Hi Bharat, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on groeck-staging/hwmon-next linus/master v6.4-rc1 next-20230509] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Bharat-Bhushan/Watchdog-Add-marvell-GTI-watchdog-driver/20230508-211645 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230508131515.19403-2-bbhushan2%40marvell.com patch subject: [PATCH 2/2 v7] Watchdog: Add marvell GTI watchdog driver config: hexagon-randconfig-r015-20230508 (https://download.01.org/0day-ci/archive/20230509/202305091728.1XZ6IePZ-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111) 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 # https://github.com/intel-lab-lkp/linux/commit/0b1fbcf987da442c837b205256c6400adf6d298e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Bharat-Bhushan/Watchdog-Add-marvell-GTI-watchdog-driver/20230508-211645 git checkout 0b1fbcf987da442c837b205256c6400adf6d298e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/watchdog/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305091728.1XZ6IePZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/watchdog/marvell_gti_wdt.c:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: 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:560:61: 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/watchdog/marvell_gti_wdt.c:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: 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/watchdog/marvell_gti_wdt.c:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: 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:594:59: 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:604:59: 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/watchdog/marvell_gti_wdt.c:89:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] writeq(GTI_CWD_INT_PENDING_STATUS(priv->wdt_timer_idx), ^ drivers/watchdog/marvell_gti_wdt.c:101:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] writeq(GTI_CWD_POKE_VAL, ^ drivers/watchdog/marvell_gti_wdt.c:118:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] writeq(GTI_CWD_INT_PENDING_STATUS(priv->wdt_timer_idx), ^ >> drivers/watchdog/marvell_gti_wdt.c:126:11: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] regval = readq(priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); ^ drivers/watchdog/marvell_gti_wdt.c:139:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] writeq(GTI_CWD_INT_ENA_CLR_VAL(priv->wdt_timer_idx), ^ drivers/watchdog/marvell_gti_wdt.c:143:11: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] regval = readq(priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); ^ drivers/watchdog/marvell_gti_wdt.c:177:11: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] regval = readq(priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); ^ drivers/watchdog/marvell_gti_wdt.c:181:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] writeq(regval, priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); ^ 6 warnings and 8 errors generated. vim +/writeq +89 drivers/watchdog/marvell_gti_wdt.c 82 83 static irqreturn_t gti_wdt_interrupt(int irq, void *data) 84 { 85 struct watchdog_device *wdev = data; 86 struct gti_wdt_priv *priv = watchdog_get_drvdata(wdev); 87 88 /* Clear Interrupt Pending Status */ > 89 writeq(GTI_CWD_INT_PENDING_STATUS(priv->wdt_timer_idx), 90 priv->base + GTI_CWD_INT); 91 92 watchdog_notify_pretimeout(wdev); 93 94 return IRQ_HANDLED; 95 } 96 97 static int gti_wdt_ping(struct watchdog_device *wdev) 98 { 99 struct gti_wdt_priv *priv = watchdog_get_drvdata(wdev); 100 101 writeq(GTI_CWD_POKE_VAL, 102 priv->base + GTI_CWD_POKE(priv->wdt_timer_idx)); 103 104 return 0; 105 } 106 107 static int gti_wdt_start(struct watchdog_device *wdev) 108 { 109 struct gti_wdt_priv *priv = watchdog_get_drvdata(wdev); 110 u64 regval; 111 112 if (!wdev->pretimeout) 113 return -EINVAL; 114 115 set_bit(WDOG_HW_RUNNING, &wdev->status); 116 117 /* Clear any pending interrupt */ 118 writeq(GTI_CWD_INT_PENDING_STATUS(priv->wdt_timer_idx), 119 priv->base + GTI_CWD_INT); 120 121 /* Enable Interrupt */ 122 writeq(GTI_CWD_INT_ENA_SET_VAL(priv->wdt_timer_idx), 123 priv->base + GTI_CWD_INT_ENA_SET); 124 125 /* Set (Interrupt + SCP interrupt (DEL3T) + core domain reset) Mode */ > 126 regval = readq(priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); 127 regval |= GTI_CWD_WDOG_MODE_INT_DEL3T_RST; 128 writeq(regval, priv->base + GTI_CWD_WDOG(priv->wdt_timer_idx)); 129 130 return 0; 131 } 132 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
