Re: [PATCH 6/7] gpio: sch311x: Use devm_request_region

From: kbuild test robot
Date: Mon Feb 01 2016 - 19:12:52 EST


Hi William,

[auto build test WARNING on gpio/for-next]
[cannot apply to v4.5-rc2 next-20160201]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/William-Breathitt-Gray/Use-devm_request_region/20160202-080012
base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: i386-randconfig-x009-02010231 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

drivers/gpio/gpio-sch311x.c: In function 'sch311x_gpio_remove':
>> drivers/gpio/gpio-sch311x.c:286:28: warning: unused variable 'pdata' [-Wunused-variable]
struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev);
^

vim +/pdata +286 drivers/gpio/gpio-sch311x.c

12262bef Bruno Randolf 2013-12-04 270 }
12262bef Bruno Randolf 2013-12-04 271 dev_info(&pdev->dev,
12262bef Bruno Randolf 2013-12-04 272 "SMSC SCH311x GPIO block %d registered.\n", i);
12262bef Bruno Randolf 2013-12-04 273 }
12262bef Bruno Randolf 2013-12-04 274
12262bef Bruno Randolf 2013-12-04 275 return 0;
12262bef Bruno Randolf 2013-12-04 276
12262bef Bruno Randolf 2013-12-04 277 exit_err:
12262bef Bruno Randolf 2013-12-04 278 /* release already registered chips */
12262bef Bruno Randolf 2013-12-04 279 for (--i; i >= 0; i--)
12262bef Bruno Randolf 2013-12-04 280 gpiochip_remove(&priv->blocks[i].chip);
12262bef Bruno Randolf 2013-12-04 281 return err;
12262bef Bruno Randolf 2013-12-04 282 }
12262bef Bruno Randolf 2013-12-04 283
12262bef Bruno Randolf 2013-12-04 284 static int sch311x_gpio_remove(struct platform_device *pdev)
12262bef Bruno Randolf 2013-12-04 285 {
ab128afc Nizam Haider 2015-11-23 @286 struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev);
12262bef Bruno Randolf 2013-12-04 287 struct sch311x_gpio_priv *priv = platform_get_drvdata(pdev);
9f5132ae abdoulaye berthe 2014-07-12 288 int i;
12262bef Bruno Randolf 2013-12-04 289
12262bef Bruno Randolf 2013-12-04 290 for (i = 0; i < ARRAY_SIZE(priv->blocks); i++) {
9f5132ae abdoulaye berthe 2014-07-12 291 gpiochip_remove(&priv->blocks[i].chip);
12262bef Bruno Randolf 2013-12-04 292 dev_info(&pdev->dev,
12262bef Bruno Randolf 2013-12-04 293 "SMSC SCH311x GPIO block %d unregistered.\n", i);
12262bef Bruno Randolf 2013-12-04 294 }

:::::: The code at line 286 was first introduced by commit
:::::: ab128afce4ea8a496fc42553215f6635a14f05c3 gpio: use dev_get_platdata()

:::::: TO: Nizam Haider <nizamhaider786@xxxxxxxxx>
:::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx>

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