[ This patch just enabled the build-bot to test more code, so it gets blamed for the new warnings even though it didn't introduce them. The actual bug in a USB driver, so I've added linux-usb to the CC list. -dan ] tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b44f2fd87919b5ae6e1756d4c7ba2cbba22238e1 commit: 5eeaafc8d69373c095e461bdb39e5c9b62228ac5 mips: BCM63XX: ensure that CPU_SUPPORTS_32BIT_KERNEL is set config: mips-randconfig-m041-20220804 (https://download.01.org/0day-ci/archive/20220805/202208050012.uDlpcTiD-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> New smatch warnings: drivers/usb/gadget/udc/bcm63xx_udc.c:1861 bcm63xx_udc_stop() warn: sleeping in atomic context vim +1861 drivers/usb/gadget/udc/bcm63xx_udc.c 22835b807e7ca9 drivers/usb/gadget/udc/bcm63xx_udc.c Felipe Balbi 2014-10-17 1846 static int bcm63xx_udc_stop(struct usb_gadget *gadget) 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1847 { 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1848 struct bcm63xx_udc *udc = gadget_to_udc(gadget); 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1849 unsigned long flags; 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1850 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1851 spin_lock_irqsave(&udc->lock, flags); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1852 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1853 udc->driver = NULL; 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1854 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1855 /* 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1856 * If we switch the PHY too abruptly after dropping D+, the host 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1857 * will often complain: 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1858 * 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1859 * hub 1-0:1.0: port 1 disabled by hub (EMI?), re-enabling... 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1860 */ 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 @1861 msleep(100); ^^^^^^^^^^^^ You can't sleep when you're holding a spinlock. 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1862 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1863 bcm63xx_select_phy_mode(udc, false); 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1864 set_clocks(udc, false); 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1865 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1866 spin_unlock_irqrestore(&udc->lock, flags); 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1867 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1868 return 0; 613065e53cb191 drivers/usb/gadget/bcm63xx_udc.c Kevin Cernekee 2012-08-25 1869 } -- 0-DAY CI Kernel Test Service https://01.org/lkp
