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| author | Haojian Zhuang <haojian.zhuang@marvell.com> | 2012-09-17 12:19:07 +0800 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-09-19 12:39:13 +0200 |
| commit | ff13e9e256d49a478b34da3dc380af41e0b9175f (patch) | |
| tree | 2fbcc51221cd758c1805f9d2778084cc4530c8d0 /drivers/regulator/88pm8607.c | |
| parent | e7a7810ae08bfca5cb2cad8a8d55c16f299cc3fe (diff) | |
| download | linux-ff13e9e256d49a478b34da3dc380af41e0b9175f.tar.gz linux-ff13e9e256d49a478b34da3dc380af41e0b9175f.tar.bz2 linux-ff13e9e256d49a478b34da3dc380af41e0b9175f.zip | |
mfd: 88pm860x: Avoid to check resource for preg regulator
Since PREG regulator is the only one regulator in 88PM8606, and other
regulators are in 88PM8607. Checking resource as identifying regulator
is not a good way. We can use NULL resource to indentify PREG regulator.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/regulator/88pm8607.c')
| -rw-r--r-- | drivers/regulator/88pm8607.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index d34bd8c5ad08..f96fbe38ff6f 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c @@ -358,7 +358,9 @@ static struct pm8607_regulator_info pm8607_regulator_info[] = { PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), +}; +static struct pm8607_regulator_info pm8606_regulator_info[] = { PM8606_PREG(PREREGULATORB, 5), }; @@ -372,19 +374,23 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev) int i; res = platform_get_resource(pdev, IORESOURCE_REG, 0); - if (res == NULL) { - dev_err(&pdev->dev, "No REG resource!\n"); - return -EINVAL; - } - for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { - info = &pm8607_regulator_info[i]; - if (info->desc.vsel_reg == res->start) - break; - } - if (i == ARRAY_SIZE(pm8607_regulator_info)) { - dev_err(&pdev->dev, "Failed to find regulator %llu\n", - (unsigned long long)res->start); - return -EINVAL; + if (res) { + /* There're resources in 88PM8607 regulator driver */ + for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { + info = &pm8607_regulator_info[i]; + if (info->desc.vsel_reg == res->start) + break; + } + if (i == ARRAY_SIZE(pm8607_regulator_info)) { + dev_err(&pdev->dev, "Failed to find regulator %llu\n", + (unsigned long long)res->start); + return -EINVAL; + } + } else { + /* There's no resource in 88PM8606 PREG regulator driver */ + info = &pm8606_regulator_info[0]; + /* i is used to check regulator ID */ + i = -1; } info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion : |