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dm: gpio: Refactor to prepare for live tree support

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Move the main part of the GPIO request function into a separate function
so that it can be used by the live tree function when added. Update the
xlate method to use a node reference.

Update all GPIO drivers to handle the modified xlate() method.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2017-05-18 20:09:18 -06:00
parent 6fb2f57916
commit 3a57123e59
8 changed files with 41 additions and 29 deletions
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6
include/asm-generic/gpio.h
View file

@ -7,6 +7,8 @@
#ifndef _ASM_GENERIC_GPIO_H_
#define _ASM_GENERIC_GPIO_H_
struct ofnode_phandle_args;
/*
* Generic GPIO API for U-Boot
*
@ -214,7 +216,7 @@ struct fdtdec_phandle_args;
*
*/
int gpio_xlate_offs_flags(struct udevice *dev, struct gpio_desc *desc,
struct fdtdec_phandle_args *args);
struct ofnode_phandle_args *args);
/**
* struct struct dm_gpio_ops - Driver model GPIO operations
@ -286,7 +288,7 @@ struct dm_gpio_ops {
* @return 0 if OK, -ve on error
*/
int (*xlate)(struct udevice *dev, struct gpio_desc *desc,
struct fdtdec_phandle_args *args);
struct ofnode_phandle_args *args);
};
/**