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[v3,08/13] net: ethernet: ti: cpts: drop excessive writes to CTRL and INT_EN regs

Message ID 20161202203023.25526-9-grygorii.strashko@ti.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Grygorii Strashko Dec. 2, 2016, 8:30 p.m. UTC 
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().

Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 drivers/net/ethernet/ti/cpts.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 8266459..a662c33 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -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);