From nobody Thu Nov 14 04:38:37 2024 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (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 0F5913E474; Mon, 12 Feb 2024 16:28:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755331; cv=none; b=JzipcdtRnvINHCh6167uOlow1Y2EGrLsCbnf7AT2WRovbLT1CuYv7CTca84QB9resmlGwsLsRMlYwJU7JHnQcue1QHHwwoQaVdZGIVIzURRwinKas5iRzSFPxPD2YoYr7/q5cGhHQmYswcTWupQN9S/favp1kr9msMYuRMe/ZqA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755331; 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=cK6y4q6yulMjuykqmxyuxlrBxeZFFJXrIsBZJEJm9MLAOhRVinETKvq4aOzAh7gA55q6P+7zf2gC90jAQdjYcxETDvnpaBRtZTpNLuDg3ToGqY9nOyUYcVF7DBnI8hq/kRdCMSN0lhkujcXx8O7xP2VDPN48LL+O/Pf3atTW+oE= 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=NigIJQCP; arc=none smtp.client-ip=198.47.19.142 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="NigIJQCP" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSY9n080174; Mon, 12 Feb 2024 10:28:34 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1707755314; bh=eDTJGp1LNK+YD1bJfvgjkV/rIr2yWhv+8KTb7j41Dpg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=NigIJQCP0PJXxoPX/D0CJJBkyc6Ign+K2fxu+Pg/Ua3l6FrsplqKGW0fkvCdS6lpb SVxYwRWS20ulLDCENqizre0LaHd6uHZac5kBCCxQ4JraEiqt84K/sSkFmrnDUmZRJ5 sms8Nb0TTyQjvNjg4iGHJuEayQVM/x8BTYEXvONw= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 41CGSYar008653 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Feb 2024 10:28:34 -0600 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 12 Feb 2024 10:28:33 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE100.ent.ti.com (157.170.170.30) 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; Mon, 12 Feb 2024 10:28:33 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWQv090688; Mon, 12 Feb 2024 10:28:33 -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 v4 01/19] power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(RESTART) Date: Mon, 12 Feb 2024 10:28:13 -0600 Message-ID: <20240212162831.67838-2-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 Reviewed-by: Cristian Ciocaltea --- 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 04:38:37 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 825C53D38D; 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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 Reviewed-by: Cristian Ciocaltea --- 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 04:38:37 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 46B9C3C699; Mon, 12 Feb 2024 16:28:46 +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=1707755327; cv=none; b=QfBOL838F4pwjS2ibBb+MkMpMkGBKqFCCdKU56V/pJE4IAm6qXps3kNNF3dsdHf+zxPK9Da7/XHuZlxrbtMM2MXhRL2UONZqz5Kto4HXmUXPiMxvPOmWiGMwOmwjV/Vw2sXJhMXSVctCW/nt6rn9E8RxD7zxZ6FDNSXFb5voaVk= ARC-Message-Signature: i=1; a=rsa-sha256; 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Mon, 12 Feb 2024 10:28:35 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWQx090688; Mon, 12 Feb 2024 10:28:34 -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 v4 03/19] power: reset: xgene-reboot: Use devm_platform_ioremap_resource() helper Date: Mon, 12 Feb 2024 10:28:15 -0600 Message-ID: <20240212162831.67838-4-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 ioremap function to simplify probe and exit paths. While here add __iomem to the returned pointer to fix a sparse warning. Signed-off-by: Andrew Davis --- drivers/power/reset/xgene-reboot.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene= -reboot.c index c2e5a99940d37..6b545a83d8889 100644 --- a/drivers/power/reset/xgene-reboot.c +++ b/drivers/power/reset/xgene-reboot.c @@ -22,7 +22,7 @@ =20 struct xgene_reboot_context { struct device *dev; - void *csr; + void __iomem *csr; u32 mask; struct notifier_block restart_handler; }; @@ -54,7 +54,7 @@ static int xgene_reboot_probe(struct platform_device *pde= v) if (!ctx) return -ENOMEM; =20 - ctx->csr =3D of_iomap(dev->of_node, 0); + ctx->csr =3D devm_platform_ioremap_resource(pdev, 0); if (!ctx->csr) { dev_err(dev, "can not map resource\n"); return -ENODEV; @@ -67,10 +67,8 @@ static int xgene_reboot_probe(struct platform_device *pd= ev) ctx->restart_handler.notifier_call =3D xgene_restart_handler; ctx->restart_handler.priority =3D 128; err =3D register_restart_handler(&ctx->restart_handler); - if (err) { - iounmap(ctx->csr); + if (err) dev_err(dev, "cannot register restart handler (err=3D%d)\n", err); - } =20 return err; } --=20 2.39.2 From nobody Thu Nov 14 04:38:37 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 B86793D3A1; Mon, 12 Feb 2024 16:28:47 +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=1707755329; cv=none; b=aL5sR7O+SVGjIXBTIiNDYgOa/yU0IW7q86y8+2XuZqQw/cnnhK+DpfeFLXSYs9XBVML7TUb/6XhjbZEqHGt8PVuC2GkFxaawpc0XwJJ91dx+jC7rdfdBNsqPK+iMMvmIRZuS6WctvMDIt09oQTiP5zGpWUj/U/5caaM4QaSRHZY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755329; c=relaxed/simple; bh=F6j/rd2uqE1cUyZDghMq6eHqquIs5sdJYRKTy0Bo8is=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; 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Mon, 12 Feb 2024 10:28:35 -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 v4 04/19] power: reset: xgene-reboot: Use devm_register_sys_off_handler(RESTART) Date: Mon, 12 Feb 2024 10:28:16 -0600 Message-ID: <20240212162831.67838-5-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 6b545a83d8889..867162dfe7eae 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 __iomem *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; 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Mon, 12 Feb 2024 10:28:36 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWR1090688; Mon, 12 Feb 2024 10:28:35 -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 v4 05/19] power: reset: tps65086-restart: Use devm_register_sys_off_handler(RESTART) Date: Mon, 12 Feb 2024 10:28:17 -0600 Message-ID: <20240212162831.67838-6-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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/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 04:38:37 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 2B3F73D547; Mon, 12 Feb 2024 16:28:47 +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=1707755329; cv=none; b=X/ko19/bWOUtp6IfG2uZTiRatoCD0BJNdyVEdSnr/bYg0RwWUTwbWap+Bpp0Gv/71qHcaZYn+t/tBDSSli1ttfz2WZELr0Mg1vvXijMbNAI6fd1uFetlSNAUNJnq0jcGqIzSdxQbTPh6jLUETMhmCdHqBtdl764dMlBFcdwLbks= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755329; c=relaxed/simple; bh=cM1cFjnSzQs76i3u0egboaHOZ+8JvQ6u6lgJc80Opuw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AavhmC3rqduI5O6MeyNLiubp7JbAccjqJBiTcpXkZnSGVBcCX21hTMg8TGbLTwMko5NboCrHl5oonXiQbJfuJquT3PT5uxRVHgQkzyqmO2vs5xi0BCAkaA4BJX1bSIAImrku6PkAau9bB1B8x8Y30CmJBRNbPsr18eEEvXSiNb0= 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=KhuSzMZZ; 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="KhuSzMZZ" Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSbjh004152; Mon, 12 Feb 2024 10:28:37 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1707755317; bh=awh4L/FvuKTUk4LCovxuQcQcm/YmAlMhgCuKLpIU3pA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=KhuSzMZZYFT9Ke/54Lqtd9TYN3hzuoQkiUVlJ2lrixh98IkZwXcgQvD8PZ+sqkVwv XcyRVSoiFslc7QvGR/xbaGtbD+AzPY4tk3fqkoFnijfXcZ1Wrf+MUI4Ut3P3lpee2N lBq15gp2HugbTofud/HgeBujqU7ml9dr56lCv91o= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 41CGSb6v024867 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Feb 2024 10:28:37 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) 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; Mon, 12 Feb 2024 10:28:36 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) 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; Mon, 12 Feb 2024 10:28:36 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWR2090688; Mon, 12 Feb 2024 10:28:36 -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 v4 06/19] power: reset: tps65086-restart: Remove unneeded device data struct Date: Mon, 12 Feb 2024 10:28:18 -0600 Message-ID: <20240212162831.67838-7-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 04:38:37 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 9DEEF3F8F5; 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charset="utf-8" Use device life-cycle managed register function to simplify probe. Signed-off-by: Andrew Davis Reviewed-by: Florian Fainelli --- drivers/power/reset/brcm-kona-reset.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/power/reset/brcm-kona-reset.c b/drivers/power/reset/br= cm-kona-reset.c index d05728b1db097..ee3f1bb976530 100644 --- a/drivers/power/reset/brcm-kona-reset.c +++ b/drivers/power/reset/brcm-kona-reset.c @@ -15,8 +15,7 @@ =20 static void __iomem *kona_reset_base; =20 -static int kona_reset_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int kona_reset_handler(struct sys_off_data *data) { /* * A soft reset is triggered by writing a 0 to bit 0 of the soft reset @@ -31,18 +30,14 @@ 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) { 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, NULL); } =20 static const struct of_device_id of_match[] =3D { --=20 2.39.2 From nobody Thu Nov 14 04:38:37 2024 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (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 0F5BF3E476; Mon, 12 Feb 2024 16:28:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755331; cv=none; b=n2eftKhH3TqczU9UbSjionRHaIlIimeQRvtRBvSUBa7M/zO+Cm0eXwm23GkWQGpEppnNLZeB7Nqy8uSNI/oNKj9zjf/Kx7IALcq+HuPhxctsyhl7wnMNWcQho6ZjQCPLxpb6lBtS6NFDqwQ+DFlSR8ofWQBVr3zObPw9I56l2jA= ARC-Message-Signature: i=1; a=rsa-sha256; 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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/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 04:38:37 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 8246E3D566; Mon, 12 Feb 2024 16:28:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 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 04:38:37 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 40B5F3F9F0; Mon, 12 Feb 2024 16:28:51 +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=1707755334; cv=none; b=AbspU/3uWc4Owd7qePvDuHatwT+EFVOO5kTqtzCDTSqpTmN39HkJW3VY+jjX3VHlMEtYGY76mh5ggfyAx2wn2SLEuL/Vs9lJ3WD1uk03uWa0aRJMCwfHpzWjMKkxVnBLM+1hBITdHh07AByKIBix4vhV1eOSvnCACS154ZbZhEg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755334; c=relaxed/simple; bh=BDfN2nf0FtNoFJUROgfPRBi9IPv21+42h664up+VGOs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; 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Mon, 12 Feb 2024 10:28:38 -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 v4 10/19] power: reset: rmobile-reset: Use devm_register_sys_off_handler(RESTART) Date: Mon, 12 Feb 2024 10:28:22 -0600 Message-ID: <20240212162831.67838-11-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/power/reset/rmobile-reset.c b/drivers/power/reset/rmob= ile-reset.c index 29c17ed2d4de9..80265608c18e0 100644 --- a/drivers/power/reset/rmobile-reset.c +++ b/drivers/power/reset/rmobile-reset.c @@ -21,22 +21,14 @@ =20 static void __iomem *sysc_base2; =20 -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); - /* Let's assume we have acquired the HPB semaphore */ writel(RESCNT2_PRES, sysc_base2 + RESCNT2); =20 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) { int error; @@ -45,7 +37,11 @@ static int rmobile_reset_probe(struct platform_device *p= dev) 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, + NULL); if (error) { dev_err(&pdev->dev, "cannot register restart handler (err=3D%d)\n", error); @@ -55,11 +51,6 @@ 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 +59,6 @@ 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 04:38:37 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 E72D2487B3; 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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 Reviewed-by: AngeloGioacchino Del Regno --- drivers/power/reset/mt6323-poweroff.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/power/reset/mt6323-poweroff.c b/drivers/power/reset/mt= 6323-poweroff.c index 57a63c0ab7fb7..c663347547f97 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 +65,18 @@ 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) + return dev_err_probe(pwrc->dev, ret, "failed to register power-off handl= er\n"); =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 +85,6 @@ 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 04:38:37 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 4F9E33F8D1; 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Mon, 12 Feb 2024 10:28:40 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 12 Feb 2024 10:28:40 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE107.ent.ti.com (157.170.170.37) 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; Mon, 12 Feb 2024 10:28:40 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWR8090688; Mon, 12 Feb 2024 10:28:39 -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 v4 12/19] power: reset: msm-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 12 Feb 2024 10:28:24 -0600 Message-ID: <20240212162831.67838-13-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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..3bf0ea06c4853 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, + NULL); =20 return 0; } --=20 2.39.2 From nobody Thu Nov 14 04:38:37 2024 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (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 9B219405FB; Mon, 12 Feb 2024 16:28:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755335; cv=none; b=CvXp4EHmHhNI9dJLvpE+NNHh48jkcRyoz8bVUO7zoZPTzLP7gLF2gMrwZgeKl8iJgI3Vl18XVhnXjJcMfnY0z/59aEpi56r4TRgpjF0E3qKCjU+FhsO061rRtkgFxhdVJ09iwNWRh2A0YR8ucdmA3r4upSk3dApdzQwrB9pt/ag= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755335; c=relaxed/simple; bh=BuseNTmNQHKa6n9amDOBClsdZ0D9LZdzj/CNbNLRzZo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Q0U/0Ruudu1i5MPixJs6T7g0YP+/pYJbQGfls7BQ9wN8QtSG8kzptXOfdXy66g+7OXGfOqda8EIveK2HfT1Ji+OuKjpZZPACcUpkaUr8pCVxu64l7xpd3hNJfIQQc7DZznIyi0aVtyMaK6o7QdjhtCFC1RfDwT3DQnXsA1lkxBg= 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=Am0deps7; arc=none smtp.client-ip=198.47.19.142 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="Am0deps7" Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSfIH080188; Mon, 12 Feb 2024 10:28:41 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1707755321; bh=5yT8z6101FegqnCWOdNRzgX95I/RK7WLUUhdSWlfyIs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Am0deps7rurZ3m5+7WIRYEImqzpVhDUoJtS4qJdjbom+FBqGon9vKaG5loMrRQPUD /ONxtxIPmcCIkon+2rjSHfDetSxan/bXJvaI9IMYM46oaGmnlTNLqGt3rg8M9+j/UX 5g4xHMLYzqC+xPoZqCdBaU+tpjBEnXjyMLNKaelQ= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 41CGSfGc024907 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Feb 2024 10:28:41 -0600 Received: from DLEE102.ent.ti.com (157.170.170.32) 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; Mon, 12 Feb 2024 10:28:41 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE102.ent.ti.com (157.170.170.32) 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; Mon, 12 Feb 2024 10:28:41 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWR9090688; Mon, 12 Feb 2024 10:28:40 -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 v4 13/19] power: reset: msm-poweroff: Use devm_register_sys_off_handler(RESTART) Date: Mon, 12 Feb 2024 10:28:25 -0600 Message-ID: <20240212162831.67838-14-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-p= oweroff.c index 3bf0ea06c4853..c7eb6dc8e90ae 100644 --- a/drivers/power/reset/msm-poweroff.c +++ b/drivers/power/reset/msm-poweroff.c @@ -14,23 +14,11 @@ #include =20 static void __iomem *msm_ps_hold; -static int deassert_pshold(struct notifier_block *nb, unsigned long action, - void *data) -{ - writel(0, msm_ps_hold); - mdelay(10000); - - return NOTIFY_DONE; -} - -static struct notifier_block restart_nb =3D { - .notifier_call =3D deassert_pshold, - .priority =3D 128, -}; =20 static int do_msm_poweroff(struct sys_off_data *data) { - deassert_pshold(&restart_nb, 0, NULL); + writel(0, msm_ps_hold); + mdelay(10000); =20 return NOTIFY_DONE; } @@ -41,7 +29,8 @@ static int msm_restart_probe(struct platform_device *pdev) 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, NULL); =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 04:38:37 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 0578C3F9DD; Mon, 12 Feb 2024 16:28:51 +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=1707755333; cv=none; b=gNGYccmxXTQOFUOeJTjFqEwWyv7R/xG5BF2E/1UYXBR7QYyOlEIIPcI3P0LAEDghNJFNDYQlDsQxF45KDSXx/t/o5YiGmFB2+1MpUtrO9t+I352+qgpQfHu7XHhFtT/1SxEjwGDp3NQ5dohtCwST8n/34avKjWPwpv8MP9LJiR4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755333; c=relaxed/simple; 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Mon, 12 Feb 2024 10:28:41 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWRA090688; Mon, 12 Feb 2024 10:28:41 -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 v4 14/19] power: reset: regulator-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 12 Feb 2024 10:28:26 -0600 Message-ID: <20240212162831.67838-15-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 04:38:37 2024 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (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 40BE74177B; Mon, 12 Feb 2024 16:28:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707755336; cv=none; b=dcEmOH26+4UUZFLBo8LZQILZ9I7GIp7GpU1UiB0QIEB9bKBiF99X5qEu9xQvbZPYHngSks5PqBOCfwWGqjanyA3P0v8Ui5TobaJ6PsPOgpYWApEhyOSOa1DbS0whNh49SmnQ3L2RGLYnw0S8wKh3tEHyP8M+/Awf9N/w6MInaaw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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Mon, 12 Feb 2024 10:28:42 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWRB090688; Mon, 12 Feb 2024 10:28:41 -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 v4 15/19] power: reset: as3722-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 12 Feb 2024 10:28:27 -0600 Message-ID: <20240212162831.67838-16-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 04:38:37 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 7A11845979; Mon, 12 Feb 2024 16:28:54 +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=1707755336; cv=none; b=mercUKsx73G95rIYFT3OU4eMjFIEs4x49cKA+azXjEmM64zqX6iR/nCxpRm8RJ+KlSxCKjs0K3x+LaA5mVKilnRp0XvVjUmPhdVge1WWouLMD3xaCfKfapUdHxSO2E/y7outFRtdsNmlDdvLDG5NMA/+PkS/JM4JUkKBYa95EXc= ARC-Message-Signature: i=1; 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Mon, 12 Feb 2024 10:28:43 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWRD090688; Mon, 12 Feb 2024 10:28:43 -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 v4 17/19] power: reset: restart-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 12 Feb 2024 10:28:29 -0600 Message-ID: <20240212162831.67838-18-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 04:38:37 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 D0D7847A5D; Mon, 12 Feb 2024 16:28:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; 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Mon, 12 Feb 2024 10:28:44 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) 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; Mon, 12 Feb 2024 10:28:44 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWRE090688; Mon, 12 Feb 2024 10:28:43 -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 v4 18/19] power: reset: syscon-poweroff: Move device data into a struct Date: Mon, 12 Feb 2024 10:28:30 -0600 Message-ID: <20240212162831.67838-19-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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 Reviewed-by: AngeloGioacchino Del Regno --- drivers/power/reset/syscon-poweroff.c | 40 ++++++++++++++++----------- 1 file changed, 24 insertions(+), 16 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/sy= scon-poweroff.c index 1b2ce7734260c..19c8da997b4c8 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 +39,26 @@ 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 =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); + 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 +66,11 @@ 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 04:38:37 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 AFCEC482D4; Mon, 12 Feb 2024 16:28:56 +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=1707755338; cv=none; b=WytZ14pykWY5ZSE5343BMZKF6VopuUb/Xmr4brQhxbjcvpzYPFBGS8jHGE5eTJ+Ko1iHszijEJV6h5M3pc07IuLVZCAgJSrzzaY1IKTLpkjXc10gntxin+NSUiCw5gRNUZvMwCsFaiUud/KqesxF6IUpJytrVyzFXQ8T9EWCI2M= ARC-Message-Signature: i=1; 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Mon, 12 Feb 2024 10:28:44 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41CGSWRF090688; Mon, 12 Feb 2024 10:28:44 -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 v4 19/19] power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 12 Feb 2024 10:28:31 -0600 Message-ID: <20240212162831.67838-20-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240212162831.67838-1-afd@ti.com> References: <20240212162831.67838-1-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. This also makes our data struct per-device and not global, which allows for more than one instance of this device. Signed-off-by: Andrew Davis Reviewed-by: AngeloGioacchino Del Regno --- drivers/power/reset/syscon-poweroff.c | 30 ++++++++++----------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/sy= scon-poweroff.c index 19c8da997b4c8..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 { @@ -22,21 +23,24 @@ 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); @@ -73,21 +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 { @@ -97,7 +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