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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: Maíra Canal <maira.canal@usp.br>
Link: https://lore.kernel.org/r/YW8I5Emdc3t0cqhz@fedora
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Maíra Canal 2021-10-19 15:05:24 -03:00 committed by Mark Brown
parent 08411e3461
commit 3340ec49ba
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 22 deletions
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27
drivers/spi/spi-at91-usart.c
View File

@ -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;
struct gpio_descs *cs_gpios;
if (!np)
return -EINVAL;
cs_gpios = devm_gpiod_get_array_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);
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);
if (cs_gpio < 0)
return cs_gpio;
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;
}