[linux-next:master 11543/13349] drivers/mailbox/qcom-cpucp-mbox.c:54:18: error: implicit declaration of function 'readq'; did you mean 'readb'?

[linux-next:master 11543/13349] drivers/mailbox/qcom-cpucp-mbox.c:54:18: error: implicit declaration of function 'readq'; did you mean 'readb'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   797012914d2d031430268fe512af0ccd7d8e46ef
commit: 0e2a9a03106cd5fa0dbc9047675e7645c55e2669 [11543/13349] mailbox: Add support for QTI CPUCP mailbox controller
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20240718/202407180959.HbXuMk9S-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240718/202407180959.HbXuMk9S-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407180959.HbXuMk9S-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/mailbox/qcom-cpucp-mbox.c: In function 'qcom_cpucp_mbox_irq_fn':
>> drivers/mailbox/qcom-cpucp-mbox.c:54:18: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Wimplicit-function-declaration]
      54 |         status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT);
         |                  ^~~~~
         |                  readb
>> drivers/mailbox/qcom-cpucp-mbox.c:65:17: error: implicit declaration of function 'writeq'; did you mean 'writeb'? [-Wimplicit-function-declaration]
      65 |                 writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR);
         |                 ^~~~~~
         |                 writeb


vim +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