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Subject[PATCH] 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>
---
drivers/spi/spi-at91-usart.c | 27 +++++----------------------
1 file changed, 5 insertions(+), 22 deletions(-)

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index 8c8352625d23..9cd738682aab 100644
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -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;
}
--
2.31.1
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