net: ethernet: ti: cpts: drop excessive writes to CTRL and INT_EN regs
authorGrygorii Strashko <grygorii.strashko@ti.com>
Wed, 7 Dec 2016 00:00:40 +0000 (18:00 -0600)
committerDavid S. Miller <davem@davemloft.net>
Wed, 7 Dec 2016 16:13:47 +0000 (11:13 -0500)
CPTS module and IRQs are always enabled when CPTS is registered,
before starting overflow check work, and disabled during
deregistration, when overflow check work has been canceled already.
So, It doesn't require to (re)enable CPTS module and IRQs in
cpts_overflow_check().

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/ti/cpts.c

index 7ab1fa73c0c0e4d69e192ee32f988ae213312089..fe1bb7f02f2e422b5b2062a90f965983fc1ac6ec 100644 (file)
@@ -243,8 +243,6 @@ static void cpts_overflow_check(struct work_struct *work)
        struct timespec64 ts;
        struct cpts *cpts = container_of(work, struct cpts, overflow_work.work);
 
-       cpts_write32(cpts, CPTS_EN, control);
-       cpts_write32(cpts, TS_PEND_EN, int_enable);
        cpts_ptp_gettime(&cpts->info, &ts);
        pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
        schedule_delayed_work(&cpts->overflow_work, CPTS_OVERFLOW_PERIOD);