From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiubo Li Subject: [PATCH v2 1/3] pwm: ftm: fix one bug of wrong counting the use counter. Date: Wed, 15 Oct 2014 13:21:33 +0800 Message-ID: <1413350495-40980-2-git-send-email-Li.Xiubo@freescale.com> References: <1413350495-40980-1-git-send-email-Li.Xiubo@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-by2on0107.outbound.protection.outlook.com ([207.46.100.107]:60269 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751073AbaJOFW0 (ORCPT ); Wed, 15 Oct 2014 01:22:26 -0400 In-Reply-To: <1413350495-40980-1-git-send-email-Li.Xiubo@freescale.com> Sender: linux-pwm-owner@vger.kernel.org List-Id: linux-pwm@vger.kernel.org To: thierry.reding@gmail.com, linux-pwm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Xiubo Li No matter what times the FTM pwm is enabled, the use_count will always be one. Signed-off-by: Xiubo Li --- drivers/pwm/pwm-fsl-ftm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index 0f2cc7e..1150598 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -299,7 +299,7 @@ static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc) { int ret; - if (fpc->use_count != 0) + if (fpc->use_count++ != 0) return 0; /* select counter clock source */ @@ -316,8 +316,6 @@ static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc) return ret; } - fpc->use_count++; - return 0; } -- 2.1.0.27.g96db324