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| author | Patrick Delaunay <patrick.delaunay@st.com> | 2020-01-13 11:35:02 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-04-16 23:06:54 -0400 |
| commit | 8a9140cd38c5571fc23d1e7b293ca22325d41afc (patch) | |
| tree | 3e3d650af27de8c34aca8bbf3b42cb7a2ceede56 | |
| parent | 9f2b066cda3dd0b4bf583c40610eba347f2c03cd (diff) | |
| download | u-boot-8a9140cd38c5571fc23d1e7b293ca22325d41afc.zip u-boot-8a9140cd38c5571fc23d1e7b293ca22325d41afc.tar.gz u-boot-8a9140cd38c5571fc23d1e7b293ca22325d41afc.tar.bz2 | |
gpio: add function _gpio_get_value
Introduce the function _gpio_get_value to get the GPIO value
without check if it is reserved.
This patch prepare new ops introduction.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 32fdc5b..5c82a4a 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -476,18 +476,24 @@ int gpio_direction_output(unsigned gpio, int value) desc.offset, value); } -int dm_gpio_get_value(const struct gpio_desc *desc) +static int _gpio_get_value(const struct gpio_desc *desc) { int value; + + value = gpio_get_ops(desc->dev)->get_value(desc->dev, desc->offset); + + return desc->flags & GPIOD_ACTIVE_LOW ? !value : value; +} + +int dm_gpio_get_value(const struct gpio_desc *desc) +{ int ret; ret = check_reserved(desc, "get_value"); if (ret) return ret; - value = gpio_get_ops(desc->dev)->get_value(desc->dev, desc->offset); - - return desc->flags & GPIOD_ACTIVE_LOW ? !value : value; + return _gpio_get_value(desc); } int dm_gpio_set_value(const struct gpio_desc *desc, int value) |