public inbox for linux-mediatek@lists.infradead.org
 help / color / mirror / Atom feed
* [PATCH v2] regulator: mt6359: add read check for PMIC MT6359
@ 2023-05-18  4:06 Sen Chu
  2023-05-18  9:32 ` AngeloGioacchino Del Regno
  2023-05-18 17:33 ` Mark Brown
  0 siblings, 2 replies; 5+ messages in thread
From: Sen Chu @ 2023-05-18  4:06 UTC (permalink / raw)
  To: Liam Girdwood, Mark Brown, Matthias Brugger,
	AngeloGioacchino Del Regno
  Cc: linux-kernel, linux-arm-kernel, linux-mediatek, Sen Chu

Add hardware version read check for PMIC MT6359

Signed-off-by: Sen Chu <sen.chu@mediatek.com>
---
Change in v1:
    Fix: this should be if (ret)
    [Sen Chu <sen.chu@mediatek.com>]
---
---
 drivers/regulator/mt6359-regulator.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/mt6359-regulator.c b/drivers/regulator/mt6359-regulator.c
index 1849566784ab..3eb86ec21d08 100644
--- a/drivers/regulator/mt6359-regulator.c
+++ b/drivers/regulator/mt6359-regulator.c
@@ -951,9 +951,12 @@ static int mt6359_regulator_probe(struct platform_device *pdev)
 	struct regulator_config config = {};
 	struct regulator_dev *rdev;
 	struct mt6359_regulator_info *mt6359_info;
-	int i, hw_ver;
+	int i, hw_ver, ret;
+
+	ret = regmap_read(mt6397->regmap, MT6359P_HWCID, &hw_ver);
+	if (ret)
+		return ret;
 
-	regmap_read(mt6397->regmap, MT6359P_HWCID, &hw_ver);
 	if (hw_ver >= MT6359P_CHIP_VER)
 		mt6359_info = mt6359p_regulators;
 	else
-- 
2.18.0



^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2023-05-18 17:33 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-05-18  4:06 [PATCH v2] regulator: mt6359: add read check for PMIC MT6359 Sen Chu
2023-05-18  9:32 ` AngeloGioacchino Del Regno
2023-05-18  9:47   ` Chen-Yu Tsai
2023-05-18  9:51     ` AngeloGioacchino Del Regno
2023-05-18 17:33 ` Mark Brown

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox