From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Thu, 19 Sep 2013 09:24:17 +0200 Subject: [PATCH 1/2] pwm: atmel-tcb: add missing clk source config In-Reply-To: <1379516765-23342-1-git-send-email-b.brezillon@overkiz.com> References: <1379516720-23289-1-git-send-email-b.brezillon@overkiz.com> <1379516765-23342-1-git-send-email-b.brezillon@overkiz.com> Message-ID: <523AA6A1.4070000@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 18/09/2013 17:06, Boris BREZILLON : > Clock source changes are never applied to the CMR register. > This may lead to wrong period/duty cycle configuration. > > Signed-off-by: Boris BREZILLON Acked-by: Nicolas Ferre > --- > drivers/pwm/pwm-atmel-tcb.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c > index ba6ce01..0266969 100644 > --- a/drivers/pwm/pwm-atmel-tcb.c > +++ b/drivers/pwm/pwm-atmel-tcb.c > @@ -249,6 +249,8 @@ static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) > } > } > > + cmr |= (tcbpwm->div & ATMEL_TC_TCCLKS); > + > __raw_writel(cmr, regs + ATMEL_TC_REG(group, CMR)); > > if (index == 0) > -- Nicolas Ferre