Hi Sibi, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.9-rc4 next-20240419] [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/Sibi-Sankar/dt-bindings-mailbox-qcom-Add-CPUCP-mailbox-controller-bindings/20240417-213339 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240417132856.1106250-3-quic_sibis%40quicinc.com patch subject: [PATCH V3 2/5] mailbox: Add support for QTI CPUCP mailbox controller config: hexagon-randconfig-r121-20240421 (https://download.01.org/0day-ci/archive/20240421/202404211602.d8vcGEH0-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20240421/202404211602.d8vcGEH0-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/202404211602.d8vcGEH0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/mailbox/qcom-cpucp-mbox.c:6: 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:328: 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/mailbox/qcom-cpucp-mbox.c:6: 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:328: 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/mailbox/qcom-cpucp-mbox.c:6: 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:328: 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/mailbox/qcom-cpucp-mbox.c:61:11: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT); ^ >> drivers/mailbox/qcom-cpucp-mbox.c:71:4: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR); ^ drivers/mailbox/qcom-cpucp-mbox.c:85:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] val = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); ^ drivers/mailbox/qcom-cpucp-mbox.c:87:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(val, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); ^ drivers/mailbox/qcom-cpucp-mbox.c:98:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] val = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); ^ drivers/mailbox/qcom-cpucp-mbox.c:100:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(val, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); ^ drivers/mailbox/qcom-cpucp-mbox.c:140:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(0, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); ^ 6 warnings and 7 errors generated. vim +/readq +61 drivers/mailbox/qcom-cpucp-mbox.c 51 52 static irqreturn_t qcom_cpucp_mbox_irq_fn(int irq, void *data) 53 { 54 struct qcom_cpucp_mbox *cpucp = data; 55 struct mbox_chan *chan; 56 unsigned long flags; 57 u64 status; 58 u32 val; 59 int i; 60 > 61 status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT); 62 63 for (i = 0; i < APSS_CPUCP_IPC_CHAN_SUPPORTED; i++) { 64 val = 0; 65 if (status & BIT(i)) { 66 val = readl(cpucp->rx_base + APSS_CPUCP_RX_MBOX_CMD(i) + APSS_CPUCP_MBOX_CMD_OFF); 67 chan = &cpucp->chans[i]; 68 spin_lock_irqsave(&chan->lock, flags); 69 if (chan->cl) 70 mbox_chan_received_data(chan, &val); > 71 writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR); 72 spin_unlock_irqrestore(&chan->lock, flags); 73 } 74 } 75 76 return IRQ_HANDLED; 77 } 78 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
