linux-kernel - [PATCH 2/2] regulator: s2mps11: Don't check enable

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Date:	Fri, 21 Mar 2014 16:16:24 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Sachin Kamat <sachin.kamat@...aro.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] regulator: s2mps11: Don't check enable_shift before
 setting enable ramp rate

Current code misses updating the register when enable_shift is 0.
e.g. S2MPS11_BUCK9_RAMP_SHIFT and S2MPS11_BUCK6_RAMP_EN_SHIFT are 0.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/s2mps11.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 68fd547..e713c16 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -202,13 +202,11 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 	if (!ramp_enable)
 		goto ramp_disable;
 
-	if (enable_shift) {
-		ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
-					1 << enable_shift, 1 << enable_shift);
-		if (ret) {
-			dev_err(&rdev->dev, "failed to enable ramp rate\n");
-			return ret;
-		}
+	ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
+				 1 << enable_shift, 1 << enable_shift);
+	if (ret) {
+		dev_err(&rdev->dev, "failed to enable ramp rate\n");
+		return ret;
 	}
 
 	ramp_val = get_ramp_delay(ramp_delay);
-- 
1.8.3.2



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