Messages in this thread Patch in this message | | | From | Sen Chu <> | Subject | [PATCH v2] regulator: mt6359: add read check for PMIC MT6359 | Date | Thu, 18 May 2023 12:06:46 +0800 |
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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
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