From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756035AbcK1XEf (ORCPT ); Mon, 28 Nov 2016 18:04:35 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:55621 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755867AbcK1XDp (ORCPT ); Mon, 28 Nov 2016 18:03:45 -0500 From: Grygorii Strashko To: "David S. Miller" , , Mugunthan V N , Richard Cochran CC: Sekhar Nori , , , Rob Herring , , Murali Karicheri , Wingman Kwok , Grygorii Strashko Subject: [PATCH v2 10/13] net: ethernet: ti: cpts: drop excessive writes to CTRL and INT_EN regs Date: Mon, 28 Nov 2016 17:03:34 -0600 Message-ID: <20161128230337.6731-11-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20161128230337.6731-1-grygorii.strashko@ti.com> References: <20161128230337.6731-1-grygorii.strashko@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 1b766eb..da3339b 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