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gpio: remove machine hogs

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With no more users, remove legacy machine hog API from the kernel.

Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260309-gpio-hog-fwnode-v2-5-4e61f3dbf06a@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Bartosz Golaszewski
2026-03-09 13:42:41 +01:00
parent e627fc9fad
commit dea046e7f4
3 changed files with 0 additions and 120 deletions
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16
Documentation/driver-api/gpio/board.rst
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@@ -239,22 +239,6 @@ mapping and is thus transparent to GPIO consumers.
A set of functions such as gpiod_set_value() is available to work with
the new descriptor-oriented interface.
Boards using platform data can also hog GPIO lines by defining GPIO hog tables.
.. code-block:: c
struct gpiod_hog gpio_hog_table[] = {
GPIO_HOG("gpio.0", 10, "foo", GPIO_ACTIVE_LOW, GPIOD_OUT_HIGH),
{ }
};
And the table can be added to the board code as follows::
gpiod_add_hogs(gpio_hog_table);
The line will be hogged as soon as the gpiochip is created or - in case the
chip was created earlier - when the hog table is registered.
Arrays of pins
--------------
In addition to requesting pins belonging to a function one by one, a device may