Hi Anson, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on gpio/for-next] [also build test WARNING on v5.6-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Anson-Huang/gpio-mxs-add-COMPILE_TEST-support-for-GPIO_MXS/20200309-104254 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (git://gitmirror/llvm_project 073dbaae39724ea860b5957fe47ecc1c2a84b197) reproduce: # FIXME the reproduce steps for clang is not ready yet If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpio/gpio-mxs.c:293:16: warning: cast to smaller integer type 'enum mxs_gpio_id' from 'const void *' [-Wvoid-pointer-to-enum-cast] port->devid = (enum mxs_gpio_id)of_device_get_match_data(&pdev->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +293 drivers/gpio/gpio-mxs.c 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 276 3836309d93462b drivers/gpio/gpio-mxs.c Bill Pemberton 2012-11-19 277 static int mxs_gpio_probe(struct platform_device *pdev) fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 278 { 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 279 struct device_node *np = pdev->dev.of_node; 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 280 struct device_node *parent; 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 281 static void __iomem *base; 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 282 struct mxs_gpio_port *port; 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 283 int irq_base; 498c17cf6a9353 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-07 284 int err; 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 285 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 286 port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL); 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 287 if (!port) 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 288 return -ENOMEM; 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 289 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 290 port->id = of_alias_get_id(np, "gpio"); 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 291 if (port->id < 0) 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 292 return port->id; 1f2d357b9ebef5 drivers/gpio/gpio-mxs.c Thierry Reding 2018-04-30 @293 port->devid = (enum mxs_gpio_id)of_device_get_match_data(&pdev->dev); 5751d3dcf43e24 drivers/gpio/gpio-mxs.c Bartosz Golaszewski 2017-08-09 294 port->dev = &pdev->dev; 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 295 port->irq = platform_get_irq(pdev, 0); 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 296 if (port->irq < 0) 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 297 return port->irq; 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 298 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 299 /* 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 300 * map memory region only once, as all the gpio ports 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 301 * share the same one 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 302 */ 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 303 if (!base) { 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 304 parent = of_get_parent(np); 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 305 base = of_iomap(parent, 0); 4052d45e800ce3 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 306 of_node_put(parent); 641d03422a59b1 drivers/gpio/gpio-mxs.c Thierry Reding 2013-01-21 307 if (!base) 641d03422a59b1 drivers/gpio/gpio-mxs.c Thierry Reding 2013-01-21 308 return -EADDRNOTAVAIL; 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 309 } 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 310 port->base = base; fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 311 f08ea3cc94eeaf drivers/gpio/gpio-mxs.c Sascha Hauer 2016-10-21 312 /* initially disable the interrupts */ f08ea3cc94eeaf drivers/gpio/gpio-mxs.c Sascha Hauer 2016-10-21 313 writel(0, port->base + PINCTRL_PIN2IRQ(port)); 164387d2b4ae20 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-03 314 writel(0, port->base + PINCTRL_IRQEN(port)); fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 315 fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 316 /* clear address has to be used to clear IRQSTAT bits */ 164387d2b4ae20 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-03 317 writel(~0U, port->base + PINCTRL_IRQSTAT(port) + MXS_CLR); fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 318 8514b5439c90f0 drivers/gpio/gpio-mxs.c Bartosz Golaszewski 2017-03-04 319 irq_base = devm_irq_alloc_descs(&pdev->dev, -1, 0, 32, numa_node_id()); 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 320 if (irq_base < 0) { 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 321 err = irq_base; 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 322 goto out_iounmap; 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 323 } 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 324 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 325 port->domain = irq_domain_add_legacy(np, 32, irq_base, 0, 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 326 &irq_domain_simple_ops, NULL); 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 327 if (!port->domain) { 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 328 err = -ENODEV; 8514b5439c90f0 drivers/gpio/gpio-mxs.c Bartosz Golaszewski 2017-03-04 329 goto out_iounmap; 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 330 } 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 331 498c17cf6a9353 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-07 332 /* gpio-mxs can be a generic irq chip */ 1bbc557d976b4e drivers/gpio/gpio-mxs.c Peng Fan 2015-08-23 333 err = mxs_gpio_init_gc(port, irq_base); 1bbc557d976b4e drivers/gpio/gpio-mxs.c Peng Fan 2015-08-23 334 if (err < 0) 1bbc557d976b4e drivers/gpio/gpio-mxs.c Peng Fan 2015-08-23 335 goto out_irqdomain_remove; fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 336 fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 337 /* setup one handler for each entry */ a44735f421b447 drivers/gpio/gpio-mxs.c Russell King 2015-06-16 338 irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler, a44735f421b447 drivers/gpio/gpio-mxs.c Russell King 2015-06-16 339 port); fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 340 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 341 err = bgpio_init(&port->gc, &pdev->dev, 4, 164387d2b4ae20 drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-03 342 port->base + PINCTRL_DIN(port), 90dae4ebf03063 drivers/gpio/gpio-mxs.c Maxime Ripard 2013-04-29 343 port->base + PINCTRL_DOUT(port) + MXS_SET, 90dae4ebf03063 drivers/gpio/gpio-mxs.c Maxime Ripard 2013-04-29 344 port->base + PINCTRL_DOUT(port) + MXS_CLR, 84a442b9a16ee6 drivers/gpio/gpio-mxs.c Linus Torvalds 2012-05-26 345 port->base + PINCTRL_DOE(port), NULL, 0); 8d7cf8370d5fb7 drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 346 if (err) 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 347 goto out_irqdomain_remove; fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 348 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 349 port->gc.to_irq = mxs_gpio_to_irq; 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 350 port->gc.get_direction = mxs_gpio_get_direction; 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 351 port->gc.base = port->id * 32; 06f88a8ae9085e drivers/gpio/gpio-mxs.c Shawn Guo 2011-06-06 352 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 353 err = gpiochip_add_data(&port->gc, port); 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 354 if (err) 0f4630f3720e7e drivers/gpio/gpio-mxs.c Linus Walleij 2015-12-04 355 goto out_irqdomain_remove; fba311fcf09873 arch/arm/mach-mxs/gpio.c Shawn Guo 2010-12-18 356 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 357 return 0; 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 358 1bbc557d976b4e drivers/gpio/gpio-mxs.c Peng Fan 2015-08-23 359 out_irqdomain_remove: 1bbc557d976b4e drivers/gpio/gpio-mxs.c Peng Fan 2015-08-23 360 irq_domain_remove(port->domain); 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 361 out_iounmap: 44df08198bc98d drivers/gpio/gpio-mxs.c Arvind Yadav 2016-10-05 362 iounmap(port->base); 0b76c5412146c1 drivers/gpio/gpio-mxs.c Shawn Guo 2012-08-20 363 return err; 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 364 } 940a4f7b51f7ad drivers/gpio/gpio-mxs.c Shawn Guo 2012-05-04 365 :::::: The code at line 293 was first introduced by commit :::::: 1f2d357b9ebef5c7ca7e7ee07234c08ac057c386 gpio: mxs: Use of_device_get_match_data() :::::: TO: Thierry Reding <treding@xxxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
