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[2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id a13-20020a056512200d00b00494747ba5f7sm2210665lfb.272.2022.10.21.06.18.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:07 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:01 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org Subject: [PATCH v4 1/4] gpu: drm: meson: Use devm_regulator_*get_enable*() Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="I73xNqd38oT7/msC" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --I73xNqd38oT7/msC Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Simplify using the devm_regulator_get_enable_optional(). Also drop the seemingly unused struct member 'hdmi_supply'. Signed-off-by: Matti Vaittinen Reviewed-by: Neil Armstrong --- v3 =3D> v4: - split meson part to own patch RFCv1 =3D> v2: - Change also sii902x to use devm_regulator_bulk_get_enable() Please note - this is only compile-tested due to the lack of HW. Careful review and testing is _highly_ appreciated. --- drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++-------------------- 1 file changed, 3 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/= meson_dw_hdmi.c index 5cd2b2ebbbd3..7642f740272b 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -140,7 +140,6 @@ struct meson_dw_hdmi { struct reset_control *hdmitx_apb; struct reset_control *hdmitx_ctrl; struct reset_control *hdmitx_phy; - struct regulator *hdmi_supply; u32 irq_stat; struct dw_hdmi *hdmi; struct drm_bridge *bridge; @@ -665,11 +664,6 @@ static void meson_dw_hdmi_init(struct meson_dw_hdmi *m= eson_dw_hdmi) =20 } =20 -static void meson_disable_regulator(void *data) -{ - regulator_disable(data); -} - static void meson_disable_clk(void *data) { clk_disable_unprepare(data); @@ -723,20 +717,9 @@ static int meson_dw_hdmi_bind(struct device *dev, stru= ct device *master, meson_dw_hdmi->data =3D match; dw_plat_data =3D &meson_dw_hdmi->dw_plat_data; =20 - meson_dw_hdmi->hdmi_supply =3D devm_regulator_get_optional(dev, "hdmi"); - if (IS_ERR(meson_dw_hdmi->hdmi_supply)) { - if (PTR_ERR(meson_dw_hdmi->hdmi_supply) =3D=3D -EPROBE_DEFER) - return -EPROBE_DEFER; - meson_dw_hdmi->hdmi_supply =3D NULL; - } else { - ret =3D regulator_enable(meson_dw_hdmi->hdmi_supply); - if (ret) - return ret; - ret =3D devm_add_action_or_reset(dev, meson_disable_regulator, - meson_dw_hdmi->hdmi_supply); - if (ret) - return ret; - } + ret =3D devm_regulator_get_enable_optional(dev, "hdmi"); + if (ret !=3D -ENODEV) + return ret; =20 meson_dw_hdmi->hdmitx_apb =3D devm_reset_control_get_exclusive(dev, "hdmitx_apb"); --=20 2.37.3 --=20 Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =3D]=20 --I73xNqd38oT7/msC Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmNSnAkACgkQeFA3/03a ocVRkQgAmAp5C+Mg1nONvKcJHcITidnpA5Ktq6dm9OB4A11/VOy5Y8vZKLKVXldv ejqrFYrMUa//jhZlfwE1dFQbnKn+XXFd06QurEX/mGMBncGU6+i97cXjCF6EYPEH H75CW6UyXgbz0rJ2tZ/OZCcwYDG9eqHbpgaFY1EGeznu7QkGwV+M4pREhesDo+nm mXIsmGEztzGu2TMM+TI8mrWodczDnF66iTQRHDQy0t12jnrrCB3uemE4wjpyZCJP ftoZuJbu0T4lhagXnftz1H7ymW7/qFeCxr85CCCHndF19IUBs3YuWXaRQ1YoaKkJ olB+Ubu0zJfGizSC/oJqDwtKUthyeA== =ECH6 -----END PGP SIGNATURE----- --I73xNqd38oT7/msC-- From nobody Thu Apr 9 10:52:19 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDC71C4332F for ; Fri, 21 Oct 2022 13:19:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229460AbiJUNTV (ORCPT ); Fri, 21 Oct 2022 09:19:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230465AbiJUNSr (ORCPT ); Fri, 21 Oct 2022 09:18:47 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FD62270237; Fri, 21 Oct 2022 06:18:31 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id bu25so5097545lfb.3; Fri, 21 Oct 2022 06:18:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=qI3A82j8OlKFN8/s3EGSbVRexJ10lYyCFaVb3RuN9Is=; b=EddB7/l5OXNdqlNUaGLu6aYnT5u8eGmGUOD2LYBqpyC6BKfPYZSYjogyqbQOlfXZZy LHTBXr9JUt6OuGdzhxu2SG3s5TacFmpQaIT2wnAsCqshT3K20Nz1wmhTvB9GJS4sniFw MxRcFTStp17cAXYvqFLjHmGbs8xL3sMUNhmIvnhfkDhZFVzcM5glxRRHXkgtIBJ6oAh8 UBDaGKp5DR2lqAnNbXK8Pcvnj2UP9k+BXMrycOGj30rNUmyjnz4tESR3q16OAi/4KVe4 B12c7lBrRPym7hKeHuI0FRXMOqSt7vyf2OGG5bbr0//KRXUEPOrAH9V2OeDs+00yCoX+ lJIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=qI3A82j8OlKFN8/s3EGSbVRexJ10lYyCFaVb3RuN9Is=; b=NLghEedr8qJ5jBB/3yz0J0LyrXjBNejhUIe/QywqKf24n7aMoR6TAaNDP5Up8m1cMl P1Yrc29pI6xSK0rYJXFzqaF2fSsTTet9xKuvN5t/vEtov3+UHg9hMiSj8Z+vxi6H+T5o ZfOXCv3cFQFk1et4/isH82+u5hey6xCbda5pLL5QQu6OkN377YrSQgx+HXQoYs3bPuG2 gdO7yTvwQvytzXcVLjNUiRpFj5n1NxyKIQOqGBzAJYGki87YK9+bJNiut/pUnxM+X/jh 5TZokSdrtATMwG2J0LlvIl6DC9UHg7r7jywSdqXmESOTynlqc/z1eZi7P1lNlLPDHTwH hd8A== X-Gm-Message-State: ACrzQf2KeApwnVNDWPzK06bVgMx4nvwtb9yzZRXwHzZGKvey9FBEXcio GWPZ8H/Y7CoakZAt04bRZv4= X-Google-Smtp-Source: AMsMyM6YSuN5NBVb/th5/FcRZVreCEibK29TtTjbtKUF0vDw9NIOEje3N82DjgRRlHan4QPs87ovyg== X-Received: by 2002:a05:6512:681:b0:489:d509:e076 with SMTP id t1-20020a056512068100b00489d509e076mr7399577lfe.618.1666358309446; Fri, 21 Oct 2022 06:18:29 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id f5-20020a2e9e85000000b0026dfdcbccdasm3400209ljk.14.2022.10.21.06.18.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:28 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:23 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org Subject: [PATCH v4 2/4] gpu: drm: sii902x: Use devm_regulator_bulk_get_enable() Message-ID: <1ed8351c2cb4911fcda21b97f7a7b089e955c301.1666357434.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mjr/nbyrnmvxde/A" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mjr/nbyrnmvxde/A Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Simplify using devm_regulator_bulk_get_enable() Signed-off-by: Matti Vaittinen Reviewed-by: Robert Foss Acked-by: Robert Foss --- v3 =3D> v4: - split to own patch. - return directly the value returned by the dev_err_probe() Please note - this is only compile-tested due to the lack of HW. Careful review and testing is _highly_ appreciated --- drivers/gpu/drm/bridge/sii902x.c | 26 ++++---------------------- 1 file changed, 4 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii9= 02x.c index 878fb7d3732b..f6e8b401069b 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -171,7 +171,6 @@ struct sii902x { struct drm_connector connector; struct gpio_desc *reset_gpio; struct i2c_mux_core *i2cmux; - struct regulator_bulk_data supplies[2]; bool sink_is_hdmi; /* * Mutex protects audio and video functions from interfering @@ -1072,6 +1071,7 @@ static int sii902x_probe(struct i2c_client *client, struct device *dev =3D &client->dev; struct device_node *endpoint; struct sii902x *sii902x; + static const char * const supplies[] =3D {"iovcc", "cvcc12"}; int ret; =20 ret =3D i2c_check_functionality(client->adapter, @@ -1122,27 +1122,11 @@ static int sii902x_probe(struct i2c_client *client, =20 mutex_init(&sii902x->mutex); =20 - sii902x->supplies[0].supply =3D "iovcc"; - sii902x->supplies[1].supply =3D "cvcc12"; - ret =3D devm_regulator_bulk_get(dev, ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); + ret =3D devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplie= s); if (ret < 0) - return ret; - - ret =3D regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); - if (ret < 0) { - dev_err_probe(dev, ret, "Failed to enable supplies"); - return ret; - } + return dev_err_probe(dev, ret, "Failed to enable supplies"); =20 - ret =3D sii902x_init(sii902x); - if (ret < 0) { - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); - } - - return ret; + return sii902x_init(sii902x); } =20 static void sii902x_remove(struct i2c_client *client) @@ -1152,8 +1136,6 @@ static void sii902x_remove(struct i2c_client *client) =20 i2c_mux_del_adapters(sii902x->i2cmux); drm_bridge_remove(&sii902x->bridge); - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); } =20 static const struct of_device_id sii902x_dt_ids[] =3D { --=20 2.37.3 --=20 Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. 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[2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id 9-20020ac25f49000000b0049944ab6895sm3150402lfz.260.2022.10.21.06.18.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:47 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:43 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org Subject: [PATCH v4 3/4] hwmon: lm90: simplify using devm_regulator_get_enable() Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="M3g96xv3Iy/Ir190" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --M3g96xv3Iy/Ir190 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(), add_action_or_reset(regulator_disable)' and use the devm_regulator_get_enable(). Signed-off-by: Matti Vaittinen Acked-by: Guenter Roeck --- RFCv1 =3D> v2: - No changes --- drivers/hwmon/lm90.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index db595f7d01f8..a3f95ba00dbf 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -2663,11 +2663,6 @@ static void lm90_remove_pec(void *dev) device_remove_file(dev, &dev_attr_pec); } =20 -static void lm90_regulator_disable(void *regulator) -{ - regulator_disable(regulator); -} - static int lm90_probe_channel_from_dt(struct i2c_client *client, struct device_node *child, struct lm90_data *data) @@ -2749,24 +2744,13 @@ static int lm90_probe(struct i2c_client *client) struct device *dev =3D &client->dev; struct i2c_adapter *adapter =3D client->adapter; struct hwmon_channel_info *info; - struct regulator *regulator; struct device *hwmon_dev; struct lm90_data *data; int err; =20 - regulator =3D devm_regulator_get(dev, "vcc"); - if (IS_ERR(regulator)) - return PTR_ERR(regulator); - - err =3D regulator_enable(regulator); - if (err < 0) { - dev_err(dev, "Failed to enable regulator: %d\n", err); - return err; - } - - err =3D devm_add_action_or_reset(dev, lm90_regulator_disable, regulator); + err =3D devm_regulator_get_enable(dev, "vcc"); if (err) - return err; + return dev_err_probe(dev, err, "Failed to enable regulator\n"); =20 data =3D devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL); if (!data) --=20 2.37.3 --=20 Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =3D]=20 --M3g96xv3Iy/Ir190 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmNSnDMACgkQeFA3/03a ocWlJQf/f4PSr4V2vI2p2GUquvO7G7G/Ap8fvDhLsezltYKOvhysBmxyc5W6uOE7 A7UDzafqeVb2ZRqrHDe3b348v/vZ2nUN37wDIQVQiLFYeVUWJtYQY0AIt3MAYSgh /6pYUFjsOhPk4zgrplh2O07iDM7V0h09ovKA/aQ4KtsOgKoi+zmhD7ka4YhwSoaf 4MEQG4S4pGi5/tJlHG87zH7/+LESzo1g3s2GH5bZOolQQGfahwA+hP7ztnQ/4E0R WnPt+SydxPSAGI0A6ImdFCAemC8LkfsmDOfPbV7aVQonl/Pm+PYxKEC0auspopMv EARJfxX8SY6Civ722e+t7twiVR0REg== =bf9B -----END PGP SIGNATURE----- --M3g96xv3Iy/Ir190-- From nobody Thu Apr 9 10:52:19 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E194C4332F for ; Fri, 21 Oct 2022 13:19:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230395AbiJUNT2 (ORCPT ); Fri, 21 Oct 2022 09:19:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231173AbiJUNTO (ORCPT ); Fri, 21 Oct 2022 09:19:14 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0A6C5C9C3; Fri, 21 Oct 2022 06:19:12 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id f37so5022230lfv.8; Fri, 21 Oct 2022 06:19:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=kSylMpx0YFsO31Hjkjkcjn2msnx+oITUaLGfh+0vVIE=; b=pCPCyBdcW1Dxce4rSpZGxMbdmm3k4A8+8OJ+rBpD3sbTSRkrm98zqrhlvRnQWFeiPg MvE5i8PbKLTNGMCyql6GsXQQQ4AR2ycbx55uOON8fjLAXKw1N1IBmzFeQxB0fFF0QTvZ sCGFD9eb/7U66Fpi96reXKRp56nrV4AmnyftOqBEv2yi3p1CsRspKkhJVvp6/3qJ1su6 pkHlAUz4/0AKk43eHoddYd1qtd+kWkhCaZublMPgaLlXzl7DWblkEvA7QSZTmVRiU630 2QBEo8/zjdrjSYeh4Rw9zactbfWk8r4o2nbgHhwqzAUkO1V/qtgpjOR8LbtCfaPN8YmA /Xtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kSylMpx0YFsO31Hjkjkcjn2msnx+oITUaLGfh+0vVIE=; b=IcTlfFt/B9gO994TEG10yP1jztBiFsAYwCQCoGZPJiYM2IVnYh3Z1ff38NBySwdrRG UD5RYZ3BJJmnnBMauXjHG7Kl39YnLdh160j7fwOcl/NJGWyuDZ4p/J6TlzTcQ2KaUP4N 3qlVtOBZ+Dj0h3+Co0CypKphHyOTDPsVlUHjkJe/aumcgJnDKuNIQMm3RnExkyi5KH2V n6+ADhHBOKI/v3/dfumtc/ji+d93Y7fgD1mLdtdfhwuyG8OXvxqHrHLNrqnOV1bgnFOY 6Kj9jRsL9kDlbLjRqcJVJKU+6GqnXHXiAZ0gRZIgjY7hsrrte9wb6TxjBzrv/xENWlPV PCRQ== X-Gm-Message-State: ACrzQf01QhQOGzTPhRXkAy5NO/nQmPIK/KmR0ITwaORGEUtTPITNqFYf x/hn8cQrYxcAYx6bgAxVT4g= X-Google-Smtp-Source: AMsMyM4B1Gz1PwwH2+BbftHuFfixXyGIDvs32ddQqbNWh+grybL2k3HLNZB+9j1dXvJuph8bTTYW2w== X-Received: by 2002:a05:6512:1681:b0:4a2:1925:e3ff with SMTP id bu1-20020a056512168100b004a21925e3ffmr7580907lfb.517.1666358350758; Fri, 21 Oct 2022 06:19:10 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id t28-20020a05651c205c00b0026e02eb613csm3398419ljo.18.2022.10.21.06.19.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:19:09 -0700 (PDT) Date: Fri, 21 Oct 2022 16:19:04 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org Subject: [PATCH v4 4/4] hwmon: adm1177: simplify using devm_regulator_get_enable() Message-ID: <7773541795f280db31dd981ffc21df8a630b794a.1666357434.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LNJ8AAv0zmlHvO2X" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --LNJ8AAv0zmlHvO2X Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(), add_action_or_reset(regulator_disable)' and use the devm_regulator_get_enable() and drop the pointer to the regulator. This simplifies code and makes it less tempting to add manual control for the regulator which is also controlled by devm. Signed-off-by: Matti Vaittinen Acked-by: Guenter Roeck --- v2 =3D> v3: New patch --- drivers/hwmon/adm1177.c | 27 +++------------------------ 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/drivers/hwmon/adm1177.c b/drivers/hwmon/adm1177.c index 0c5dbc5e33b4..be17a26a84f1 100644 --- a/drivers/hwmon/adm1177.c +++ b/drivers/hwmon/adm1177.c @@ -26,14 +26,12 @@ /** * struct adm1177_state - driver instance specific data * @client: pointer to i2c client - * @reg: regulator info for the power supply of the device * @r_sense_uohm: current sense resistor value * @alert_threshold_ua: current limit for shutdown * @vrange_high: internal voltage divider */ struct adm1177_state { struct i2c_client *client; - struct regulator *reg; u32 r_sense_uohm; u32 alert_threshold_ua; bool vrange_high; @@ -189,13 +187,6 @@ static const struct hwmon_chip_info adm1177_chip_info = =3D { .info =3D adm1177_info, }; =20 -static void adm1177_remove(void *data) -{ - struct adm1177_state *st =3D data; - - regulator_disable(st->reg); -} - static int adm1177_probe(struct i2c_client *client) { struct device *dev =3D &client->dev; @@ -210,21 +201,9 @@ static int adm1177_probe(struct i2c_client *client) =20 st->client =3D client; =20 - st->reg =3D devm_regulator_get_optional(&client->dev, "vref"); - if (IS_ERR(st->reg)) { - if (PTR_ERR(st->reg) =3D=3D -EPROBE_DEFER) - return -EPROBE_DEFER; - - st->reg =3D NULL; - } else { - ret =3D regulator_enable(st->reg); - if (ret) - return ret; - ret =3D devm_add_action_or_reset(&client->dev, adm1177_remove, - st); - if (ret) - return ret; - } + ret =3D devm_regulator_get_enable_optional(&client->dev, "vref"); + if (ret =3D=3D -EPROBE_DEFER) + return -EPROBE_DEFER; =20 if (device_property_read_u32(dev, "shunt-resistor-micro-ohms", &st->r_sense_uohm)) --=20 2.37.3 --=20 Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. 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