[sashal-linux-stable:queue-4.14 63/74] drivers/pci/switch/switchtec.c:901:18: error: implicit declaration of function 'readq'; did you mean 'readl'?

[sashal-linux-stable:queue-4.14 63/74] drivers/pci/switch/switchtec.c:901:18: error: implicit declaration of function 'readq'; did you mean 'readl'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.14
head:   d732fc2b4c49f2b5b731df21fba3db570bd7d9f4
commit: c0a7f0c0fb257e3b782f17ecc7647798fcdd9c88 [63/74] PCI/switchtec: Read all 64 bits of part_event_bitmap
config: xtensa-randconfig-a001-20200102 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c0a7f0c0fb257e3b782f17ecc7647798fcdd9c88
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=xtensa 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/pci/switch/switchtec.c: In function 'ioctl_event_summary':
>> drivers/pci/switch/switchtec.c:901:18: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
     s.part_bitmap = readq(&stdev->mmio_sw_event->part_event_bitmap);
                     ^~~~~
                     readl
   cc1: some warnings being treated as errors

vim +901 drivers/pci/switch/switchtec.c

   891	
   892	static int ioctl_event_summary(struct switchtec_dev *stdev,
   893		struct switchtec_user *stuser,
   894		struct switchtec_ioctl_event_summary __user *usum)
   895	{
   896		struct switchtec_ioctl_event_summary s = {0};
   897		int i;
   898		u32 reg;
   899	
   900		s.global = ioread32(&stdev->mmio_sw_event->global_summary);
 > 901		s.part_bitmap = readq(&stdev->mmio_sw_event->part_event_bitmap);
   902		s.local_part = ioread32(&stdev->mmio_part_cfg->part_event_summary);
   903	
   904		for (i = 0; i < stdev->partition_count; i++) {
   905			reg = ioread32(&stdev->mmio_part_cfg_all[i].part_event_summary);
   906			s.part[i] = reg;
   907		}
   908	
   909		for (i = 0; i < SWITCHTEC_MAX_PFF_CSR; i++) {
   910			reg = ioread16(&stdev->mmio_pff_csr[i].vendor_id);
   911			if (reg != MICROSEMI_VENDOR_ID)
   912				break;
   913	
   914			reg = ioread32(&stdev->mmio_pff_csr[i].pff_event_summary);
   915			s.pff[i] = reg;
   916		}
   917	
   918		if (copy_to_user(usum, &s, sizeof(s)))
   919			return -EFAULT;
   920	
   921		stuser->event_cnt = atomic_read(&stdev->event_cnt);
   922	
   923		return 0;
   924	}
   925	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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