Hi Nagarjuna, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [cannot apply to v5.3-rc3 next-20190809] [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/Nagarjuna-Kristam/Tegra-XUSB-gadget-driver-support/20190809-042626 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:332:0, from include/linux/kernel.h:15, from include/linux/clk.h:13, from drivers/usb/gadget/udc/tegra_xudc.c:9: drivers/usb/gadget/udc/tegra_xudc.c: In function 'tegra_xudc_ep0_standard_req': >> include/linux/dynamic_debug.h:122:52: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __dynamic_func_call(id, fmt, func, ...) do { \ ^ include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' _dynamic_func_call(fmt,__dynamic_dev_dbg, \ ^~~~~~~~~~~~~~~~~~ include/linux/device.h:1509:2: note: in expansion of macro 'dynamic_dev_dbg' dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~ >> drivers/usb/gadget/udc/tegra_xudc.c:2394:3: note: in expansion of macro 'dev_dbg' dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); ^~~~~~~ drivers/usb/gadget/udc/tegra_xudc.c:2400:2: note: here default: ^~~~~~~ -- In file included from include/linux/printk.h:332:0, from include/linux/kernel.h:15, from include/linux/clk.h:13, from drivers/usb//gadget/udc/tegra_xudc.c:9: drivers/usb//gadget/udc/tegra_xudc.c: In function 'tegra_xudc_ep0_standard_req': >> include/linux/dynamic_debug.h:122:52: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __dynamic_func_call(id, fmt, func, ...) do { \ ^ include/linux/dynamic_debug.h:143:2: note: in expansion of macro '__dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' _dynamic_func_call(fmt,__dynamic_dev_dbg, \ ^~~~~~~~~~~~~~~~~~ include/linux/device.h:1509:2: note: in expansion of macro 'dynamic_dev_dbg' dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~ drivers/usb//gadget/udc/tegra_xudc.c:2394:3: note: in expansion of macro 'dev_dbg' dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); ^~~~~~~ drivers/usb//gadget/udc/tegra_xudc.c:2400:2: note: here default: ^~~~~~~ vim +/dev_dbg +2394 drivers/usb/gadget/udc/tegra_xudc.c 2365 2366 static int tegra_xudc_ep0_standard_req(struct tegra_xudc *xudc, 2367 struct usb_ctrlrequest *ctrl) 2368 { 2369 int ret; 2370 2371 switch (ctrl->bRequest) { 2372 case USB_REQ_GET_STATUS: 2373 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); 2374 ret = tegra_xudc_ep0_get_status(xudc, ctrl); 2375 break; 2376 case USB_REQ_SET_ADDRESS: 2377 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); 2378 ret = tegra_xudc_ep0_set_address(xudc, ctrl); 2379 break; 2380 case USB_REQ_SET_SEL: 2381 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); 2382 ret = tegra_xudc_ep0_set_sel(xudc, ctrl); 2383 break; 2384 case USB_REQ_SET_ISOCH_DELAY: 2385 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); 2386 ret = tegra_xudc_ep0_set_isoch_delay(xudc, ctrl); 2387 break; 2388 case USB_REQ_CLEAR_FEATURE: 2389 case USB_REQ_SET_FEATURE: 2390 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); 2391 ret = tegra_xudc_ep0_set_feature(xudc, ctrl); 2392 break; 2393 case USB_REQ_SET_CONFIGURATION: > 2394 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); 2395 /* 2396 * In theory we need to clear RUN bit before status stage of 2397 * deconfig request sent, but this seems to be causing problems. 2398 * Clear RUN once all endpoints are disabled instead. 2399 */ 2400 default: 2401 ret = tegra_xudc_ep0_delegate_req(xudc, ctrl); 2402 break; 2403 } 2404 2405 return ret; 2406 } 2407 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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