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path: root/drivers/gpio/gpio-twl4030.c
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Diffstat (limited to 'drivers/gpio/gpio-twl4030.c')
-rw-r--r--drivers/gpio/gpio-twl4030.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 0d17985a5fdc..e39e39e3ef85 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -120,7 +120,7 @@ static u8 cached_leden;
* external pullup is needed. We could also expose the integrated PWM
* as a LED brightness control; we initialize it as "always on".
*/
-static void twl4030_led_set_value(int led, int value)
+static int twl4030_led_set_value(int led, int value)
{
u8 mask = LEDEN_LEDAON | LEDEN_LEDAPWM;
@@ -132,8 +132,8 @@ static void twl4030_led_set_value(int led, int value)
else
cached_leden |= mask;
- WARN_ON_ONCE(twl_i2c_write_u8(TWL4030_MODULE_LED, cached_leden,
- TWL4030_LED_LEDEN_REG));
+ return twl_i2c_write_u8(TWL4030_MODULE_LED, cached_leden,
+ TWL4030_LED_LEDEN_REG);
}
static int twl4030_set_gpio_direction(int gpio, int is_input)
@@ -278,7 +278,7 @@ static void twl_free(struct gpio_chip *chip, unsigned offset)
mutex_lock(&priv->mutex);
if (offset >= TWL4030_GPIO_MAX) {
- twl4030_led_set_value(offset - TWL4030_GPIO_MAX, 1);
+ WARN_ON_ONCE(twl4030_led_set_value(offset - TWL4030_GPIO_MAX, 1));
goto out;
}
@@ -334,15 +334,16 @@ out:
return ret;
}
-static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
+static int twl_set(struct gpio_chip *chip, unsigned int offset, int value)
{
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
+ int ret;
mutex_lock(&priv->mutex);
if (offset < TWL4030_GPIO_MAX)
- twl4030_set_gpio_dataout(offset, value);
+ ret = twl4030_set_gpio_dataout(offset, value);
else
- twl4030_led_set_value(offset - TWL4030_GPIO_MAX, value);
+ ret = twl4030_led_set_value(offset - TWL4030_GPIO_MAX, value);
if (value)
priv->out_state |= BIT(offset);
@@ -350,6 +351,8 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
priv->out_state &= ~BIT(offset);
mutex_unlock(&priv->mutex);
+
+ return ret;
}
static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
@@ -373,9 +376,7 @@ static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
priv->direction |= BIT(offset);
mutex_unlock(&priv->mutex);
- twl_set(chip, offset, value);
-
- return ret;
+ return twl_set(chip, offset, value);
}
static int twl_get_direction(struct gpio_chip *chip, unsigned offset)
@@ -418,7 +419,7 @@ static const struct gpio_chip template_chip = {
.direction_output = twl_direction_out,
.get_direction = twl_get_direction,
.get = twl_get,
- .set = twl_set,
+ .set_rv = twl_set,
.to_irq = twl_to_irq,
.can_sleep = true,
};
@@ -523,7 +524,7 @@ static int gpio_twl4030_probe(struct platform_device *pdev)
return irq_base;
}
- irq_domain_create_legacy(of_fwnode_handle(pdev->dev.of_node), TWL4030_GPIO_MAX, irq_base, 0,
+ irq_domain_create_legacy(dev_fwnode(&pdev->dev), TWL4030_GPIO_MAX, irq_base, 0,
&irq_domain_simple_ops, NULL);
ret = twl4030_sih_setup(&pdev->dev, TWL4030_MODULE_GPIO, irq_base);