From: Guru Das Srinagesh <gurus@codeaurora.org>
To: linux-pwm@vger.kernel.org
Cc: "Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Subbaraman Narayanamurthy" <subbaram@codeaurora.org>,
"David Collins" <collinsd@codeaurora.org>,
linux-kernel@vger.kernel.org,
"Guru Das Srinagesh" <gurus@codeaurora.org>,
"Kamil Debski" <kamil@wypas.org>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"Jean Delvare" <jdelvare@suse.com>,
"Guenter Roeck" <linux@roeck-us.net>,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
linux-hwmon@vger.kernel.org
Subject: [PATCH v12 02/11] hwmon: pwm-fan: Use 64-bit division macro
Date: Wed, 8 Apr 2020 23:52:31 -0700 [thread overview]
Message-ID: <57dc832db730c7bdbc8ab20a9099bcff3c890a32.1586414867.git.gurus@codeaurora.org> (raw)
In-Reply-To: <cover.1586414867.git.gurus@codeaurora.org>
In-Reply-To: <cover.1586414867.git.gurus@codeaurora.org>
Since the PWM framework is switching struct pwm_args.period's datatype
to u64, prepare for this transition by using DIV_ROUND_UP_ULL to handle
a 64-bit dividend.
Cc: Kamil Debski <kamil@wypas.org>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-hwmon@vger.kernel.org
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/hwmon/pwm-fan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 30b7b3e..17bb642 100644
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -447,7 +447,7 @@ static int pwm_fan_resume(struct device *dev)
return 0;
pwm_get_args(ctx->pwm, &pargs);
- duty = DIV_ROUND_UP(ctx->pwm_value * (pargs.period - 1), MAX_PWM);
+ duty = DIV_ROUND_UP_ULL(ctx->pwm_value * (pargs.period - 1), MAX_PWM);
ret = pwm_config(ctx->pwm, duty, pargs.period);
if (ret)
return ret;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-04-09 6:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 6:52 [PATCH v12 00/11] Convert PWM period and duty cycle to u64 Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 01/11] drm/i915: Use 64-bit division macro Guru Das Srinagesh
2020-04-09 6:52 ` Guru Das Srinagesh [this message]
2020-04-09 6:52 ` [PATCH v12 03/11] ir-rx51: " Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 04/11] pwm: clps711x: Cast period to u32 before use as divisor Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 05/11] pwm: pwm-imx-tpm: Use 64-bit division macro Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 06/11] pwm: imx27: Use 64-bit division macro and function Guru Das Srinagesh
2020-04-10 19:16 ` Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 07/11] pwm: sifive: Use 64-bit division macro Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 08/11] pwm: sun4i: Use nsecs_to_jiffies to avoid a division Guru Das Srinagesh
2020-04-10 19:20 ` Guru Das Srinagesh
2020-04-11 5:49 ` Chen-Yu Tsai
2020-04-09 6:52 ` [PATCH v12 09/11] backlight: pwm_bl: Use 64-bit division function Guru Das Srinagesh
2020-04-16 9:44 ` Lee Jones
2020-04-16 17:55 ` Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 10/11] clk: pwm: " Guru Das Srinagesh
2020-04-10 19:15 ` Guru Das Srinagesh
2020-04-09 6:52 ` [PATCH v12 11/11] pwm: core: Convert period and duty cycle to u64 Guru Das Srinagesh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=57dc832db730c7bdbc8ab20a9099bcff3c890a32.1586414867.git.gurus@codeaurora.org \
--to=gurus@codeaurora.org \
--cc=b.zolnierkie@samsung.com \
--cc=broonie@kernel.org \
--cc=collinsd@codeaurora.org \
--cc=jdelvare@suse.com \
--cc=kamil@wypas.org \
--cc=lgirdwood@gmail.com \
--cc=linux-hwmon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=subbaram@codeaurora.org \
--cc=thierry.reding@gmail.com \
--cc=u.kleine-koenig@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).