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[2001:14ba:16f3:4a00::1]) by smtp.gmail.com with ESMTPSA id bf12-20020a056512258c00b0048a88c07bcdsm738818lfb.20.2022.08.19.12.18.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Aug 2022 12:18:50 -0700 (PDT) Date: Fri, 19 Aug 2022 22:18:46 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 05/14] hwmon: adm1177: simplify using devm_regulator_get_enable() Message-ID: <718e4ea3a54c036dcb59ff55c338e253735e516b.1660934107.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="u4933oyvJYU7rlVS" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --u4933oyvJYU7rlVS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --- 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 2.37.1 --=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 --u4933oyvJYU7rlVS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmL/4hUACgkQeFA3/03a ocUNjwgAyCPy737spbVpgQaN6ZKyydBYYE2OFVzkMXRTIRlB7/POi3ZdPDiZTgcP RUMt/nprmh1Gq6OgTbcXoI3hLcqdMAIYZy+JOV02zhqfDvFHPpex2TnTvi39546n fDzS83O9DJqMs9RutKxZnpU1ZJqFa1BYQN9jy3dJmAdjKK8un47/QILBWnTJoH0Z NE0cMUFjulUyV6HwG+OJ62z6mjiMaYHHiY3K5jo48Jo3UGmXWI3eLUbUXdIugnZb RLtmax91JSbEFCTYQIB6qVnyBD1Foe2Sr14ZB4919p7hEZUWXrLeOSrQIJA7FpFJ oTzFozHrx1gQKXg3dwMYAS9clqWfAA== =jkTb -----END PGP SIGNATURE----- --u4933oyvJYU7rlVS--