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Message-ID: <202406041546.kXkVH9Ww-lkp@intel.com>
Date: Tue, 4 Jun 2024 16:16:06 +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: llvm@...ts.linux.dev, 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_nkela@...cinc.com,
quic_psodagud@...cinc.com, abel.vesa@...aro.org
Subject: Re: [PATCH V5 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 v6.10-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@intel.com/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@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/202406041546.kXkVH9Ww-lkp@intel.com/
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
--
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https://github.com/intel/lkp-tests/wiki
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