Hi Chunfeng, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [cannot apply to v5.3-rc6 next-20190830] [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/Chunfeng-Yun/add-support-USB-for-MT8183/20190901-163637 config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-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=ia64 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/bitops.h:5:0, from include/linux/kernel.h:12, from include/linux/clk.h:13, from drivers/usb/host/xhci-mtk.c:10: drivers/usb/host/xhci-mtk.c: In function 'usb_wakeup_ip_sleep_set': include/linux/bits.h:8:19: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define BIT(nr) (UL(1) << (nr)) ^ >> drivers/usb/host/xhci-mtk.c:64:19: note: in expansion of macro 'BIT' #define WC0_IS_EN BIT(6) ^~~ >> drivers/usb/host/xhci-mtk.c:294:9: note: in expansion of macro 'WC0_IS_EN' msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; ^~~~~~~~~ vim +/BIT +64 drivers/usb/host/xhci-mtk.c > 10 #include <linux/clk.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/iopoll.h> 13 #include <linux/kernel.h> 14 #include <linux/mfd/syscon.h> 15 #include <linux/module.h> 16 #include <linux/of.h> 17 #include <linux/platform_device.h> 18 #include <linux/pm_runtime.h> 19 #include <linux/regmap.h> 20 #include <linux/regulator/consumer.h> 21 22 #include "xhci.h" 23 #include "xhci-mtk.h" 24 25 /* ip_pw_ctrl0 register */ 26 #define CTRL0_IP_SW_RST BIT(0) 27 28 /* ip_pw_ctrl1 register */ 29 #define CTRL1_IP_HOST_PDN BIT(0) 30 31 /* ip_pw_ctrl2 register */ 32 #define CTRL2_IP_DEV_PDN BIT(0) 33 34 /* ip_pw_sts1 register */ 35 #define STS1_IP_SLEEP_STS BIT(30) 36 #define STS1_U3_MAC_RST BIT(16) 37 #define STS1_XHCI_RST BIT(11) 38 #define STS1_SYS125_RST BIT(10) 39 #define STS1_REF_RST BIT(8) 40 #define STS1_SYSPLL_STABLE BIT(0) 41 42 /* ip_xhci_cap register */ 43 #define CAP_U3_PORT_NUM(p) ((p) & 0xff) 44 #define CAP_U2_PORT_NUM(p) (((p) >> 8) & 0xff) 45 46 /* u3_ctrl_p register */ 47 #define CTRL_U3_PORT_HOST_SEL BIT(2) 48 #define CTRL_U3_PORT_PDN BIT(1) 49 #define CTRL_U3_PORT_DIS BIT(0) 50 51 /* u2_ctrl_p register */ 52 #define CTRL_U2_PORT_HOST_SEL BIT(2) 53 #define CTRL_U2_PORT_PDN BIT(1) 54 #define CTRL_U2_PORT_DIS BIT(0) 55 56 /* u2_phy_pll register */ 57 #define CTRL_U2_FORCE_PLL_STB BIT(28) 58 59 /* usb remote wakeup registers in syscon */ 60 /* mt8183 etc */ 61 #define PERI_WK_CTRL0 0x20 62 #define WC0_IS_C(x) (((x) & 0xf) << 28) /* cycle debounce */ 63 #define WC0_IS_P BIT(12) /* polarity */ > 64 #define WC0_IS_EN BIT(6) 65 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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