openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

mfd: Avoid to use constraint name in 88pm860x regulator driver 

Avoid to use constraint name in regulator driver. So use regulator id is used
instead in platform driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Haojian Zhuang 2011-05-06 17:21:23 +08:00 committed by Samuel Ortiz
parent ebf9988eca
commit 586e1a1763
2 changed files with 21 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/mfd/88pm860x-core.c
View File

@ -578,7 +578,7 @@ static void __devinit device_regulator_init(struct pm860x_chip *chip,
{
struct regulator_init_data *initdata;
int ret;
int i, j;
int i, seq;
if ((pdata == NULL) || (pdata->regulator == NULL))
return;
@ -586,40 +586,21 @@ static void __devinit device_regulator_init(struct pm860x_chip *chip,
if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
pdata->num_regulators = ARRAY_SIZE(regulator_devs);
for (i = 0, j = -1; i < pdata->num_regulators; i++) {
for (i = 0, seq = -1; i < pdata->num_regulators; i++) {
initdata = &pdata->regulator[i];
if (strstr(initdata->constraints.name, "BUCK")) {
sscanf(initdata->constraints.name, "BUCK%d", &j);
/* BUCK1 ~ BUCK3 */
if ((j < 1) || (j > 3)) {
dev_err(chip->dev, "Failed to add constraint "
"(%s)\n", initdata->constraints.name);
goto out;
}
j = (j - 1) + PM8607_ID_BUCK1;
}
if (strstr(initdata->constraints.name, "LDO")) {
sscanf(initdata->constraints.name, "LDO%d", &j);
/* LDO1 ~ LDO15 */
if ((j < 1) || (j > 15)) {
dev_err(chip->dev, "Failed to add constraint "
"(%s)\n", initdata->constraints.name);
goto out;
}
j = (j - 1) + PM8607_ID_LDO1;
}
if (j == -1) {
dev_err(chip->dev, "Failed to add constraint (%s)\n",
initdata->constraints.name);
seq = *(unsigned int *)initdata->driver_data;
if ((seq < 0) || (seq > PM8607_ID_RG_MAX)) {
dev_err(chip->dev, "Wrong ID(%d) on regulator(%s)\n",
seq, initdata->constraints.name);
goto out;
}
regulator_devs[i].platform_data = &pdata->regulator[i];
regulator_devs[i].pdata_size = sizeof(struct regulator_init_data);
regulator_devs[i].num_resources = 1;
regulator_devs[i].resources = &regulator_resources[j];
regulator_devs[i].resources = &regulator_resources[seq];
ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
&regulator_resources[j], 0);
&regulator_resources[seq], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add regulator subdev\n");
goto out;

23
drivers/regulator/88pm8607.c
View File

@ -398,32 +398,33 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct pm8607_regulator_info *info = NULL;
struct regulator_init_data *pdata;
struct regulator_init_data *pdata = pdev->dev.platform_data;
struct resource *res;
int i;
pdata = pdev->dev.platform_data;
if (pdata == NULL)
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (res == NULL) {
dev_err(&pdev->dev, "No I/O resource!\n");
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
info = &pm8607_regulator_info[i];
if (!strcmp(info->desc.name, pdata->constraints.name))
if (info->desc.id == res->start)
break;
}
if (i > ARRAY_SIZE(pm8607_regulator_info)) {
dev_err(&pdev->dev, "Failed to find regulator %s\n",
pdata->constraints.name);
if ((i < 0) || (i > PM8607_ID_RG_MAX)) {
dev_err(&pdev->dev, "Failed to find regulator %d\n",
res->start);
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)
if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
info->slope_double = 1;
/* replace driver_data with info */
info->regulator = regulator_register(&info->desc, &pdev->dev,
pdata, info);
if (IS_ERR(info->regulator)) {