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Subject[PATCH 67/73] regulator: ab8500: Use a struct to select the good regulator configuration
Date
At the probe use a structure to select the good regulator array from
from ab9540, ab8505, ab8540 or ab8500 configuration.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
---
drivers/regulator/ab8500.c | 113 +++++++++++++++++++-------------------------
1 file changed, 48 insertions(+), 65 deletions(-)

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index fa0979a..b6e8f4d 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -2845,10 +2845,17 @@ static struct ab8500_reg_init ab8540_reg_init[] = {
REG_INIT(AB8540_REGUCTRLDISCH4, 0x04, 0x49, 0x07),
};

+static struct {
+ struct ab8500_regulator_info *info;
+ int info_size;
+ struct ab8500_reg_init *init;
+ int init_size;
+} abx500_regulator;
+
static int ab8500_regulator_init_registers(struct platform_device *pdev,
- struct ab8500_reg_init *reg_init,
int id, int mask, int value)
{
+ struct ab8500_reg_init *reg_init = abx500_regulator.init;
int err;

BUG_ON(value & ~mask);
@@ -2878,7 +2885,6 @@ static int ab8500_regulator_init_registers(struct platform_device *pdev,

static int ab8500_regulator_register(struct platform_device *pdev,
struct regulator_init_data *init_data,
- struct ab8500_regulator_info *regulator_info,
int id, struct device_node *np)
{
struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
@@ -2887,7 +2893,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
int err;

/* assign per-regulator data */
- info = &regulator_info[id];
+ info = &abx500_regulator.info[id];
info->dev = &pdev->dev;

config.dev = &pdev->dev;
@@ -2913,7 +2919,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
info->desc.name);
/* when we fail, un-register all earlier regulators */
while (--id >= 0) {
- info = &regulator_info[id];
+ info = &abx500_regulator.info[id];
regulator_unregister(info->regulator);
}
return err;
@@ -2949,19 +2955,41 @@ static struct of_regulator_match ab9540_regulator_match[] = {
{ .name = "ab9540_ldo_ana", .driver_data = (void *) AB9540_LDO_ANA, },
};

+static void abx500_get_regulator_info(struct ab8500 *ab8500)
+{
+ if (is_ab9540(ab8500)) {
+ abx500_regulator.info = ab9540_regulator_info;
+ abx500_regulator.info_size = ARRAY_SIZE(ab9540_regulator_info);
+ abx500_regulator.init = ab9540_reg_init;
+ abx500_regulator.init_size = AB9540_NUM_REGULATOR_REGISTERS;
+ } else if (is_ab8505(ab8500)) {
+ abx500_regulator.info = ab8505_regulator_info;
+ abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info);
+ abx500_regulator.init = ab8505_reg_init;
+ abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS;
+ } else if (is_ab8540(ab8500)) {
+ abx500_regulator.info = ab8540_regulator_info;
+ abx500_regulator.info_size = ARRAY_SIZE(ab8540_regulator_info);
+ abx500_regulator.init = ab8540_reg_init;
+ abx500_regulator.init_size = AB8540_NUM_REGULATOR_REGISTERS;
+ } else {
+ abx500_regulator.info = ab8500_regulator_info;
+ abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info);
+ abx500_regulator.init = ab8500_reg_init;
+ abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS;
+ }
+}
+
static int
ab8500_regulator_of_probe(struct platform_device *pdev,
- struct ab8500_regulator_info *regulator_info,
- int regulator_info_size,
- struct of_regulator_match *match,
struct device_node *np)
{
+ struct of_regulator_match *match = abx500_regulator.match;
int err, i;

- for (i = 0; i < regulator_info_size; i++) {
+ for (i = 0; i < abx500_regulator.info_size; i++) {
err = ab8500_regulator_register(
- pdev, match[i].init_data, regulator_info,
- i, match[i].of_node);
+ pdev, match[i].init_data, i, match[i].of_node);
if (err)
return err;
}
@@ -2973,41 +3001,14 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
{
struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
struct device_node *np = pdev->dev.of_node;
- struct of_regulator_match *match;
struct ab8500_platform_data *ppdata;
struct ab8500_regulator_platform_data *pdata;
int i, err;
- struct ab8500_regulator_info *regulator_info;
- int regulator_info_size;
struct ab8500_reg_init *reg_init;
- int reg_init_size;
+
/* cache values needed repeatedly inside for-loops */

- if (is_ab9540(ab8500)) {
- regulator_info = ab9540_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab9540_regulator_info);
- reg_init = ab9540_reg_init;
- reg_init_size = AB9540_NUM_REGULATOR_REGISTERS;
- match = ab9540_regulator_matches;
- match_size = ARRAY_SIZE(ab9540_regulator_matches)
- } else if (is_ab8505(ab8500)) {
- regulator_info = ab8505_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8505_regulator_info);
- reg_init = ab8505_reg_init;
- reg_init_size = AB8505_NUM_REGULATOR_REGISTERS;
- } else if (is_ab8540(ab8500)) {
- regulator_info = ab8540_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8540_regulator_info);
- reg_init = ab8540_reg_init;
- reg_init_size = AB8540_NUM_REGULATOR_REGISTERS;
- } else {
- regulator_info = ab8500_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
- reg_init = ab8500_reg_init;
- reg_init_size = AB8500_NUM_REGULATOR_REGISTERS;
- match = ab8500_regulator_matches;
- match_size = ARRAY_SIZE(ab8500_regulator_matches)
- }
+ abx500_get_regulator_info(ab8500);

if (np) {
err = of_regulator_match(&pdev->dev, np, match, match_size);
@@ -3017,8 +3018,7 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
return err;
}

- err = ab8500_regulator_of_probe(pdev, regulator_info,
- regulator_info_size, match, np);
+ err = ab8500_regulator_of_probe(pdev, match, np);
return err;
}

@@ -3040,7 +3040,7 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
}

/* make sure the platform data has the correct size */
- if (pdata->num_regulator != regulator_info_size) {
+ if (pdata->num_regulator != abx500_regulator.info_size) {
dev_err(&pdev->dev, "Configuration error: size mismatch.\n");
return -EINVAL;
}
@@ -3059,9 +3059,9 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
value = pdata->reg_init[i].value;

/* check for configuration errors */
- BUG_ON(id >= AB8500_NUM_REGULATOR_REGISTERS);
+ BUG_ON(id >= abx500_regulator.init_size);

- err = ab8500_regulator_init_registers(pdev, reg_init, id, mask, value);
+ err = ab8500_regulator_init_registers(pdev, id, mask, value);
if (err < 0)
return err;
}
@@ -3074,9 +3074,9 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
}

/* register all regulators */
- for (i = 0; i < regulator_info_size; i++) {
+ for (i = 0; i < abx500_regulator.info_size; i++) {
err = ab8500_regulator_register(pdev, &pdata->regulator[i],
- regulator_info, i, NULL);
+ i, NULL);
if (err < 0)
return err;
}
@@ -3088,27 +3088,10 @@ static int ab8500_regulator_remove(struct platform_device *pdev)
{
int i, err;
struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
- struct ab8500_regulator_info *regulator_info;
- int regulator_info_size;
-
-
- if (is_ab9540(ab8500)) {
- regulator_info = ab9540_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab9540_regulator_info);
- } else if (is_ab8505(ab8500)) {
- regulator_info = ab8505_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8505_regulator_info);
- } else if (is_ab8540(ab8500)) {
- regulator_info = ab8540_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8540_regulator_info);
- } else {
- regulator_info = ab8500_regulator_info;
- regulator_info_size = ARRAY_SIZE(ab8500_regulator_info);
- }

- for (i = 0; i < regulator_info_size; i++) {
+ for (i = 0; i < abx500_regulator.info_size; i++) {
struct ab8500_regulator_info *info = NULL;
- info = &regulator_info[i];
+ info = &abx500_regulator.info[i];

dev_vdbg(rdev_get_dev(info->regulator),
"%s-remove\n", info->desc.name);
--
1.7.9.5


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