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authorSimon Glass <sjg@chromium.org>2021-02-04 21:22:04 -0700
committerTom Rini <trini@konsulko.com>2021-03-03 15:40:11 -0500
commitca1e1f57beb29fbaf48f9488ada1b008dace8314 (patch)
treede13345480cbd7411c78cdf97856a3fbc88adb3b /drivers/gpio
parent7e0a96d559da493812220731535f5ba6351bcea1 (diff)
downloadu-boot-ca1e1f57beb29fbaf48f9488ada1b008dace8314.tar.gz
gpio: Replace direction_input() and direction_output()
The new update_flags() method is more flexible since it allows the driver to see the full flags all at once. Use that in preference to these two functions. Add comments to that effect. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-uclass.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index eb8850dfe5..f90962a007 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -515,11 +515,8 @@ int gpio_direction_input(unsigned gpio)
ret = gpio_to_device(gpio, &desc);
if (ret)
return ret;
- ret = check_reserved(&desc, "dir_input");
- if (ret)
- return ret;
- return gpio_get_ops(desc.dev)->direction_input(desc.dev, desc.offset);
+ return dm_gpio_clrset_flags(&desc, GPIOD_MASK_DIR, GPIOD_IS_IN);
}
/**
@@ -534,17 +531,17 @@ int gpio_direction_input(unsigned gpio)
int gpio_direction_output(unsigned gpio, int value)
{
struct gpio_desc desc;
+ ulong flags;
int ret;
ret = gpio_to_device(gpio, &desc);
if (ret)
return ret;
- ret = check_reserved(&desc, "dir_output");
- if (ret)
- return ret;
- return gpio_get_ops(desc.dev)->direction_output(desc.dev,
- desc.offset, value);
+ flags = GPIOD_IS_OUT;
+ if (value)
+ flags |= GPIOD_IS_OUT_ACTIVE;
+ return dm_gpio_clrset_flags(&desc, GPIOD_MASK_DIR, flags);
}
static int _gpio_get_value(const struct gpio_desc *desc)