Unverified Commit 3340ec49 authored by Maíra Canal's avatar Maíra Canal Committed by Mark Brown
Browse files

spi: at91-usart: replacing legacy gpio interface for gpiod 



Removing dependency of linux/of_gpio.h and replacing it for
linux/gpio/consumer.h

Signed-off-by: default avatarMaíra Canal <maira.canal@usp.br>
Link: https://lore.kernel.org/r/YW8I5Emdc3t0cqhz@fedora


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 08411e34

drivers/spi/spi-at91-usart.c

+5 −22
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ 
#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/of_platform.h>

#include <linux/of_gpio.h>

#include <linux/gpio/consumer.h>

#include <linux/pinctrl/consumer.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>
@@ -482,29 +482,12 @@ static void at91_usart_spi_init(struct at91_usart_spi *aus) 


static int at91_usart_gpio_setup(struct platform_device *pdev)

{

	struct device_node *np = pdev->dev.parent->of_node;

	int i;

	int ret;

	int nb;



	if (!np)

		return -EINVAL;



	nb = of_gpio_named_count(np, "cs-gpios");

	for (i = 0; i < nb; i++) {

		int cs_gpio = of_get_named_gpio(np, "cs-gpios", i);

	struct gpio_descs *cs_gpios;



		if (cs_gpio < 0)

			return cs_gpio;

	cs_gpios = devm_gpiod_get_array_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);



		if (gpio_is_valid(cs_gpio)) {

			ret = devm_gpio_request_one(&pdev->dev, cs_gpio,

						    GPIOF_DIR_OUT,

						    dev_name(&pdev->dev));

			if (ret)

				return ret;

		}

	}

	if (IS_ERR(cs_gpios))

		return PTR_ERR(cs_gpios);



	return 0;

}