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powerpc/83xx/mpc8349emitx: Get rid of of_node assignment

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Let GPIO library to assign of_node from the parent device.
This allows to move GPIO library and drivers to use fwnode
APIs instead of being stuck with OF-only interfaces.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220323174342.56187-1-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2022-03-23 19:43:42 +02:00 committed by Michael Ellerman
parent ce522ba9ef
commit 610cc9f458
1 changed files with 5 additions and 9 deletions
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14
arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
View file

@ -8,15 +8,15 @@
*/
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/i2c.h>
#include <linux/gpio/driver.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <linux/kthread.h>
#include <linux/property.h>
#include <linux/reboot.h>
#include <asm/prom.h>
#include <asm/machdep.h>
@ -116,21 +116,17 @@ static int mcu_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
static int mcu_gpiochip_add(struct mcu *mcu)
{
struct device_node *np;
struct device *dev = &mcu->client->dev;
struct gpio_chip *gc = &mcu->gc;
np = of_find_compatible_node(NULL, NULL, "fsl,mcu-mpc8349emitx");
if (!np)
return -ENODEV;
gc->owner = THIS_MODULE;
gc->label = kasprintf(GFP_KERNEL, "%pOF", np);
gc->label = kasprintf(GFP_KERNEL, "%pfw", dev_fwnode(dev));
gc->can_sleep = 1;
gc->ngpio = MCU_NUM_GPIO;
gc->base = -1;
gc->set = mcu_gpio_set;
gc->direction_output = mcu_gpio_dir_out;
gc->of_node = np;
gc->parent = dev;
return gpiochip_add_data(gc, mcu);
}