[kvm:queue 8/8] drivers/ptp/ptp_kvm.c:88:35: error: incompatible type for argument 1 of 'timespec_to_ktime'

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head:   6cd1eaf959a3c27612d13173f0530f4ab6a2ad11
commit: 6cd1eaf959a3c27612d13173f0530f4ab6a2ad11 [8/8] PTP: add kvm PTP driver
config: i386-randconfig-h0-01280042 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 6cd1eaf959a3c27612d13173f0530f4ab6a2ad11
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/ptp/ptp_kvm.c: In function 'ptp_kvm_get_time_fn':
>> drivers/ptp/ptp_kvm.c:88:35: error: incompatible type for argument 1 of 'timespec_to_ktime'
     *device_time = timespec_to_ktime(tspec);
                                      ^~~~~
   In file included from include/linux/rcupdate.h:47:0,
                    from include/linux/idr.h:18,
                    from include/linux/kernfs.h:14,
                    from include/linux/sysfs.h:15,
                    from include/linux/kobject.h:21,
                    from include/linux/device.h:17,
                    from drivers/ptp/ptp_kvm.c:17:
   include/linux/ktime.h:70:23: note: expected 'struct timespec' but argument is of type 'struct timespec64'
    static inline ktime_t timespec_to_ktime(struct timespec ts)
                          ^~~~~~~~~~~~~~~~~

vim +/timespec_to_ktime +88 drivers/ptp/ptp_kvm.c

    82	
    83		preempt_enable_notrace();
    84	
    85		system_counter->cycles = ret;
    86		system_counter->cs = &kvm_clock;
    87	
  > 88		*device_time = timespec_to_ktime(tspec);
    89	
    90		spin_unlock(&kvm_ptp_lock);
    91	

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