From e08abeca39673e1045ca1e5a90bd7fef69d0fe8f Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 27 Feb 2019 09:30:53 +0800 Subject: regulator: wm8400: Get rid of wm8400_block_read/wm8400_set_bits functions The only user of wm8400_block_read/wm8400_set_bits functions is the wm8400 regulator driver. At the context of all the callers, we can use regmap_bulk_read/regmap_update_bits directly. Thus remove wm8400_block_read/wm8400_set_bits functions. Signed-off-by: Axel Lin Acked-by: Charles Keepax Signed-off-by: Mark Brown --- drivers/mfd/wm8400-core.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/mfd') diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 8a98a2fc74e1..7eab2bedad93 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -35,12 +35,6 @@ static bool wm8400_volatile(struct device *dev, unsigned int reg) } } -int wm8400_block_read(struct wm8400 *wm8400, u8 reg, int count, u16 *data) -{ - return regmap_bulk_read(wm8400->regmap, reg, data, count); -} -EXPORT_SYMBOL_GPL(wm8400_block_read); - static int wm8400_register_codec(struct wm8400 *wm8400) { const struct mfd_cell cell = { -- cgit v1.2.3-59-g8ed1b From d48acfd0377f901f348b6c48bdcc03723f19d9e7 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 13 Mar 2019 00:33:56 +0800 Subject: regulator: wm831x-isink: Convert to use regulator_set/get_current_limit_regmap Use regulator_set/get_current_limit_regmap helpers to save some code. Signed-off-by: Axel Lin Acked-by: Charles Keepax Signed-off-by: Mark Brown --- drivers/mfd/wm831x-core.c | 2 +- drivers/regulator/wm831x-isink.c | 45 ++++++------------------------------ include/linux/mfd/wm831x/regulator.h | 2 +- 3 files changed, 9 insertions(+), 40 deletions(-) (limited to 'drivers/mfd') diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index e70d35ef5c6d..e865a1fd4bd5 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -33,7 +33,7 @@ /* Current settings - values are 2*2^(reg_val/4) microamps. These are * exported since they are used by multiple drivers. */ -int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = { +const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = { 2, 2, 3, diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 5611890a724b..bdc521a6f048 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c @@ -92,48 +92,12 @@ static int wm831x_isink_is_enabled(struct regulator_dev *rdev) return 0; } -static int wm831x_isink_set_current(struct regulator_dev *rdev, - int min_uA, int max_uA) -{ - struct wm831x_isink *isink = rdev_get_drvdata(rdev); - struct wm831x *wm831x = isink->wm831x; - int ret, i; - - for (i = ARRAY_SIZE(wm831x_isinkv_values) - 1; i >= 0; i--) { - int val = wm831x_isinkv_values[i]; - if (min_uA <= val && val <= max_uA) { - ret = wm831x_set_bits(wm831x, isink->reg, - WM831X_CS1_ISEL_MASK, i); - return ret; - } - } - - return -EINVAL; -} - -static int wm831x_isink_get_current(struct regulator_dev *rdev) -{ - struct wm831x_isink *isink = rdev_get_drvdata(rdev); - struct wm831x *wm831x = isink->wm831x; - int ret; - - ret = wm831x_reg_read(wm831x, isink->reg); - if (ret < 0) - return ret; - - ret &= WM831X_CS1_ISEL_MASK; - if (ret > WM831X_ISINK_MAX_ISEL) - ret = WM831X_ISINK_MAX_ISEL; - - return wm831x_isinkv_values[ret]; -} - static const struct regulator_ops wm831x_isink_ops = { .is_enabled = wm831x_isink_is_enabled, .enable = wm831x_isink_enable, .disable = wm831x_isink_disable, - .set_current_limit = wm831x_isink_set_current, - .get_current_limit = wm831x_isink_get_current, + .set_current_limit = regulator_set_current_limit_regmap, + .get_current_limit = regulator_get_current_limit_regmap, }; static irqreturn_t wm831x_isink_irq(int irq, void *data) @@ -189,10 +153,15 @@ static int wm831x_isink_probe(struct platform_device *pdev) isink->desc.ops = &wm831x_isink_ops; isink->desc.type = REGULATOR_CURRENT; isink->desc.owner = THIS_MODULE; + isink->desc.curr_table = wm831x_isinkv_values, + isink->desc.n_current_limits = ARRAY_SIZE(wm831x_isinkv_values), + isink->desc.csel_reg = isink->reg, + isink->desc.csel_mask = WM831X_CS1_ISEL_MASK, config.dev = pdev->dev.parent; config.init_data = pdata->isink[id]; config.driver_data = isink; + config.regmap = wm831x->regmap; isink->regulator = devm_regulator_register(&pdev->dev, &isink->desc, &config); diff --git a/include/linux/mfd/wm831x/regulator.h b/include/linux/mfd/wm831x/regulator.h index 955d30fc6a27..30c587a0624c 100644 --- a/include/linux/mfd/wm831x/regulator.h +++ b/include/linux/mfd/wm831x/regulator.h @@ -1213,6 +1213,6 @@ #define WM831X_LDO1_OK_WIDTH 1 /* LDO1_OK */ #define WM831X_ISINK_MAX_ISEL 55 -extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1]; +extern const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1]; #endif -- cgit v1.2.3-59-g8ed1b