From: kgunda@codeaurora.org
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: kbuild@01.org, kbuild-all@01.org, bjorn.andersson@linaro.org,
Lee Jones <lee.jones@linaro.org>,
Daniel Thompson <daniel.thompson@linaro.org>,
Jingoo Han <jingoohan1@gmail.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-leds@vger.kernel.org, linux-arm-msm-owner@vger.kernel.org
Subject: Re: [PATCH V1 3/5] backlight: qcom-wled: Add support for short circuit handling
Date: Mon, 07 May 2018 14:38:20 +0530 [thread overview]
Message-ID: <4bd09b09c514825785c3e9486b3d6c78@codeaurora.org> (raw)
In-Reply-To: <20180507080638.enmel5keygu5ag3h@mwanda>
On 2018-05-07 13:36, Dan Carpenter wrote:
> Hi Kiran,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on backlight/for-backlight-next]
> [also build test WARNING on v4.17-rc3 next-20180504]
> [if your patch is applied to the wrong git tree, please drop us a note
> to help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Kiran-Gunda/backlight-qcom-wled-Support-for-QCOM-wled-driver/20180504-011042
> base:
> https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git
> for-backlight-next
>
> smatch warnings:
> drivers/video/backlight/qcom-wled.c:304 wled_update_status() warn:
> inconsistent returns 'mutex:&wled->lock'.
> Locked on: line 287
> Unlocked on: line 304
>
Will fix it in the next series.
> #
> https://github.com/0day-ci/linux/commit/3856199804123df89ef9a712f0740978ec71ddf6
> git remote add linux-review https://github.com/0day-ci/linux
> git remote update linux-review
> git checkout 3856199804123df89ef9a712f0740978ec71ddf6
> vim +304 drivers/video/backlight/qcom-wled.c
>
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 263
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 264 static int wled_update_status(struct backlight_device *bl)
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 265 {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 266 struct wled *wled = bl_get_data(bl);
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 267 u16 brightness = bl->props.brightness;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 268 int rc = 0;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 269
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 270 if (bl->props.power != FB_BLANK_UNBLANK ||
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 271 bl->props.fb_blank != FB_BLANK_UNBLANK ||
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 272 bl->props.state & BL_CORE_FBBLANK)
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 273 brightness = 0;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 274
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 275 mutex_lock(&wled->lock);
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 276 if (brightness) {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 277 rc = wled->wled_set_brightness(wled, brightness);
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 278 if (rc < 0) {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 279 dev_err(wled->dev, "wled failed to set brightness rc:%d\n",
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 280 rc);
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 281 goto unlock_mutex;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 282 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 283
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 284 rc = wled->wled_sync_toggle(wled);
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 285 if (rc < 0) {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 286 dev_err(wled->dev, "wled sync failed rc:%d\n", rc);
> 93c64f1e drivers/leds/leds-pm8941-wled.c Courtney Cavin 2015-03-12
> 287 return rc;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 288 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 289 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 290
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 291 if (!!brightness != !!wled->brightness) {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 292 rc = wled_module_enable(wled, !!brightness);
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 293 if (rc < 0) {
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 294 dev_err(wled->dev, "wled enable failed rc:%d\n", rc);
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 295 goto unlock_mutex;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 296 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 297 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 298
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 299 wled->brightness = brightness;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 300
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 301 unlock_mutex:
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 302 mutex_unlock(&wled->lock);
> 38561998 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 303
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> @304 return rc;
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 305 }
> 18e7abb8 drivers/video/backlight/qcom-wled.c Kiran Gunda 2018-05-03
> 306
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology
> Center
> https://lists.01.org/pipermail/kbuild-all Intel
> Corporation
> --
> To unsubscribe from this list: send the line "unsubscribe
> linux-arm-msm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-05-07 9:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-03 9:57 [PATCH V1 0/5] backlight: qcom-wled: Support for QCOM wled driver Kiran Gunda
2018-05-03 9:57 ` [PATCH V1 1/5] qcom: wled: Rename pm8941-wled.c to qcom-wled.c Kiran Gunda
2018-05-07 15:41 ` Bjorn Andersson
2018-05-10 11:10 ` Pavel Machek
2018-05-03 9:57 ` [PATCH V1 2/5] backlight: qcom-wled: Add support for WLED4 peripheral Kiran Gunda
2018-05-07 16:20 ` Bjorn Andersson
2018-05-08 10:25 ` kgunda
2018-05-08 17:17 ` Bjorn Andersson
2018-05-09 5:15 ` kgunda
2018-05-17 9:47 ` kgunda
2018-05-17 12:31 ` Rob Herring
2018-05-17 15:10 ` kgunda
2018-05-18 12:20 ` Rob Herring
2018-05-14 16:57 ` Pavel Machek
2018-05-15 4:55 ` kgunda
2018-05-03 9:57 ` [PATCH V1 3/5] backlight: qcom-wled: Add support for short circuit handling Kiran Gunda
2018-05-07 8:06 ` Dan Carpenter
2018-05-07 9:08 ` kgunda [this message]
2018-05-07 17:06 ` Bjorn Andersson
2018-05-08 10:35 ` kgunda
2018-05-03 9:57 ` [PATCH V1 4/5] backlight: qcom-wled: Add support for OVP interrupt handling Kiran Gunda
2018-05-07 17:21 ` Bjorn Andersson
2018-05-08 12:26 ` kgunda
2018-05-08 17:19 ` Bjorn Andersson
2018-05-09 5:06 ` kgunda
2018-05-09 6:16 ` kgunda
2018-05-03 9:57 ` [PATCH V1 5/5] backlight: qcom-wled: Add auto string detection logic Kiran Gunda
2018-05-07 18:10 ` Bjorn Andersson
2018-05-09 7:14 ` kgunda
2018-05-14 17:02 ` Bjorn Andersson
2018-05-15 4:50 ` kgunda
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4bd09b09c514825785c3e9486b3d6c78@codeaurora.org \
--to=kgunda@codeaurora.org \
--cc=b.zolnierkie@samsung.com \
--cc=bjorn.andersson@linaro.org \
--cc=dan.carpenter@oracle.com \
--cc=daniel.thompson@linaro.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=jingoohan1@gmail.com \
--cc=kbuild-all@01.org \
--cc=kbuild@01.org \
--cc=lee.jones@linaro.org \
--cc=linux-arm-msm-owner@vger.kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).