regulator: ab8500: Use a struct to select the good regulator configuration

At the probe use a structure to select the good regulator array from
from ab9540, ab8505, ab8540 or ab8500 configuration.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index ef12d3d79bdf71f10e1bf774c569c5a0965a859c..9cb634807ff883f4351ae511a7c894520d855858 100644 (file)
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -2860,10 +2860,19 @@ 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;
+       struct of_regulator_match *match;
+       int match_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);
@@ -2893,7 +2902,6 @@ 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);
@@ -2902,7 +2910,7 @@ 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;
@@ -2928,7 +2936,7 @@ 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;
@@ -2995,19 +3003,49 @@ static struct of_regulator_match ab9540_regulator_match[] = {
        { .name = "ab8500_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;
+               abx500_regulator.match = ab9540_regulator_match;
+               abx500_regulator.match_size = ARRAY_SIZE(ab9540_regulator_match);
+       } 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;
+               abx500_regulator.match = ab8505_regulator_match;
+               abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match);
+       } 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;
+               abx500_regulator.match = ab8540_regulator_match;
+               abx500_regulator.match_size = ARRAY_SIZE(ab8540_regulator_match);
+       } 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;
+               abx500_regulator.match = ab8500_regulator_match;
+               abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match);
+       }
+}
+
 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;
        }
@@ -3019,59 +3057,31 @@ 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;
 
-       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_match;
-               match_size = ARRAY_SIZE(ab9540_regulator_match)
-       } 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_match;
-               match_size = ARRAY_SIZE(ab8500_regulator_match)
+       if (!ab8500) {
+               dev_err(&pdev->dev, "null mfd parent\n");
+               return -EINVAL;
        }
 
+       abx500_get_regulator_info(ab8500);
+
        if (np) {
-               err = of_regulator_match(&pdev->dev, np, match, match_size);
+               err = of_regulator_match(&pdev->dev, np,
+                                        abx500_regulator.match,
+                                        abx500_regulator.match_size);
                if (err < 0) {
                        dev_err(&pdev->dev,
                                "Error parsing regulator init data: %d\n", err);
                        return err;
                }
 
-               err = ab8500_regulator_of_probe(pdev, regulator_info,
-                                               regulator_info_size, match, np);
+               err = ab8500_regulator_of_probe(pdev, np);
                return err;
        }
 
-       if (!ab8500) {
-               dev_err(&pdev->dev, "null mfd parent\n");
-               return -EINVAL;
-       }
-
        ppdata = dev_get_platdata(ab8500->dev);
        if (!ppdata) {
                dev_err(&pdev->dev, "null parent pdata\n");
@@ -3085,7 +3095,7 @@ 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;
        }
@@ -3104,9 +3114,9 @@ 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;
        }
@@ -3119,9 +3129,9 @@ 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;
        }
@@ -3133,27 +3143,10 @@ 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);