Hi André, kernel test robot noticed the following build errors: [auto build test ERROR on a59668a9397e7245b26e9be85d23f242ff757ae8] url: https://github.com/intel-lab-lkp/linux/commits/Andr-Draszik/dt-bindings-phy-samsung-usb3-drd-phy-add-gs101-compatible/20240424-011137 base: a59668a9397e7245b26e9be85d23f242ff757ae8 patch link: https://lore.kernel.org/r/20240423-usb-phy-gs101-v1-4-ebdcb3ac174d%40linaro.org patch subject: [PATCH 4/7] phy: exynos5-usbdrd: set ref clk freq in exynos850_usbdrd_utmi_init() config: hexagon-randconfig-r123-20240424 (https://download.01.org/0day-ci/archive/20240424/202404241533.iud4U7SP-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce: (https://download.01.org/0day-ci/archive/20240424/202404241533.iud4U7SP-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404241533.iud4U7SP-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/phy/samsung/phy-exynos5-usbdrd.c:13: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/phy/samsung/phy-exynos5-usbdrd.c:13: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/phy/samsung/phy-exynos5-usbdrd.c:13: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> drivers/phy/samsung/phy-exynos5-usbdrd.c:798:10: error: call to undeclared function 'FIELD_PREP_CONST'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 7); ^ 6 warnings and 1 error generated. vim +/FIELD_PREP_CONST +798 drivers/phy/samsung/phy-exynos5-usbdrd.c 750 751 static void exynos850_usbdrd_utmi_init(struct exynos5_usbdrd_phy *phy_drd) 752 { 753 void __iomem *regs_base = phy_drd->reg_phy; 754 u32 reg; 755 756 /* 757 * Disable HWACG (hardware auto clock gating control). This will force 758 * QACTIVE signal in Q-Channel interface to HIGH level, to make sure 759 * the PHY clock is not gated by the hardware. 760 */ 761 reg = readl(regs_base + EXYNOS850_DRD_LINKCTRL); 762 reg |= LINKCTRL_FORCE_QACT; 763 writel(reg, regs_base + EXYNOS850_DRD_LINKCTRL); 764 765 /* Start PHY Reset (POR=high) */ 766 reg = readl(regs_base + EXYNOS850_DRD_CLKRST); 767 reg |= CLKRST_PHY_SW_RST; 768 writel(reg, regs_base + EXYNOS850_DRD_CLKRST); 769 770 /* Enable UTMI+ */ 771 reg = readl(regs_base + EXYNOS850_DRD_UTMI); 772 reg &= ~(UTMI_FORCE_SUSPEND | UTMI_FORCE_SLEEP | UTMI_DP_PULLDOWN | 773 UTMI_DM_PULLDOWN); 774 writel(reg, regs_base + EXYNOS850_DRD_UTMI); 775 776 /* Set PHY clock and control HS PHY */ 777 reg = readl(regs_base + EXYNOS850_DRD_HSP); 778 reg |= HSP_EN_UTMISUSPEND | HSP_COMMONONN; 779 writel(reg, regs_base + EXYNOS850_DRD_HSP); 780 781 /* Set VBUS Valid and D+ pull-up control by VBUS pad usage */ 782 reg = readl(regs_base + EXYNOS850_DRD_LINKCTRL); 783 reg |= LINKCTRL_BUS_FILTER_BYPASS(0xf); 784 writel(reg, regs_base + EXYNOS850_DRD_LINKCTRL); 785 786 reg = readl(regs_base + EXYNOS850_DRD_UTMI); 787 reg |= UTMI_FORCE_BVALID | UTMI_FORCE_VBUSVALID; 788 writel(reg, regs_base + EXYNOS850_DRD_UTMI); 789 790 reg = readl(regs_base + EXYNOS850_DRD_HSP); 791 reg |= HSP_VBUSVLDEXT | HSP_VBUSVLDEXTSEL; 792 writel(reg, regs_base + EXYNOS850_DRD_HSP); 793 794 reg = readl(regs_base + EXYNOS850_DRD_SSPPLLCTL); 795 reg &= ~SSPPLLCTL_FSEL; 796 switch (phy_drd->extrefclk) { 797 case EXYNOS5_FSEL_50MHZ: > 798 reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 7); 799 break; 800 case EXYNOS5_FSEL_26MHZ: 801 reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 6); 802 break; 803 case EXYNOS5_FSEL_24MHZ: 804 reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 2); 805 break; 806 case EXYNOS5_FSEL_20MHZ: 807 reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 1); 808 break; 809 case EXYNOS5_FSEL_19MHZ2: 810 reg |= FIELD_PREP_CONST(SSPPLLCTL_FSEL, 0); 811 break; 812 default: 813 dev_warn(phy_drd->dev, "unsupported ref clk: %#.2x\n", 814 phy_drd->extrefclk); 815 break; 816 } 817 writel(reg, regs_base + EXYNOS850_DRD_SSPPLLCTL); 818 819 /* Power up PHY analog blocks */ 820 reg = readl(regs_base + EXYNOS850_DRD_HSP_TEST); 821 reg &= ~HSP_TEST_SIDDQ; 822 writel(reg, regs_base + EXYNOS850_DRD_HSP_TEST); 823 824 /* Finish PHY reset (POR=low) */ 825 udelay(10); /* required before doing POR=low */ 826 reg = readl(regs_base + EXYNOS850_DRD_CLKRST); 827 reg &= ~(CLKRST_PHY_SW_RST | CLKRST_PORT_RST); 828 writel(reg, regs_base + EXYNOS850_DRD_CLKRST); 829 udelay(75); /* required after POR=low for guaranteed PHY clock */ 830 831 /* Disable single ended signal out */ 832 reg = readl(regs_base + EXYNOS850_DRD_HSP); 833 reg &= ~HSP_FSV_OUT_EN; 834 writel(reg, regs_base + EXYNOS850_DRD_HSP); 835 } 836 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
