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drivers: gpio: Refactor drivers to use shared init priority

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Refactors all of the on-chip GPIO drivers to use a shared driver class
initialization priority configuration, CONFIG_GPIO_INIT_PRIORITY, to
allow configuring GPIO drivers separately from other devices. This is
similar to other driver classes like I2C and SPI.

Most drivers previously used CONFIG_KERNEL_INIT_PRIORITY_DEFAULT or
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, therefore the default for this new
option is the lower of the two, which means earlier initialization.

Driver-specific options for off-chip I2C- or SPI-based GPIO drivers are
left intact because they often need to be initialized at a different
priority than on-chip GPIO drivers.

Signed-off-by: Maureen Helm <maureen.helm@intel.com>
This commit is contained in:
Maureen Helm 2021-11-05 16:58:21 -05:00 • committed by Christopher Friedt
commit 836651b453
49 changed files with 85 additions and 91 deletions
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drivers/gpio/gpio_mchp_xec_v2.c
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@ -420,7 +420,7 @@ static const struct gpio_driver_api gpio_xec_driver_api = {
\
DEVICE_DT_INST_DEFINE(n, gpio_xec_port_init_##n, NULL, \
&gpio_xec_port_data_##n, &xec_gpio_config_##n, \
POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
POST_KERNEL, CONFIG_GPIO_INIT_PRIORITY, \
&gpio_xec_driver_api);
DT_INST_FOREACH_STATUS_OKAY(XEC_GPIO_PORT)