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path: root/drivers/usb/renesas_usbhs/common.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/common.c')
-rw-r--r--drivers/usb/renesas_usbhs/common.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d438b7871446..3af91b2b8f76 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -8,11 +8,10 @@
*/
#include <linux/clk.h>
#include <linux/err.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
#include <linux/slab.h>
@@ -592,7 +591,8 @@ static int usbhs_probe(struct platform_device *pdev)
struct usbhs_priv *priv;
struct resource *irq_res;
struct device *dev = &pdev->dev;
- int ret, gpio;
+ struct gpio_desc *gpiod;
+ int ret;
u32 tmp;
/* check device node */
@@ -657,10 +657,9 @@ static int usbhs_probe(struct platform_device *pdev)
priv->dparam.pio_dma_border = 64; /* 64byte */
if (!of_property_read_u32(dev_of_node(dev), "renesas,buswait", &tmp))
priv->dparam.buswait_bwait = tmp;
- gpio = of_get_named_gpio_flags(dev_of_node(dev), "renesas,enable-gpio",
- 0, NULL);
- if (gpio > 0)
- priv->dparam.enable_gpio = gpio;
+ gpiod = devm_gpiod_get_optional(dev, "renesas,enable", GPIOD_IN);
+ if (IS_ERR(gpiod))
+ return PTR_ERR(gpiod);
/* FIXME */
/* runtime power control ? */
@@ -708,13 +707,10 @@ static int usbhs_probe(struct platform_device *pdev)
usbhs_sys_clock_ctrl(priv, 0);
/* check GPIO determining if USB function should be enabled */
- if (priv->dparam.enable_gpio) {
- gpio_request_one(priv->dparam.enable_gpio, GPIOF_IN, NULL);
- ret = !gpio_get_value(priv->dparam.enable_gpio);
- gpio_free(priv->dparam.enable_gpio);
+ if (gpiod) {
+ ret = !gpiod_get_value(gpiod);
if (ret) {
- dev_warn(dev, "USB function not selected (GPIO %d)\n",
- priv->dparam.enable_gpio);
+ dev_warn(dev, "USB function not selected (GPIO)\n");
ret = -ENOTSUPP;
goto probe_end_mod_exit;
}