tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git set-get-data head: 319114f48804d5c77a89150a769bc35ae9fb6f96 commit: 613f12365d31cfa205b3c8c606f33c90999a631f [1/2] memory: omap-gpmc: use devm_gpiochip_add_data() config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 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 git checkout 613f12365d31cfa205b3c8c606f33c90999a631f # 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:2268:31: error: 'gpmv' undeclared (first use in this function) ret = devm_gpiochip_add_data(gpmv->dev, &gpmc->gpio_chip, NULL); ^~~~ drivers/memory/omap-gpmc.c:2268:31: 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:2371:2: 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 +2268 drivers/memory/omap-gpmc.c 2262 gpmc->gpio_chip.direction_input = gpmc_gpio_direction_input; 2263 gpmc->gpio_chip.direction_output = gpmc_gpio_direction_output; 2264 gpmc->gpio_chip.set = gpmc_gpio_set; 2265 gpmc->gpio_chip.get = gpmc_gpio_get; 2266 gpmc->gpio_chip.base = -1; 2267 > 2268 ret = devm_gpiochip_add_data(gpmv->dev, &gpmc->gpio_chip, NULL); 2269 if (ret < 0) { 2270 dev_err(gpmc->dev, "could not register gpio chip: %d\n", ret); 2271 return ret; 2272 } 2273 2274 return 0; 2275 } 2276 2277 static int gpmc_probe(struct platform_device *pdev) 2278 { 2279 int rc; 2280 u32 l; 2281 struct resource *res; 2282 struct gpmc_device *gpmc; 2283 2284 gpmc = devm_kzalloc(&pdev->dev, sizeof(*gpmc), GFP_KERNEL); 2285 if (!gpmc) 2286 return -ENOMEM; 2287 2288 gpmc->dev = &pdev->dev; 2289 platform_set_drvdata(pdev, gpmc); 2290 2291 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 2292 if (res == NULL) 2293 return -ENOENT; 2294 2295 phys_base = res->start; 2296 mem_size = resource_size(res); 2297 2298 gpmc_base = devm_ioremap_resource(&pdev->dev, res); 2299 if (IS_ERR(gpmc_base)) 2300 return PTR_ERR(gpmc_base); 2301 2302 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); 2303 if (!res) { 2304 dev_err(&pdev->dev, "Failed to get resource: irq\n"); 2305 return -ENOENT; 2306 } 2307 2308 gpmc->irq = res->start; 2309 2310 gpmc_l3_clk = devm_clk_get(&pdev->dev, "fck"); 2311 if (IS_ERR(gpmc_l3_clk)) { 2312 dev_err(&pdev->dev, "Failed to get GPMC fck\n"); 2313 return PTR_ERR(gpmc_l3_clk); 2314 } 2315 2316 if (!clk_get_rate(gpmc_l3_clk)) { 2317 dev_err(&pdev->dev, "Invalid GPMC fck clock rate\n"); 2318 return -EINVAL; 2319 } 2320 2321 if (pdev->dev.of_node) { 2322 rc = gpmc_probe_dt(pdev); 2323 if (rc) 2324 return rc; 2325 } else { 2326 gpmc_cs_num = GPMC_CS_NUM; 2327 gpmc_nr_waitpins = GPMC_NR_WAITPINS; 2328 } 2329 2330 pm_runtime_enable(&pdev->dev); 2331 pm_runtime_get_sync(&pdev->dev); 2332 2333 l = gpmc_read_reg(GPMC_REVISION); 2334 2335 /* 2336 * FIXME: Once device-tree migration is complete the below flags 2337 * should be populated based upon the device-tree compatible 2338 * string. For now just use the IP revision. OMAP3+ devices have 2339 * the wr_access and wr_data_mux_bus register fields. OMAP4+ 2340 * devices support the addr-addr-data multiplex protocol. 2341 * 2342 * GPMC IP revisions: 2343 * - OMAP24xx = 2.0 2344 * - OMAP3xxx = 5.0 2345 * - OMAP44xx/54xx/AM335x = 6.0 2346 */ 2347 if (GPMC_REVISION_MAJOR(l) > 0x4) 2348 gpmc_capability = GPMC_HAS_WR_ACCESS | GPMC_HAS_WR_DATA_MUX_BUS; 2349 if (GPMC_REVISION_MAJOR(l) > 0x5) 2350 gpmc_capability |= GPMC_HAS_MUX_AAD; 2351 dev_info(gpmc->dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l), 2352 GPMC_REVISION_MINOR(l)); 2353 2354 gpmc_mem_init(); 2355 rc = gpmc_gpio_init(gpmc); 2356 if (rc) 2357 goto gpio_init_failed; 2358 2359 gpmc->nirqs = GPMC_NR_NAND_IRQS + gpmc_nr_waitpins; 2360 rc = gpmc_setup_irq(gpmc); 2361 if (rc) { 2362 dev_err(gpmc->dev, "gpmc_setup_irq failed\n"); 2363 goto setup_irq_failed; 2364 } 2365 2366 gpmc_probe_dt_children(pdev); 2367 2368 return 0; 2369 2370 setup_irq_failed: > 2371 gpmc_gpio_exit(gpmc); 2372 gpio_init_failed: 2373 gpmc_mem_exit(); 2374 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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