tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: debe436e77c72fcee804fb867f275e6d31aa999c commit: aeb58c860dc516794fdf7ff89d96ead2644d5889 thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses date: 7 days ago config: i386-debian-10.3 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout aeb58c860dc516794fdf7ff89d96ead2644d5889 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c: In function 'send_mbox_cmd': 79 | *cmd_resp = readq((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_DATA)); | ^~~~~ | readl cc1: some warnings being treated as errors vim +79 drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c 25 26 static int send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u64 *cmd_resp) 27 { 28 struct proc_thermal_device *proc_priv; 29 u32 retries, data; 30 int ret; 31 32 mutex_lock(&mbox_lock); 33 proc_priv = pci_get_drvdata(pdev); 34 35 /* Poll for rb bit == 0 */ 36 retries = MBOX_RETRY_COUNT; 37 do { 38 data = readl((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_INTERFACE)); 39 if (data & BIT_ULL(MBOX_BUSY_BIT)) { 40 ret = -EBUSY; 41 continue; 42 } 43 ret = 0; 44 break; 45 } while (--retries); 46 47 if (ret) 48 goto unlock_mbox; 49 50 if (cmd_id == MBOX_CMD_WORKLOAD_TYPE_WRITE) 51 writel(cmd_data, (void __iomem *) ((proc_priv->mmio_base + MBOX_OFFSET_DATA))); 52 53 /* Write command register */ 54 data = BIT_ULL(MBOX_BUSY_BIT) | cmd_id; 55 writel(data, (void __iomem *) ((proc_priv->mmio_base + MBOX_OFFSET_INTERFACE))); 56 57 /* Poll for rb bit == 0 */ 58 retries = MBOX_RETRY_COUNT; 59 do { 60 data = readl((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_INTERFACE)); 61 if (data & BIT_ULL(MBOX_BUSY_BIT)) { 62 ret = -EBUSY; 63 continue; 64 } 65 66 if (data) { 67 ret = -ENXIO; 68 goto unlock_mbox; 69 } 70 71 ret = 0; 72 73 if (!cmd_resp) 74 break; 75 76 if (cmd_id == MBOX_CMD_WORKLOAD_TYPE_READ) 77 *cmd_resp = readl((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_DATA)); 78 else 80 81 break; 82 } while (--retries); 83 84 unlock_mbox: 85 mutex_unlock(&mbox_lock); 86 return ret; 87 } 88 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org