[PATCH v4 08/13] net: ethernet: ti: cpts: drop excessive writes to CTRL and INT_EN regs
From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: 2016-12-05 20:05:47
Also in:
linux-devicetree, linux-omap, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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> --- drivers/net/ethernet/ti/cpts.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 7ab1fa7..fe1bb7f 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);
--
2.10.1