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> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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