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From: Thierry Reding <thierry.reding@gmail.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] pwm: imx27: Fix rounding behavior
Date: Tue, 2 Jun 2020 14:48:35 +0200	[thread overview]
Message-ID: <20200602124835.GF3360525@ulmo> (raw)
In-Reply-To: <20200416080245.3203-1-u.kleine-koenig@pengutronix.de>

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On Thu, Apr 16, 2020 at 10:02:45AM +0200, Uwe Kleine-König wrote:
> To not trigger the warnings provided by CONFIG_PWM_DEBUG
> 
>  - use up-rounding in .get_state()
>  - don't divide by the result of a division
>  - don't use the rounded counter value for the period length to calculate
>    the counter value for the duty cycle
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
>  drivers/pwm/pwm-imx27.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)

Applied, thanks.

Thierry

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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: linux-pwm@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] pwm: imx27: Fix rounding behavior
Date: Tue, 2 Jun 2020 14:48:35 +0200	[thread overview]
Message-ID: <20200602124835.GF3360525@ulmo> (raw)
In-Reply-To: <20200416080245.3203-1-u.kleine-koenig@pengutronix.de>


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On Thu, Apr 16, 2020 at 10:02:45AM +0200, Uwe Kleine-König wrote:
> To not trigger the warnings provided by CONFIG_PWM_DEBUG
> 
>  - use up-rounding in .get_state()
>  - don't divide by the result of a division
>  - don't use the rounded counter value for the period length to calculate
>    the counter value for the duty cycle
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
>  drivers/pwm/pwm-imx27.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)

Applied, thanks.

Thierry

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  reply	other threads:[~2020-06-02 12:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-16  8:02 [PATCH] pwm: imx27: Fix rounding behavior Uwe Kleine-König
2020-06-02 12:48 ` Thierry Reding [this message]
2020-06-02 12:48   ` Thierry Reding
2020-06-02 20:42   ` Guru Das Srinagesh
2020-06-02 22:36     ` Guru Das Srinagesh
2020-06-02 22:36       ` Guru Das Srinagesh

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