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Signed-off-by: Wang Qing --- drivers/hid/intel-ish-hid/ipc/ipc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index 8ccb246..15e1423 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -578,7 +578,7 @@ static void _ish_sync_fw_clock(struct ishtp_device *dev) static unsigned long prev_sync; uint64_t usec; - if (prev_sync && jiffies - prev_sync < 20 * HZ) + if (prev_sync && time_before(jiffies, prev_sync + 20 * HZ)) return; prev_sync = jiffies; -- 2.7.4