From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: thierry.reding@gmail.com, linux-pwm@vger.kernel.org,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 4/4] pwm: rcar: improve calculation of divider
Date: Tue, 8 Jan 2019 08:49:40 +0100 [thread overview]
Message-ID: <20190108074940.c24bwov6uzotlmxg@pengutronix.de> (raw)
In-Reply-To: <1546918094-13960-5-git-send-email-yoshihiro.shimoda.uh@renesas.com>
On Tue, Jan 08, 2019 at 12:28:14PM +0900, Yoshihiro Shimoda wrote:
> The rcar_pwm_get_clock_division() has a loop to calculate the divider,
> but the value of div should be calculatable without a loop. So,
> this patch improves it.
>
> This algorithm is suggested by Uwe Kleine-König and Laurent Pinchart.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2019-01-08 7:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-08 3:28 [PATCH v2 0/4] pwm: rcar: Add support "atomic" API and improve calculation Yoshihiro Shimoda
2019-01-08 3:28 ` [PATCH v2 1/4] pwm: rcar: Add support "atomic" API Yoshihiro Shimoda
2019-01-08 7:43 ` Uwe Kleine-König
2019-01-08 8:11 ` Yoshihiro Shimoda
2019-01-08 3:28 ` [PATCH v2 2/4] pwm: rcar: Use "atomic" API on rcar_pwm_resume() Yoshihiro Shimoda
2019-01-08 7:47 ` Uwe Kleine-König
2019-01-08 8:46 ` Yoshihiro Shimoda
2019-01-08 9:12 ` Uwe Kleine-König
2019-01-08 8:56 ` Geert Uytterhoeven
2019-01-08 9:19 ` Uwe Kleine-König
2019-01-08 9:35 ` Geert Uytterhoeven
2019-01-10 9:51 ` Uwe Kleine-König
2019-01-08 3:28 ` [PATCH v2 3/4] pwm: rcar: remove legacy APIs Yoshihiro Shimoda
2019-01-08 7:49 ` Uwe Kleine-König
2019-01-08 3:28 ` [PATCH v2 4/4] pwm: rcar: improve calculation of divider Yoshihiro Shimoda
2019-01-08 7:49 ` Uwe Kleine-König [this message]
2019-01-08 8:21 ` Geert Uytterhoeven
2019-01-08 9:30 ` Yoshihiro Shimoda
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