroff.c | 23 ++++++----------------- 1 file changed, 6 insertions(+), 17 deletions(-) diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-p= oweroff.c index bcf04491e7022..c5831c46f69e2 100644 --- a/drivers/power/reset/msm-poweroff.c +++ b/drivers/power/reset/msm-poweroff.c @@ -13,35 +13,24 @@ #include #include =20 -static void __iomem *msm_ps_hold; -static int deassert_pshold(struct notifier_block *nb, unsigned long action, - void *data) +static int do_msm_poweroff(struct sys_off_data *data) { + void __iomem *msm_ps_hold =3D data->cb_data; + writel(0, msm_ps_hold); mdelay(10000); =20 return NOTIFY_DONE; } =20 -static struct notifier_block restart_nb =3D { - .notifier_call =3D deassert_pshold, - .priority =3D 128, -}; - -static int do_msm_poweroff(struct sys_off_data *data) -{ - deassert_pshold(&restart_nb, 0, NULL); - - return NOTIFY_DONE; -} - static int msm_restart_probe(struct platform_device *pdev) { - msm_ps_hold =3D devm_platform_ioremap_resource(pdev, 0); + void __iomem *msm_ps_hold =3D devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(msm_ps_hold)) return PTR_ERR(msm_ps_hold); =20 - register_restart_handler(&restart_nb); + devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART, + 128, do_msm_poweroff, msm_ps_hold); =20 devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_DEFAULT, do_msm_poweroff, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E0B112B160; Thu, 1 Feb 2024 18:01:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810500; cv=none; b=HudZQ3zYJvZQT5cDwmoQ8KTX9ixI6MTh7zr9KiXasC00QHTO1reuhXv5vRwenMb7nD31V1pzmhynh4WCOTUVIA54i4Q7g81zZTReUnRKi3ux/0PvuK7phvp6Wk1CHZXx8adhFGrXCr04qZBUOjwkPavwpbgbhDIpKCrVXRkvW7s= ARC-Message-Signature: i=1; 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Thu, 1 Feb 2024 12:01:11 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gr117221; Thu, 1 Feb 2024 12:01:10 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 13/18] power: reset: regulator-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:00:57 -0600 Message-ID: <20240201180102.70395-14-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/regulator-poweroff.c | 36 +++++++++--------------- 1 file changed, 13 insertions(+), 23 deletions(-) diff --git a/drivers/power/reset/regulator-poweroff.c b/drivers/power/reset= /regulator-poweroff.c index 15160809c423a..fed4978e38580 100644 --- a/drivers/power/reset/regulator-poweroff.c +++ b/drivers/power/reset/regulator-poweroff.c @@ -13,18 +13,15 @@ #include #include #include +#include #include =20 #define TIMEOUT_MS 3000 =20 -/* - * Hold configuration here, cannot be more than one instance of the driver - * since pm_power_off itself is global. - */ -static struct regulator *cpu_regulator; - -static void regulator_poweroff_do_poweroff(void) +static int regulator_poweroff_do_poweroff(struct sys_off_data *data) { + struct regulator *cpu_regulator =3D data->cb_data; + if (cpu_regulator && regulator_is_enabled(cpu_regulator)) regulator_force_disable(cpu_regulator); =20 @@ -32,30 +29,24 @@ static void regulator_poweroff_do_poweroff(void) mdelay(TIMEOUT_MS); =20 WARN_ON(1); + + return NOTIFY_DONE; } =20 static int regulator_poweroff_probe(struct platform_device *pdev) { - /* If a pm_power_off function has already been added, leave it alone */ - if (pm_power_off !=3D NULL) { - dev_err(&pdev->dev, - "%s: pm_power_off function already registered\n", - __func__); - return -EBUSY; - } + struct regulator *cpu_regulator; =20 cpu_regulator =3D devm_regulator_get(&pdev->dev, "cpu"); if (IS_ERR(cpu_regulator)) return PTR_ERR(cpu_regulator); =20 - pm_power_off =3D ®ulator_poweroff_do_poweroff; - return 0; -} - -static void regulator_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off =3D=3D ®ulator_poweroff_do_poweroff) - pm_power_off =3D NULL; + /* Set this handler to low priority to not override an existing handler */ + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_LOW, + regulator_poweroff_do_poweroff, + cpu_regulator); } =20 static const struct of_device_id of_regulator_poweroff_match[] =3D { @@ -66,7 +57,6 @@ MODULE_DEVICE_TABLE(of, of_regulator_poweroff_match); =20 static struct platform_driver regulator_poweroff_driver =3D { .probe =3D regulator_poweroff_probe, - .remove_new =3D regulator_poweroff_remove, .driver =3D { .name =3D "poweroff-regulator", .of_match_table =3D of_regulator_poweroff_match, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4D0712E1ED; Thu, 1 Feb 2024 18:01:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810502; cv=none; b=qnnyfaE/QcqQqG7rFaPfUdBTLE+fdrlqZlX/cANwK+nO0+0ktmUrerVm3jGlOjE8DVq4rKv1EPfeGFINpNkBvx9lbIWJb9n404G5QbQjj/VmKx6QWlsxmCAeM35LZ1+ppTw78jqVgQkAQIze4A9Pyfz94adHUkCAZaKGNcR5xBc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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Thu, 1 Feb 2024 12:01:12 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gs117221; Thu, 1 Feb 2024 12:01:11 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 14/18] power: reset: as3722-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:00:58 -0600 Message-ID: <20240201180102.70395-15-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/as3722-poweroff.c | 30 ++++++++++----------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/as3722-poweroff.c b/drivers/power/reset/as= 3722-poweroff.c index ab3350ce2d621..bb26fa6fa67ca 100644 --- a/drivers/power/reset/as3722-poweroff.c +++ b/drivers/power/reset/as3722-poweroff.c @@ -11,6 +11,7 @@ #include #include #include +#include #include =20 struct as3722_poweroff { @@ -18,22 +19,18 @@ struct as3722_poweroff { struct as3722 *as3722; }; =20 -static struct as3722_poweroff *as3722_pm_poweroff; - -static void as3722_pm_power_off(void) +static int as3722_pm_power_off(struct sys_off_data *data) { + struct as3722_poweroff *as3722_pm_poweroff =3D data->cb_data; int ret; =20 - if (!as3722_pm_poweroff) { - pr_err("AS3722 poweroff is not initialised\n"); - return; - } - ret =3D as3722_update_bits(as3722_pm_poweroff->as3722, AS3722_RESET_CONTROL_REG, AS3722_POWER_OFF, AS3722_POWER_OFF); if (ret < 0) dev_err(as3722_pm_poweroff->dev, "RESET_CONTROL_REG update failed, %d\n", ret); + + return NOTIFY_DONE; } =20 static int as3722_poweroff_probe(struct platform_device *pdev) @@ -54,18 +51,14 @@ static int as3722_poweroff_probe(struct platform_device= *pdev) =20 as3722_poweroff->as3722 =3D dev_get_drvdata(pdev->dev.parent); as3722_poweroff->dev =3D &pdev->dev; - as3722_pm_poweroff =3D as3722_poweroff; - if (!pm_power_off) - pm_power_off =3D as3722_pm_power_off; =20 - return 0; -} + return devm_register_sys_off_handler(as3722_poweroff->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + as3722_pm_power_off, + as3722_poweroff); =20 -static void as3722_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off =3D=3D as3722_pm_power_off) - pm_power_off =3D NULL; - as3722_pm_poweroff =3D NULL; + return 0; } =20 static struct platform_driver as3722_poweroff_driver =3D { @@ -73,7 +66,6 @@ static struct platform_driver as3722_poweroff_driver =3D { .name =3D "as3722-power-off", }, .probe =3D as3722_poweroff_probe, - .remove_new =3D as3722_poweroff_remove, }; =20 module_platform_driver(as3722_poweroff_driver); 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charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis --- drivers/power/reset/gemini-poweroff.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/ge= mini-poweroff.c index d309b610142ce..06d6992dec892 100644 --- a/drivers/power/reset/gemini-poweroff.c +++ b/drivers/power/reset/gemini-poweroff.c @@ -70,12 +70,9 @@ static irqreturn_t gemini_powerbutton_interrupt(int irq,= void *data) return IRQ_HANDLED; } =20 -/* This callback needs this static local as it has void as argument */ -static struct gemini_powercon *gpw_poweroff; - -static void gemini_poweroff(void) +static int gemini_poweroff(struct sys_off_data *data) { - struct gemini_powercon *gpw =3D gpw_poweroff; + struct gemini_powercon *gpw =3D data->cb_data; u32 val; =20 dev_crit(gpw->dev, "Gemini power off\n"); @@ -86,6 +83,8 @@ static void gemini_poweroff(void) val &=3D ~GEMINI_CTRL_ENABLE; val |=3D GEMINI_CTRL_SHUTDOWN; writel(val, gpw->base + GEMINI_PWC_CTRLREG); + + return NOTIFY_DONE; } =20 static int gemini_poweroff_probe(struct platform_device *pdev) @@ -148,8 +147,11 @@ static int gemini_poweroff_probe(struct platform_devic= e *pdev) if (ret) return ret; =20 - pm_power_off =3D gemini_poweroff; - gpw_poweroff =3D gpw; + ret =3D devm_register_sys_off_handler(dev, SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + gemini_poweroff, gpw); + if (ret) + return ret; =20 dev_info(dev, "Gemini poweroff driver registered\n"); =20 --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F3AB485281; Thu, 1 Feb 2024 18:01:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810498; cv=none; b=F8fkZWklH+tiPgS4NVjtyEoIglHoj+7VwEB3YX2aQ66JFsmfPluiJr7oxTzEmA36K1jPmO1Jen4MdPsinMKLOW2jWQ/5nL3gFiv3xUP2XGqxONKfhpoKu7ZuRddYVnP8yRALu+hbvbAVQFMCAnOyP4Y3YFyHT8xSdJbtlDN+uXQ= ARC-Message-Signature: i=1; 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Thu, 1 Feb 2024 12:01:13 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gu117221; Thu, 1 Feb 2024 12:01:12 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 16/18] power: reset: restart-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:01:00 -0600 Message-ID: <20240201180102.70395-17-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/restart-poweroff.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/drivers/power/reset/restart-poweroff.c b/drivers/power/reset/r= estart-poweroff.c index f4d6004793d3a..fcd588f9ae9d3 100644 --- a/drivers/power/reset/restart-poweroff.c +++ b/drivers/power/reset/restart-poweroff.c @@ -14,29 +14,21 @@ #include #include =20 -static void restart_poweroff_do_poweroff(void) +static int restart_poweroff_do_poweroff(struct sys_off_data *data) { reboot_mode =3D REBOOT_HARD; machine_restart(NULL); + return NOTIFY_DONE; } =20 static int restart_poweroff_probe(struct platform_device *pdev) { - /* If a pm_power_off function has already been added, leave it alone */ - if (pm_power_off !=3D NULL) { - dev_err(&pdev->dev, - "pm_power_off function already registered"); - return -EBUSY; - } - - pm_power_off =3D &restart_poweroff_do_poweroff; - return 0; -} - -static void restart_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off =3D=3D &restart_poweroff_do_poweroff) - pm_power_off =3D NULL; + /* Set this handler to low priority to not override an existing handler */ + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_LOW, + restart_poweroff_do_poweroff, + NULL); } =20 static const struct of_device_id of_restart_poweroff_match[] =3D { @@ -47,7 +39,6 @@ MODULE_DEVICE_TABLE(of, of_restart_poweroff_match); =20 static struct platform_driver restart_poweroff_driver =3D { .probe =3D restart_poweroff_probe, - .remove_new =3D restart_poweroff_remove, .driver =3D { .name =3D "poweroff-restart", .of_match_table =3D of_restart_poweroff_match, --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0510127B60; Thu, 1 Feb 2024 18:01:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; 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Thu, 1 Feb 2024 12:01:14 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 1 Feb 2024 12:01:13 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gv117221; Thu, 1 Feb 2024 12:01:13 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 17/18] power: reset: syscon-poweroff: Move device data into a struct Date: Thu, 1 Feb 2024 12:01:01 -0600 Message-ID: <20240201180102.70395-18-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Currently all these device data elements are top level global variables. Move these into a struct. This will be used in the next patch when the global variable usage is removed. Doing this in two steps makes the patches easier to read. Signed-off-by: Andrew Davis --- drivers/power/reset/syscon-poweroff.c | 36 +++++++++++++++------------ 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/sy= scon-poweroff.c index 1b2ce7734260c..4899a019256e8 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -15,15 +15,19 @@ #include #include =20 -static struct regmap *map; -static u32 offset; -static u32 value; -static u32 mask; +struct syscon_poweroff_data { + struct regmap *map; + u32 offset; + u32 value; + u32 mask; +}; + +static struct syscon_poweroff_data *data; =20 static void syscon_poweroff(void) { /* Issue the poweroff */ - regmap_update_bits(map, offset, mask, value); + regmap_update_bits(data->map, data->offset, data->mask, data->value); =20 mdelay(1000); =20 @@ -35,22 +39,22 @@ static int syscon_poweroff_probe(struct platform_device= *pdev) struct device *dev =3D &pdev->dev; int mask_err, value_err; =20 - map =3D syscon_regmap_lookup_by_phandle(dev->of_node, "regmap"); - if (IS_ERR(map)) { - map =3D syscon_node_to_regmap(dev->parent->of_node); - if (IS_ERR(map)) { + data->map =3D syscon_regmap_lookup_by_phandle(dev->of_node, "regmap"); + if (IS_ERR(data->map)) { + data->map =3D syscon_node_to_regmap(dev->parent->of_node); + if (IS_ERR(data->map)) { dev_err(dev, "unable to get syscon"); - return PTR_ERR(map); + return PTR_ERR(data->map); } } =20 - if (of_property_read_u32(dev->of_node, "offset", &offset)) { + if (of_property_read_u32(dev->of_node, "offset", &data->offset)) { dev_err(dev, "unable to read 'offset'"); return -EINVAL; } =20 - value_err =3D of_property_read_u32(dev->of_node, "value", &value); - mask_err =3D of_property_read_u32(dev->of_node, "mask", &mask); + value_err =3D of_property_read_u32(dev->of_node, "value", &data->value); + mask_err =3D of_property_read_u32(dev->of_node, "mask", &data->mask); if (value_err && mask_err) { dev_err(dev, "unable to read 'value' and 'mask'"); return -EINVAL; @@ -58,11 +62,11 @@ static int syscon_poweroff_probe(struct platform_device= *pdev) =20 if (value_err) { /* support old binding */ - value =3D mask; - mask =3D 0xFFFFFFFF; + data->value =3D data->mask; + data->mask =3D 0xFFFFFFFF; } else if (mask_err) { /* support value without mask*/ - mask =3D 0xFFFFFFFF; + data->mask =3D 0xFFFFFFFF; } =20 if (pm_power_off) { --=20 2.39.2 From nobody Thu Nov 14 04:45:04 2024 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C77A112B159; Thu, 1 Feb 2024 18:01:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810506; cv=none; b=SULwPvAo6ZC8A8cqrHKhYGBtg+xYIv7hkVS20UJZPoNpDW3vVta1FsSmHIBimuTuuC79+ScjxBePVSMhLeNn0qWwjNQezqpJZ0O9VifItLAgEMP+5eoIwSL3WI24xTad1RxlMyERaM/o/9YYd6h+d9LlQoRHetSDOqdhrzJGHGM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810506; c=relaxed/simple; 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Thu, 1 Feb 2024 12:01:14 -0600 Received: from lelvsmtp6.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 411I12Gw117221; Thu, 1 Feb 2024 12:01:13 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH 18/18] power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:01:02 -0600 Message-ID: <20240201180102.70395-19-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240201180102.70395-1-afd@ti.com> References: <20240201180102.70395-1-afd@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/syscon-poweroff.c | 34 ++++++++++++--------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/sy= scon-poweroff.c index 4899a019256e8..203936f4c544f 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -13,6 +13,7 @@ #include #include #include +#include #include =20 struct syscon_poweroff_data { @@ -22,23 +23,30 @@ struct syscon_poweroff_data { u32 mask; }; =20 -static struct syscon_poweroff_data *data; - -static void syscon_poweroff(void) +static int syscon_poweroff(struct sys_off_data *off_data) { + struct syscon_poweroff_data *data =3D off_data->cb_data; + /* Issue the poweroff */ regmap_update_bits(data->map, data->offset, data->mask, data->value); =20 mdelay(1000); =20 pr_emerg("Unable to poweroff system\n"); + + return NOTIFY_DONE; } =20 static int syscon_poweroff_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; + struct syscon_poweroff_data *data; int mask_err, value_err; =20 + data =3D devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + data->map =3D syscon_regmap_lookup_by_phandle(dev->of_node, "regmap"); if (IS_ERR(data->map)) { data->map =3D syscon_node_to_regmap(dev->parent->of_node); @@ -69,21 +77,10 @@ static int syscon_poweroff_probe(struct platform_device= *pdev) data->mask =3D 0xFFFFFFFF; } =20 - if (pm_power_off) { - dev_err(dev, "pm_power_off already claimed for %ps", - pm_power_off); - return -EBUSY; - } - - pm_power_off =3D syscon_poweroff; - - return 0; -} - -static void syscon_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off =3D=3D syscon_poweroff) - pm_power_off =3D NULL; + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + syscon_poweroff, data); } =20 static const struct of_device_id syscon_poweroff_of_match[] =3D { @@ -93,7 +90,6 @@ static const struct of_device_id syscon_poweroff_of_match= [] =3D { =20 static struct platform_driver syscon_poweroff_driver =3D { .probe =3D syscon_poweroff_probe, - .remove_new =3D syscon_poweroff_remove, .driver =3D { .name =3D "syscon-poweroff", .of_match_table =3D syscon_poweroff_of_match, --=20 2.39.2