diff options
| author | Sen Chu <sen.chu@mediatek.com> | 2023-05-18 07:06:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-30 16:03:33 +0300 |
| commit | be4022669e66ffdae7602240b2b55799e6e7cd0e (patch) | |
| tree | cf04038b501e1735aa45e44f9ddd63fa858cf847 /drivers/regulator | |
| parent | 22157f74458106c5900dbd938eb44623c22d97a0 (diff) | |
| download | linux-be4022669e66ffdae7602240b2b55799e6e7cd0e.tar.xz | |
regulator: mt6359: add read check for PMIC MT6359
commit a511637502b1caa135046d0f8fdabd55a31af8ef upstream.
Add hardware version read check for PMIC MT6359
Signed-off-by: Sen Chu <sen.chu@mediatek.com
Fixes: 4cfc96547512 ("regulator: mt6359: Add support for MT6359P regulator")
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com
Link: https://lore.kernel.org/r/20230518040646.8730-1-sen.chu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/mt6359-regulator.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/regulator/mt6359-regulator.c b/drivers/regulator/mt6359-regulator.c index de3b0462832c..f94f87c5407a 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 |