linux-kernel - Re: [PATCH v9 1/2] pwm: kona: Modify settings application sequence

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Message-ID: <20150817142542.GC6891@ulmo.nvidia.com>
Date:	Mon, 17 Aug 2015 16:25:43 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Jonathan Richardson <jonathar@...adcom.com>
Cc:	Tim Kryger <tim.kryger@...il.com>,
	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazau <anatol@...gle.com>,
	Arun Ramamurthy <arun.ramamurthy@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
	linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [PATCH v9 1/2] pwm: kona: Modify settings application sequence

On Mon, Jun 15, 2015 at 02:21:01PM -0700, Jonathan Richardson wrote:
> Update the driver so that settings are applied in accordance with the
> most recent version of the hardware spec.  The revised sequence clears
> the trigger bit, waits 400ns, writes settings, sets the trigger bit,
> and waits another 400ns.  This corrects an issue where occasionally a
> requested change was not properly reflected in the PWM output.
> 
> Reviewed-by: Arun Ramamurthy <arunrama@...adcom.com>
> Reviewed-by: Scott Branden <sbranden@...adcom.com>
> Tested-by: Scott Branden <sbranden@...adcom.com>
> Reviewed-by: Tim Kryger <tim.kryger@...il.com>
> Signed-off-by: Jonathan Richardson <jonathar@...adcom.com>
> ---
>  drivers/pwm/pwm-bcm-kona.c |   47 +++++++++++++++++++++++++++++++++++---------
>  1 file changed, 38 insertions(+), 9 deletions(-)

Applied, thanks.

Thierry

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