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authorHaojian Zhuang <haojian.zhuang@marvell.com>2011-03-07 23:43:11 +0800
committerSamuel Ortiz <sameo@linux.intel.com>2011-03-23 10:42:06 +0100
commit22aad0011e4728a29bf3775b6f5e2f9677abd8c0 (patch)
tree5553cb04e439928218906e7072b620095e5e4ee3 /drivers/regulator
parent3154c344696e58b7e15317cd624816dbe3832ad1 (diff)
downloadblackbird-op-linux-22aad0011e4728a29bf3775b6f5e2f9677abd8c0.tar.gz
blackbird-op-linux-22aad0011e4728a29bf3775b6f5e2f9677abd8c0.zip
mfd: Adopt mfd_data in 88pm860x regulator
Copy 88pm860x platform data into different mfd_data structure for regulator driver. So move the identification of device node from regulator driver to mfd driver. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/88pm8607.c46
1 files changed, 24 insertions, 22 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index dd6308499bd4..859251250b55 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
+#include <linux/mfd/core.h>
#include <linux/mfd/88pm860x.h>
struct pm8607_regulator_info {
@@ -394,47 +395,48 @@ static struct pm8607_regulator_info pm8607_regulator_info[] = {
PM8607_LDO(14, LDO14, 0, 4, SUPPLIES_EN12, 6),
};
-static inline struct pm8607_regulator_info *find_regulator_info(int id)
+static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
- struct pm8607_regulator_info *info;
+ struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct pm8607_regulator_info *info = NULL;
+ struct regulator_init_data *pdata;
+ struct mfd_cell *cell;
int i;
+ cell = pdev->dev.platform_data;
+ if (cell == NULL)
+ return -ENODEV;
+ pdata = cell->mfd_data;
+ if (pdata == NULL)
+ return -EINVAL;
+
for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
info = &pm8607_regulator_info[i];
- if (info->desc.id == id)
- return info;
+ if (!strcmp(info->desc.name, pdata->constraints.name))
+ break;
}
- return NULL;
-}
-
-static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
-{
- struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm860x_platform_data *pdata = chip->dev->platform_data;
- struct pm8607_regulator_info *info = NULL;
-
- info = find_regulator_info(pdev->id);
- if (info == NULL) {
- dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ if (i > ARRAY_SIZE(pm8607_regulator_info)) {
+ dev_err(&pdev->dev, "Failed to find regulator %s\n",
+ pdata->constraints.name);
return -EINVAL;
}
info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
info->chip = chip;
+ /* check DVC ramp slope double */
+ if (!strcmp(info->desc.name, "BUCK3"))
+ if (info->chip->buck3_double)
+ info->slope_double = 1;
+
info->regulator = regulator_register(&info->desc, &pdev->dev,
- pdata->regulator[pdev->id], info);
+ pdata, info);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
info->desc.name);
return PTR_ERR(info->regulator);
}
- /* check DVC ramp slope double */
- if (info->desc.id == PM8607_ID_BUCK3)
- if (info->chip->buck3_double)
- info->slope_double = 1;
-
platform_set_drvdata(pdev, info);
return 0;
}
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