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Subject[PATCH 2/3] regulator: db8500-prcmu: Convert to use simplified DT parsing
Date
Use regulator core's simplified DT parsing code to simplify the driver
implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/db8500-prcmu.c | 139 ++++++++++---------------------
1 file changed, 42 insertions(+), 97 deletions(-)

diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 863bd3de42a7..c2a3ccfc510e 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -214,6 +214,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VAPE] = {
.desc = {
.name = "db8500-vape",
+ .of_match = of_match_ptr("db8500_vape"),
.id = DB8500_REGULATOR_VAPE,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -223,6 +224,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VARM] = {
.desc = {
.name = "db8500-varm",
+ .of_match = of_match_ptr("db8500_varm"),
.id = DB8500_REGULATOR_VARM,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -232,6 +234,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VMODEM] = {
.desc = {
.name = "db8500-vmodem",
+ .of_match = of_match_ptr("db8500_vmodem"),
.id = DB8500_REGULATOR_VMODEM,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -241,6 +244,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VPLL] = {
.desc = {
.name = "db8500-vpll",
+ .of_match = of_match_ptr("db8500_vpll"),
.id = DB8500_REGULATOR_VPLL,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -250,6 +254,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VSMPS1] = {
.desc = {
.name = "db8500-vsmps1",
+ .of_match = of_match_ptr("db8500_vsmps1"),
.id = DB8500_REGULATOR_VSMPS1,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -259,6 +264,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VSMPS2] = {
.desc = {
.name = "db8500-vsmps2",
+ .of_match = of_match_ptr("db8500_vsmps2"),
.id = DB8500_REGULATOR_VSMPS2,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -271,6 +277,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VSMPS3] = {
.desc = {
.name = "db8500-vsmps3",
+ .of_match = of_match_ptr("db8500_vsmps3"),
.id = DB8500_REGULATOR_VSMPS3,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -280,6 +287,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_VRF1] = {
.desc = {
.name = "db8500-vrf1",
+ .of_match = of_match_ptr("db8500_vrf1"),
.id = DB8500_REGULATOR_VRF1,
.ops = &db8500_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -289,6 +297,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SVAMMDSP] = {
.desc = {
.name = "db8500-sva-mmdsp",
+ .of_match = of_match_ptr("db8500_sva_mmdsp"),
.id = DB8500_REGULATOR_SWITCH_SVAMMDSP,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -299,6 +308,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SVAMMDSPRET] = {
.desc = {
.name = "db8500-sva-mmdsp-ret",
+ .of_match = of_match_ptr("db8500_sva_mmdsp_ret"),
.id = DB8500_REGULATOR_SWITCH_SVAMMDSPRET,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -310,6 +320,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SVAPIPE] = {
.desc = {
.name = "db8500-sva-pipe",
+ .of_match = of_match_ptr("db8500_sva_pipe"),
.id = DB8500_REGULATOR_SWITCH_SVAPIPE,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -320,6 +331,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SIAMMDSP] = {
.desc = {
.name = "db8500-sia-mmdsp",
+ .of_match = of_match_ptr("db8500_sia_mmdsp"),
.id = DB8500_REGULATOR_SWITCH_SIAMMDSP,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -330,6 +342,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SIAMMDSPRET] = {
.desc = {
.name = "db8500-sia-mmdsp-ret",
+ .of_match = of_match_ptr("db8500_sia_mmdsp_ret"),
.id = DB8500_REGULATOR_SWITCH_SIAMMDSPRET,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -341,6 +354,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SIAPIPE] = {
.desc = {
.name = "db8500-sia-pipe",
+ .of_match = of_match_ptr("db8500_sia_pipe"),
.id = DB8500_REGULATOR_SWITCH_SIAPIPE,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -351,6 +365,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_SGA] = {
.desc = {
.name = "db8500-sga",
+ .of_match = of_match_ptr("db8500_sga"),
.id = DB8500_REGULATOR_SWITCH_SGA,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -361,6 +376,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_B2R2_MCDE] = {
.desc = {
.name = "db8500-b2r2-mcde",
+ .of_match = of_match_ptr("db8500_b2r2_mcde"),
.id = DB8500_REGULATOR_SWITCH_B2R2_MCDE,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -371,6 +387,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_ESRAM12] = {
.desc = {
.name = "db8500-esram12",
+ .of_match = of_match_ptr("db8500_esram12"),
.id = DB8500_REGULATOR_SWITCH_ESRAM12,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -382,6 +399,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_ESRAM12RET] = {
.desc = {
.name = "db8500-esram12-ret",
+ .of_match = of_match_ptr("db8500_esram12_ret"),
.id = DB8500_REGULATOR_SWITCH_ESRAM12RET,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -393,6 +411,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_ESRAM34] = {
.desc = {
.name = "db8500-esram34",
+ .of_match = of_match_ptr("db8500_esram34"),
.id = DB8500_REGULATOR_SWITCH_ESRAM34,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -404,6 +423,7 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
[DB8500_REGULATOR_SWITCH_ESRAM34RET] = {
.desc = {
.name = "db8500-esram34-ret",
+ .of_match = of_match_ptr("db8500_esram34_ret"),
.id = DB8500_REGULATOR_SWITCH_ESRAM34RET,
.ops = &db8500_regulator_switch_ops,
.type = REGULATOR_VOLTAGE,
@@ -414,113 +434,38 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
},
};

-static int db8500_regulator_register(struct platform_device *pdev,
- struct regulator_init_data *init_data,
- int id,
- struct device_node *np)
+static int db8500_regulator_probe(struct platform_device *pdev)
{
+ struct regulator_init_data *db8500_init_data;
struct dbx500_regulator_info *info;
struct regulator_config config = { };
- int err;
-
- /* assign per-regulator data */
- info = &dbx500_regulator_info[id];
- info->dev = &pdev->dev;
-
- config.dev = &pdev->dev;
- config.init_data = init_data;
- config.driver_data = info;
- config.of_node = np;
-
- /* register with the regulator framework */
- info->rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
- if (IS_ERR(info->rdev)) {
- err = PTR_ERR(info->rdev);
- dev_err(&pdev->dev, "failed to register %s: err %i\n",
- info->desc.name, err);
- return err;
- }
-
- dev_dbg(rdev_get_dev(info->rdev),
- "regulator-%s-probed\n", info->desc.name);
+ int err, i;

- return 0;
-}
-
-static struct of_regulator_match db8500_regulator_matches[] = {
- { .name = "db8500_vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, },
- { .name = "db8500_varm", .driver_data = (void *) DB8500_REGULATOR_VARM, },
- { .name = "db8500_vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, },
- { .name = "db8500_vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, },
- { .name = "db8500_vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, },
- { .name = "db8500_vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, },
- { .name = "db8500_vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, },
- { .name = "db8500_vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, },
- { .name = "db8500_sva_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, },
- { .name = "db8500_sva_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, },
- { .name = "db8500_sva_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, },
- { .name = "db8500_sia_mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, },
- { .name = "db8500_sia_mmdsp_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, },
- { .name = "db8500_sia_pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, },
- { .name = "db8500_sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, },
- { .name = "db8500_b2r2_mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, },
- { .name = "db8500_esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, },
- { .name = "db8500_esram12_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, },
- { .name = "db8500_esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, },
- { .name = "db8500_esram34_ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, },
-};
-
-static int
-db8500_regulator_of_probe(struct platform_device *pdev,
- struct device_node *np)
-{
- int i, err;
+ db8500_init_data = dev_get_platdata(&pdev->dev);

for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
- err = db8500_regulator_register(
- pdev, db8500_regulator_matches[i].init_data,
- i, db8500_regulator_matches[i].of_node);
- if (err)
+ /* assign per-regulator data */
+ info = &dbx500_regulator_info[i];
+ info->dev = &pdev->dev;
+
+ config.driver_data = info;
+ config.dev = &pdev->dev;
+ if (db8500_init_data)
+ config.init_data = &db8500_init_data[i];
+
+ info->rdev = devm_regulator_register(&pdev->dev, &info->desc,
+ &config);
+ if (IS_ERR(info->rdev)) {
+ err = PTR_ERR(info->rdev);
+ dev_err(&pdev->dev, "failed to register %s: err %i\n",
+ info->desc.name, err);
return err;
- }
-
- return 0;
-}
-
-static int db8500_regulator_probe(struct platform_device *pdev)
-{
- struct regulator_init_data *db8500_init_data =
- dev_get_platdata(&pdev->dev);
- struct device_node *np = pdev->dev.of_node;
- int i, err;
-
- /* register all regulators */
- if (np) {
- err = of_regulator_match(&pdev->dev, np,
- db8500_regulator_matches,
- ARRAY_SIZE(db8500_regulator_matches));
- if (err < 0) {
- dev_err(&pdev->dev,
- "Error parsing regulator init data: %d\n", err);
- return err;
- }
-
- err = db8500_regulator_of_probe(pdev, np);
- if (err)
- return err;
- } else {
- for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
- err = db8500_regulator_register(pdev,
- &db8500_init_data[i],
- i, NULL);
- if (err)
- return err;
}
+ dev_dbg(&pdev->dev, "regulator-%s-probed\n", info->desc.name);
}

- err = ux500_regulator_debug_init(pdev,
- dbx500_regulator_info,
- ARRAY_SIZE(dbx500_regulator_info));
+ ux500_regulator_debug_init(pdev, dbx500_regulator_info,
+ ARRAY_SIZE(dbx500_regulator_info));
return 0;
}

--
2.17.1
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