HID: intel-ish-hid: ipc: use time_before to replace "jiffies < a"

time_before deals with timer wrapping correctly.

Signed-off-by: Li Qiong <liqiong@nfschina.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c
index 8ccb246..15e1423 100644 (file)
--- 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;