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 v6.10-rc2 next-20240604] [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/20240604-050256 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240603205859.2212225-3-quic_sibis%40quicinc.com patch subject: [PATCH V5 2/5] mailbox: Add support for QTI CPUCP mailbox controller config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240604/202406041546.kXkVH9Ww-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240604/202406041546.kXkVH9Ww-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/202406041546.kXkVH9Ww-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/mailbox/qcom-cpucp-mbox.c:7: 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: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] 548 | 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] 561 | 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' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/mailbox/qcom-cpucp-mbox.c:7: 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: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] 574 | 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' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/mailbox/qcom-cpucp-mbox.c:7: 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: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] 585 | __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] 595 | __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] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> drivers/mailbox/qcom-cpucp-mbox.c:54:11: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 54 | status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT); | ^ >> drivers/mailbox/qcom-cpucp-mbox.c:65:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 65 | writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR); | ^ drivers/mailbox/qcom-cpucp-mbox.c:78:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 78 | val = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); | ^ drivers/mailbox/qcom-cpucp-mbox.c:80:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 80 | writeq(val, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); | ^ drivers/mailbox/qcom-cpucp-mbox.c:91:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 91 | val = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); | ^ drivers/mailbox/qcom-cpucp-mbox.c:93:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 93 | writeq(val, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); | ^ drivers/mailbox/qcom-cpucp-mbox.c:132:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 132 | writeq(0, cpucp->rx_base + APSS_CPUCP_RX_MBOX_EN); | ^ 6 warnings and 7 errors generated. vim +/readq +54 drivers/mailbox/qcom-cpucp-mbox.c 47 48 static irqreturn_t qcom_cpucp_mbox_irq_fn(int irq, void *data) 49 { 50 struct qcom_cpucp_mbox *cpucp = data; 51 u64 status; 52 int i; 53 > 54 status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT); 55 56 for_each_set_bit(i, (unsigned long *)&status, APSS_CPUCP_IPC_CHAN_SUPPORTED) { 57 u32 val = readl(cpucp->rx_base + APSS_CPUCP_RX_MBOX_CMD(i) + APSS_CPUCP_MBOX_CMD_OFF); 58 struct mbox_chan *chan = &cpucp->chans[i]; 59 unsigned long flags; 60 61 /* Provide mutual exclusion with changes to chan->cl */ 62 spin_lock_irqsave(&chan->lock, flags); 63 if (chan->cl) 64 mbox_chan_received_data(chan, &val); > 65 writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR); 66 spin_unlock_irqrestore(&chan->lock, flags); 67 } 68 69 return IRQ_HANDLED; 70 } 71 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
