From: Oliver Neukum <oneukum@suse.de> To: gyungoh@gmail.com Cc: sameo@linux.intel.com, lee.jones@linaro.org, grant.likely@linaro.org, robh+dt@kernel.org, jg1.han@samsung.com, cooloney@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, trivial@kernel.org, akpm@linux-foundation.org, jic23@kernel.org, thomas.petazzoni@free-electrons.com, ktsai@capellamicro.com, hs@denx.de, stwiss.opensource@diasemi.com, matti.vaittinen@nsn.com, broonie@kernel.org, jason@lakedaemon.net, heiko@sntech.de, shawn.guo@freescale.com, florian.vaussard@epfl.ch, andrew@lunn.ch, antonynpavlov@gmail.com, hytszk@gmail.com, plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, jack.yoo@skyworksinc.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver Date: Wed, 03 Dec 2014 11:02:29 +0100 [thread overview] Message-ID: <1417600949.12511.7.camel@linux-0dmf.site> (raw) In-Reply-To: <1417590332-4912-3-git-send-email-jack.yoo@skyworksinc.com> On Wed, 2014-12-03 at 16:05 +0900, gyungoh@gmail.com wrote: > +static ssize_t sky81452_bl_store_enable(struct device *dev, > + struct device_attribute *attr, const char *buf, size_t > count) > +{ > + struct regmap *regmap = bl_get_data(to_backlight_device(dev)); > + unsigned long value; > + int ret; > + > + ret = kstrtoul(buf, 16, &value); > + if (IS_ERR_VALUE(ret)) > + return ret; > + > + ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN, > + value << CTZ(SKY81452_EN)); No range checking for value? > + if (IS_ERR_VALUE(ret)) > + return ret; > + > + return count; > +} Regards Oliver -- Oliver Neukum <oneukum@suse.de>
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From: Oliver Neukum <oneukum@suse.de> To: gyungoh@gmail.com Cc: sameo@linux.intel.com, lee.jones@linaro.org, grant.likely@linaro.org, robh+dt@kernel.org, jg1.han@samsung.com, cooloney@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, trivial@kernel.org, akpm@linux-foundation.org, jic23@kernel.org, thomas.petazzoni@free-electrons.com, ktsai@capellamicro.com, hs@denx.de, stwiss.opensource@diasemi.com, matti.vaittinen@nsn.com, broonie@kernel.org, jason@lakedaemon.net, heiko@sntech.de, shawn.guo@freescale.com, florian.vaussard@epfl.ch, andrew@lunn.ch, antonynpavlov@gmail.com, hytszk@gmail.com, plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, jack.yoo@skyworksinc.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver Date: Wed, 03 Dec 2014 10:02:29 +0000 [thread overview] Message-ID: <1417600949.12511.7.camel@linux-0dmf.site> (raw) In-Reply-To: <1417590332-4912-3-git-send-email-jack.yoo@skyworksinc.com> On Wed, 2014-12-03 at 16:05 +0900, gyungoh@gmail.com wrote: > +static ssize_t sky81452_bl_store_enable(struct device *dev, > + struct device_attribute *attr, const char *buf, size_t > count) > +{ > + struct regmap *regmap = bl_get_data(to_backlight_device(dev)); > + unsigned long value; > + int ret; > + > + ret = kstrtoul(buf, 16, &value); > + if (IS_ERR_VALUE(ret)) > + return ret; > + > + ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN, > + value << CTZ(SKY81452_EN)); No range checking for value? > + if (IS_ERR_VALUE(ret)) > + return ret; > + > + return count; > +} Regards Oliver -- Oliver Neukum <oneukum@suse.de>
next prev parent reply other threads:[~2014-12-03 10:02 UTC|newest] Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-03 7:05 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:05 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2014-12-03 7:05 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:05 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:13 ` Jingoo Han 2014-12-03 7:13 ` Jingoo Han 2014-12-03 10:02 ` Oliver Neukum [this message] 2014-12-03 10:02 ` Oliver Neukum 2014-12-04 2:04 ` Gyungoh Yoo 2014-12-04 2:04 ` Gyungoh Yoo 2014-12-04 2:04 ` Gyungoh Yoo 2014-12-03 7:05 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:05 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:05 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-03 7:05 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh 2014-12-03 7:05 ` gyungoh 2014-12-18 5:47 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 5:47 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2014-12-18 5:47 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 5:47 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2014-12-18 5:47 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 6:09 ` Jingoo Han 2014-12-18 6:09 ` Jingoo Han 2014-12-18 6:09 ` Jingoo Han 2014-12-18 6:13 ` Gyungoh Yoo 2014-12-18 6:13 ` Gyungoh Yoo 2014-12-18 6:13 ` Gyungoh Yoo 2014-12-18 5:47 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 8:32 ` Lee Jones 2014-12-18 8:32 ` Lee Jones 2014-12-18 5:47 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 8:30 ` Lee Jones 2014-12-18 8:30 ` Lee Jones 2014-12-18 5:47 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh 2014-12-18 5:47 ` gyungoh 2014-12-18 8:29 ` Lee Jones 2014-12-18 8:29 ` Lee Jones 2014-12-18 5:47 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh 2014-12-18 5:47 ` gyungoh 2015-01-07 2:19 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-07 2:19 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-07 2:19 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-07 2:19 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-09 1:30 ` Gyungoh Yoo 2015-01-09 1:30 ` Gyungoh Yoo 2015-01-09 1:30 ` Gyungoh Yoo 2015-01-07 2:19 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-09 1:31 ` Gyungoh Yoo 2015-01-09 1:31 ` Gyungoh Yoo 2015-01-07 2:19 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-07 2:19 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh 2015-01-07 2:19 ` gyungoh 2015-01-07 2:19 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2015-01-18 17:40 ` [PATCH v10 0/6] Add Skyworks SKY81452 device drivers Lee Jones 2015-01-18 17:40 ` Lee Jones 2015-01-18 17:40 ` Lee Jones 2015-01-19 1:41 ` Gyungoh Yoo 2015-01-19 1:41 ` Gyungoh Yoo 2015-01-19 1:41 ` Gyungoh Yoo 2015-01-19 8:10 ` Lee Jones 2015-01-19 8:10 ` Lee Jones 2015-01-19 8:10 ` Lee Jones 2015-01-23 6:28 gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-23 6:28 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2015-01-23 6:28 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-23 6:28 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-23 6:28 ` [PATCH v10 3/6] devicetree: Add new SKY81452 mfd binding gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-23 6:28 ` [PATCH v10 4/6] devicetree: Add new SKY81452 backlight binding gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-27 7:02 ` Gyungoh Yoo 2015-01-27 7:02 ` Gyungoh Yoo 2015-02-04 15:11 ` Rob Herring 2015-02-04 15:11 ` Rob Herring 2015-02-04 15:11 ` Rob Herring 2015-02-05 4:59 ` Gyungoh Yoo 2015-02-05 4:59 ` Gyungoh Yoo 2015-02-05 4:59 ` Gyungoh Yoo 2015-02-05 13:22 ` Rob Herring 2015-01-23 6:28 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh 2015-01-23 6:28 ` gyungoh 2015-01-23 6:28 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w 2015-01-23 6:28 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh 2015-01-23 6:28 ` gyungoh 2015-02-05 6:29 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh 2015-02-05 6:29 ` gyungoh 2015-02-05 6:29 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh 2015-02-05 6:29 ` gyungoh 2015-02-05 6:34 ` [PATCH v10 0/6] Add Skyworks SKY81452 device drivers Gyungoh Yoo 2015-02-05 6:34 ` Gyungoh Yoo 2015-02-05 6:34 ` Gyungoh Yoo
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