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/mtu3/mtu3_host.c:10: drivers//usb/mtu3/mtu3_host.c: In function 'ssusb_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/mtu3/mtu3_host.c:25:19: note: in expansion of macro 'BIT' #define WC0_IS_EN BIT(6) ^~~ >> drivers//usb/mtu3/mtu3_host.c:55:9: note: in expansion of macro 'WC0_IS_EN' msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; ^~~~~~~~~ -- 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/mtu3/mtu3_host.c:10: drivers/usb/mtu3/mtu3_host.c: In function 'ssusb_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/mtu3/mtu3_host.c:25:19: note: in expansion of macro 'BIT' #define WC0_IS_EN BIT(6) ^~~ drivers/usb/mtu3/mtu3_host.c:55:9: note: in expansion of macro 'WC0_IS_EN' msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; ^~~~~~~~~ vim +/WC0_IS_EN +55 drivers//usb/mtu3/mtu3_host.c > 10 #include <linux/clk.h> 11 #include <linux/iopoll.h> 12 #include <linux/irq.h> 13 #include <linux/kernel.h> 14 #include <linux/mfd/syscon.h> 15 #include <linux/of_device.h> 16 #include <linux/regmap.h> 17 18 #include "mtu3.h" 19 #include "mtu3_dr.h" 20 21 /* mt8183 etc */ 22 #define PERI_WK_CTRL0 0x20 23 #define WC0_IS_C(x) (((x) & 0xf) << 28) /* cycle debounce */ 24 #define WC0_IS_P BIT(12) /* polarity */ > 25 #define WC0_IS_EN BIT(6) 26 27 /* mt8173 etc */ 28 #define PERI_WK_CTRL1 0x4 29 #define WC1_IS_C(x) (((x) & 0xf) << 26) /* cycle debounce */ 30 #define WC1_IS_EN BIT(25) 31 #define WC1_IS_P BIT(6) /* polarity for ip sleep */ 32 33 /* mt2712 etc */ 34 #define PERI_SSUSB_SPM_CTRL 0x0 35 #define SSC_IP_SLEEP_EN BIT(4) 36 #define SSC_SPM_INT_EN BIT(1) 37 38 enum ssusb_uwk_vers { 39 SSUSB_UWK_V0 = 0, 40 SSUSB_UWK_V1, 41 SSUSB_UWK_V2, 42 }; 43 44 /* 45 * ip-sleep wakeup mode: 46 * all clocks can be turn off, but power domain should be kept on 47 */ 48 static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable) 49 { 50 u32 reg, msk, val; 51 52 switch (ssusb->uwk_vers) { 53 case SSUSB_UWK_V0: 54 reg = ssusb->uwk_reg_base + PERI_WK_CTRL0; > 55 msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; 56 val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0; 57 break; 58 case SSUSB_UWK_V1: 59 reg = ssusb->uwk_reg_base + PERI_WK_CTRL1; 60 msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P; 61 val = enable ? (WC1_IS_EN | WC1_IS_C(0x8)) : 0; 62 break; 63 case SSUSB_UWK_V2: 64 reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL; 65 msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN; 66 val = enable ? msk : 0; 67 break; 68 default: 69 return; 70 } 71 regmap_update_bits(ssusb->uwk, reg, msk, val); 72 } 73 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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