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Date: Sun, 21 Apr 2024 16:49:28 +0800
From: kernel test robot <lkp@...el.com>
To: Sibi Sankar <quic_sibis@...cinc.com>, sudeep.holla@....com,
cristian.marussi@....com, andersson@...nel.org,
konrad.dybcio@...aro.org, jassisinghbrar@...il.com,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
dmitry.baryshkov@...aro.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
quic_rgottimu@...cinc.com, quic_kshivnan@...cinc.com,
quic_sibis@...cinc.com, conor+dt@...nel.org,
quic_gkohli@...cinc.com, quic_nkela@...cinc.com,
quic_psodagud@...cinc.com
Subject: Re: [PATCH V3 2/5] mailbox: Add support for QTI CPUCP mailbox
controller
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@intel.com/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@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404211602.d8vcGEH0-lkp@intel.com/
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
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