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Subject[PATCH V3 1/4] pwm: tegra: Use DIV_ROUND_CLOSEST_ULL() instead of local implementation
Date
Use macro DIV_ROUND_CLOSEST_ULL() for 64bit division to closest one
instead of implementing the same locally. This increase readability.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>

---
Changes from v1:
- None

Changes from V2:
- Fix typo in commit message.
---
drivers/pwm/pwm-tegra.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index e464784..0a688da 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -85,8 +85,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
* nearest integer during division.
*/
c *= (1 << PWM_DUTY_WIDTH);
- c += period_ns / 2;
- do_div(c, period_ns);
+ c = DIV_ROUND_CLOSEST_ULL(c, period_ns);

val = (u32)c << PWM_DUTY_SHIFT;

--
2.1.4
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