Hi Linus, [auto build test ERROR on linus/master] [also build test ERROR on v4.8-rc1 next-20160805] [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/Linus-Walleij/memory-omap-gpmc-use-devm_gpiochip_add_data/20160808-160509 config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): drivers/memory/omap-gpmc.c: In function 'gpmc_gpio_init': >> drivers/memory/omap-gpmc.c:2269:31: error: 'gpmv' undeclared (first use in this function) ret = devm_gpiochip_add_data(gpmv->dev, &gpmc->gpio_chip, NULL); ^ drivers/memory/omap-gpmc.c:2269:31: note: each undeclared identifier is reported only once for each function it appears in drivers/memory/omap-gpmc.c: In function 'gpmc_probe': >> drivers/memory/omap-gpmc.c:2378:2: error: implicit declaration of function 'gpmc_gpio_exit' [-Werror=implicit-function-declaration] gpmc_gpio_exit(gpmc); ^ cc1: some warnings being treated as errors vim +/gpmv +2269 drivers/memory/omap-gpmc.c 2263 gpmc->gpio_chip.direction_input = gpmc_gpio_direction_input; 2264 gpmc->gpio_chip.direction_output = gpmc_gpio_direction_output; 2265 gpmc->gpio_chip.set = gpmc_gpio_set; 2266 gpmc->gpio_chip.get = gpmc_gpio_get; 2267 gpmc->gpio_chip.base = -1; 2268 > 2269 ret = devm_gpiochip_add_data(gpmv->dev, &gpmc->gpio_chip, NULL); 2270 if (ret < 0) { 2271 dev_err(gpmc->dev, "could not register gpio chip: %d\n", ret); 2272 return ret; 2273 } 2274 2275 return 0; 2276 } 2277 2278 static int gpmc_probe(struct platform_device *pdev) 2279 { 2280 int rc; 2281 u32 l; 2282 struct resource *res; 2283 struct gpmc_device *gpmc; 2284 2285 gpmc = devm_kzalloc(&pdev->dev, sizeof(*gpmc), GFP_KERNEL); 2286 if (!gpmc) 2287 return -ENOMEM; 2288 2289 gpmc->dev = &pdev->dev; 2290 platform_set_drvdata(pdev, gpmc); 2291 2292 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 2293 if (res == NULL) 2294 return -ENOENT; 2295 2296 phys_base = res->start; 2297 mem_size = resource_size(res); 2298 2299 gpmc_base = devm_ioremap_resource(&pdev->dev, res); 2300 if (IS_ERR(gpmc_base)) 2301 return PTR_ERR(gpmc_base); 2302 2303 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); 2304 if (!res) { 2305 dev_err(&pdev->dev, "Failed to get resource: irq\n"); 2306 return -ENOENT; 2307 } 2308 2309 gpmc->irq = res->start; 2310 2311 gpmc_l3_clk = devm_clk_get(&pdev->dev, "fck"); 2312 if (IS_ERR(gpmc_l3_clk)) { 2313 dev_err(&pdev->dev, "Failed to get GPMC fck\n"); 2314 return PTR_ERR(gpmc_l3_clk); 2315 } 2316 2317 if (!clk_get_rate(gpmc_l3_clk)) { 2318 dev_err(&pdev->dev, "Invalid GPMC fck clock rate\n"); 2319 return -EINVAL; 2320 } 2321 2322 if (pdev->dev.of_node) { 2323 rc = gpmc_probe_dt(pdev); 2324 if (rc) 2325 return rc; 2326 } else { 2327 gpmc_cs_num = GPMC_CS_NUM; 2328 gpmc_nr_waitpins = GPMC_NR_WAITPINS; 2329 } 2330 2331 pm_runtime_enable(&pdev->dev); 2332 pm_runtime_get_sync(&pdev->dev); 2333 2334 l = gpmc_read_reg(GPMC_REVISION); 2335 2336 /* 2337 * FIXME: Once device-tree migration is complete the below flags 2338 * should be populated based upon the device-tree compatible 2339 * string. For now just use the IP revision. OMAP3+ devices have 2340 * the wr_access and wr_data_mux_bus register fields. OMAP4+ 2341 * devices support the addr-addr-data multiplex protocol. 2342 * 2343 * GPMC IP revisions: 2344 * - OMAP24xx = 2.0 2345 * - OMAP3xxx = 5.0 2346 * - OMAP44xx/54xx/AM335x = 6.0 2347 */ 2348 if (GPMC_REVISION_MAJOR(l) > 0x4) 2349 gpmc_capability = GPMC_HAS_WR_ACCESS | GPMC_HAS_WR_DATA_MUX_BUS; 2350 if (GPMC_REVISION_MAJOR(l) > 0x5) 2351 gpmc_capability |= GPMC_HAS_MUX_AAD; 2352 dev_info(gpmc->dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l), 2353 GPMC_REVISION_MINOR(l)); 2354 2355 gpmc_mem_init(); 2356 rc = gpmc_gpio_init(gpmc); 2357 if (rc) 2358 goto gpio_init_failed; 2359 2360 gpmc->nirqs = GPMC_NR_NAND_IRQS + gpmc_nr_waitpins; 2361 rc = gpmc_setup_irq(gpmc); 2362 if (rc) { 2363 dev_err(gpmc->dev, "gpmc_setup_irq failed\n"); 2364 goto setup_irq_failed; 2365 } 2366 2367 rc = gpmc_probe_dt_children(pdev); 2368 if (rc < 0) { 2369 dev_err(gpmc->dev, "failed to probe DT children\n"); 2370 goto dt_children_failed; 2371 } 2372 2373 return 0; 2374 2375 dt_children_failed: 2376 gpmc_free_irq(gpmc); 2377 setup_irq_failed: > 2378 gpmc_gpio_exit(gpmc); 2379 gpio_init_failed: 2380 gpmc_mem_exit(); 2381 pm_runtime_put_sync(&pdev->dev); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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