lkml.org 
[lkml]   [2018]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 09/21] regulator: lm363x: Pass descriptor instead of GPIO number
Date
Instead of passing a global GPIO number, pass a descriptor looked
up with the standard devm_gpiod_get_index_optional() call.

Cc: Milo Kim <milo.kim@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/regulator/lm363x-regulator.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/regulator/lm363x-regulator.c b/drivers/regulator/lm363x-regulator.c
index ce5f7d9ad475..b615a413ca9f 100644
--- a/drivers/regulator/lm363x-regulator.c
+++ b/drivers/regulator/lm363x-regulator.c
@@ -16,7 +16,7 @@
#include <linux/mfd/ti-lmu-register.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
@@ -219,7 +219,7 @@ static const struct regulator_desc lm363x_regulator_desc[] = {
},
};

-static int lm363x_regulator_of_get_enable_gpio(struct device_node *np, int id)
+static struct gpio_desc *lm363x_regulator_of_get_enable_gpio(struct device *dev, int id)
{
/*
* Check LCM_EN1/2_GPIO is configured.
@@ -227,11 +227,11 @@ static int lm363x_regulator_of_get_enable_gpio(struct device_node *np, int id)
*/
switch (id) {
case LM3632_LDO_POS:
- return of_get_named_gpio(np, "enable-gpios", 0);
+ return devm_gpiod_get_index_optional(dev, "enable", 0, GPIOD_OUT_LOW);
case LM3632_LDO_NEG:
- return of_get_named_gpio(np, "enable-gpios", 1);
+ return devm_gpiod_get_index_optional(dev, "enable", 1, GPIOD_OUT_LOW);
default:
- return -EINVAL;
+ return NULL;
}
}

@@ -243,7 +243,8 @@ static int lm363x_regulator_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
struct device *dev = &pdev->dev;
int id = pdev->id;
- int ret, ena_gpio;
+ struct gpio_desc *gpiod;
+ int ret;

cfg.dev = dev;
cfg.regmap = regmap;
@@ -252,10 +253,9 @@ static int lm363x_regulator_probe(struct platform_device *pdev)
* LM3632 LDOs can be controlled by external pin.
* Register update is required if the pin is used.
*/
- ena_gpio = lm363x_regulator_of_get_enable_gpio(dev->of_node, id);
- if (gpio_is_valid(ena_gpio)) {
- cfg.ena_gpio = ena_gpio;
- cfg.ena_gpio_flags = GPIOF_OUT_INIT_LOW;
+ gpiod = lm363x_regulator_of_get_enable_gpio(dev, id);
+ if (gpiod) {
+ cfg.ena_gpiod = gpiod;

ret = regmap_update_bits(regmap, LM3632_REG_BIAS_CONFIG,
LM3632_EXT_EN_MASK,
--
2.14.3
\
 
 \ /
  Last update: 2018-02-12 14:21    [W:0.129 / U:20.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site