Hi Chunfeng, I love your patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on robh/for-next linus/master v5.12-rc4 next-20210323] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: arm64-randconfig-r031-20210322 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 14696baaf4c43fe53f738bc292bbe169eed93d5d) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/6c0e65b02daf53e661d1804f081cb75fda28b916 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651 git checkout 6c0e65b02daf53e661d1804f081cb75fda28b916 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/usb/mtu3/mtu3_host.c:60:35: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744073441120320 to 4026536000 [-Wconstant-conversion] msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ drivers/usb/mtu3/mtu3_host.c:61:29: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744071562068032 to 2147483712 [-Wconstant-conversion] val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0; ~ ~~~~~~~~~~^~~~~~~~~~~~~~~ 2 warnings generated. vim +60 drivers/usb/mtu3/mtu3_host.c 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_V1: 54 reg = ssusb->uwk_reg_base + PERI_WK_CTRL1; 55 msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P; 56 val = enable ? (WC1_IS_EN | WC1_IS_C(0x8)) : 0; 57 break; 58 case SSUSB_UWK_V11: 59 reg = ssusb->uwk_reg_base + PERI_WK_CTRL0; > 60 msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; 61 val = enable ? (WC0_IS_EN | WC0_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 CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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