Messages in this thread Patch in this message | | | From | Guru Das Srinagesh <> | Subject | [PATCH v9 02/11] hwmon: pwm-fan: Use 64-bit division macro | Date | Tue, 17 Mar 2020 13:05:17 -0700 |
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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 42ffd2e..283423a 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -437,7 +437,7 @@ 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
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