Messages in this thread Patch in this message | | | From | Li Qiong <> | Subject | [PATCH 1/2] HID: intel-ish-hid: ipc: use time_before to replace "jiffies < a" | Date | Mon, 6 Jun 2022 21:47:50 +0800 |
| |
time_before deals with timer wrapping correctly.
Signed-off-by: Li Qiong <liqiong@nfschina.com> --- 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 8ccb246b0114..15e14239af82 100644 --- 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; -- 2.25.1
| |