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path: root/drivers/usb/host/bcma-hcd.c
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Diffstat (limited to 'drivers/usb/host/bcma-hcd.c')
-rw-r--r--drivers/usb/host/bcma-hcd.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c
index 5398e3d42822..291aaa2baed8 100644
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -21,6 +21,7 @@
*/
#include <linux/bcma/bcma.h>
#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -36,6 +37,7 @@ MODULE_LICENSE("GPL");
struct bcma_hcd_device {
struct platform_device *ehci_dev;
struct platform_device *ohci_dev;
+ struct gpio_desc *gpio_desc;
};
/* Wait for bitmask in a register to get set or cleared.
@@ -228,19 +230,12 @@ static void bcma_hcd_init_chip_arm(struct bcma_device *dev)
static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val)
{
- int gpio;
+ struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
- gpio = of_get_named_gpio(dev->dev.of_node, "vcc-gpio", 0);
- if (!gpio_is_valid(gpio))
+ if (IS_ERR_OR_NULL(usb_dev->gpio_desc))
return;
- if (val) {
- gpio_request(gpio, "bcma-hcd-gpio");
- gpio_set_value(gpio, 1);
- } else {
- gpio_set_value(gpio, 0);
- gpio_free(gpio);
- }
+ gpiod_set_value(usb_dev->gpio_desc, val);
}
static const struct usb_ehci_pdata ehci_pdata = {
@@ -314,7 +309,11 @@ static int bcma_hcd_probe(struct bcma_device *dev)
if (!usb_dev)
return -ENOMEM;
- bcma_hci_platform_power_gpio(dev, true);
+ if (dev->dev.of_node)
+ usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
+ &dev->dev.of_node->fwnode);
+ if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
+ gpiod_direction_output(usb_dev->gpio_desc, 1);
switch (dev->id.id) {
case BCMA_CORE_NS_USB20: