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Subject[PATCH] regulator: bcm590xx: Convert to use simplified DT parsing
Date
Use regulator core's simplified DT parsing code to simply the driver
implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/bcm590xx-regulator.c | 105 +------------------------
1 file changed, 2 insertions(+), 103 deletions(-)

diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c
index e49c0a7d5dd5..85ccc93b2bb6 100644
--- a/drivers/regulator/bcm590xx-regulator.c
+++ b/drivers/regulator/bcm590xx-regulator.c
@@ -103,10 +103,6 @@
((n > BCM590XX_REG_VSR) && (n < BCM590XX_REG_VBUS))
#define BCM590XX_REG_IS_VBUS(n) (n == BCM590XX_REG_VBUS)

-struct bcm590xx_board {
- struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS];
-};
-
/* LDO group A: supported voltages in microvolts */
static const unsigned int ldo_a_table[] = {
1200000, 1800000, 2500000, 2700000, 2800000,
@@ -280,105 +276,15 @@ static const struct regulator_ops bcm590xx_ops_vbus = {
.disable = regulator_disable_regmap,
};

-#define BCM590XX_MATCH(_name, _id) \
- { \
- .name = #_name, \
- .driver_data = (void *)&bcm590xx_regs[BCM590XX_REG_##_id], \
- }
-
-static struct of_regulator_match bcm590xx_matches[] = {
- BCM590XX_MATCH(rfldo, RFLDO),
- BCM590XX_MATCH(camldo1, CAMLDO1),
- BCM590XX_MATCH(camldo2, CAMLDO2),
- BCM590XX_MATCH(simldo1, SIMLDO1),
- BCM590XX_MATCH(simldo2, SIMLDO2),
- BCM590XX_MATCH(sdldo, SDLDO),
- BCM590XX_MATCH(sdxldo, SDXLDO),
- BCM590XX_MATCH(mmcldo1, MMCLDO1),
- BCM590XX_MATCH(mmcldo2, MMCLDO2),
- BCM590XX_MATCH(audldo, AUDLDO),
- BCM590XX_MATCH(micldo, MICLDO),
- BCM590XX_MATCH(usbldo, USBLDO),
- BCM590XX_MATCH(vibldo, VIBLDO),
- BCM590XX_MATCH(csr, CSR),
- BCM590XX_MATCH(iosr1, IOSR1),
- BCM590XX_MATCH(iosr2, IOSR2),
- BCM590XX_MATCH(msr, MSR),
- BCM590XX_MATCH(sdsr1, SDSR1),
- BCM590XX_MATCH(sdsr2, SDSR2),
- BCM590XX_MATCH(vsr, VSR),
- BCM590XX_MATCH(gpldo1, GPLDO1),
- BCM590XX_MATCH(gpldo2, GPLDO2),
- BCM590XX_MATCH(gpldo3, GPLDO3),
- BCM590XX_MATCH(gpldo4, GPLDO4),
- BCM590XX_MATCH(gpldo5, GPLDO5),
- BCM590XX_MATCH(gpldo6, GPLDO6),
- BCM590XX_MATCH(vbus, VBUS),
-};
-
-static struct bcm590xx_board *bcm590xx_parse_dt_reg_data(
- struct platform_device *pdev,
- struct of_regulator_match **bcm590xx_reg_matches)
-{
- struct bcm590xx_board *data;
- struct device_node *np = pdev->dev.parent->of_node;
- struct device_node *regulators;
- struct of_regulator_match *matches = bcm590xx_matches;
- int count = ARRAY_SIZE(bcm590xx_matches);
- int idx = 0;
- int ret;
-
- if (!np) {
- dev_err(&pdev->dev, "of node not found\n");
- return NULL;
- }
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return NULL;
-
- np = of_node_get(np);
- regulators = of_get_child_by_name(np, "regulators");
- if (!regulators) {
- dev_warn(&pdev->dev, "regulator node not found\n");
- return NULL;
- }
-
- ret = of_regulator_match(&pdev->dev, regulators, matches, count);
- of_node_put(regulators);
- if (ret < 0) {
- dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
- ret);
- return NULL;
- }
-
- *bcm590xx_reg_matches = matches;
-
- for (idx = 0; idx < count; idx++) {
- if (!matches[idx].init_data || !matches[idx].of_node)
- continue;
-
- data->bcm590xx_pmu_init_data[idx] = matches[idx].init_data;
- }
-
- return data;
-}
-
static int bcm590xx_probe(struct platform_device *pdev)
{
struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent);
- struct bcm590xx_board *pmu_data = NULL;
struct bcm590xx_reg *pmu;
struct regulator_config config = { };
struct bcm590xx_info *info;
- struct regulator_init_data *reg_data;
struct regulator_dev *rdev;
- struct of_regulator_match *bcm590xx_reg_matches = NULL;
int i;

- pmu_data = bcm590xx_parse_dt_reg_data(pdev,
- &bcm590xx_reg_matches);
-
pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL);
if (!pmu)
return -ENOMEM;
@@ -397,13 +303,10 @@ static int bcm590xx_probe(struct platform_device *pdev)
info = bcm590xx_regs;

for (i = 0; i < BCM590XX_NUM_REGS; i++, info++) {
- if (pmu_data)
- reg_data = pmu_data->bcm590xx_pmu_init_data[i];
- else
- reg_data = NULL;
-
/* Register the regulators */
pmu->desc[i].name = info->name;
+ pmu->desc[i].of_match = of_match_ptr(info->name);
+ pmu->desc[i].regulators_node = of_match_ptr("regulators");
pmu->desc[i].supply_name = info->vin_name;
pmu->desc[i].id = i;
pmu->desc[i].volt_table = info->volt_table;
@@ -433,16 +336,12 @@ static int bcm590xx_probe(struct platform_device *pdev)
pmu->desc[i].owner = THIS_MODULE;

config.dev = bcm590xx->dev;
- config.init_data = reg_data;
config.driver_data = pmu;
if (BCM590XX_REG_IS_GPLDO(i) || BCM590XX_REG_IS_VBUS(i))
config.regmap = bcm590xx->regmap_sec;
else
config.regmap = bcm590xx->regmap_pri;

- if (bcm590xx_reg_matches)
- config.of_node = bcm590xx_reg_matches[i].of_node;
-
rdev = devm_regulator_register(&pdev->dev, &pmu->desc[i],
&config);
if (IS_ERR(rdev)) {
--
2.17.1
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