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- --- a/drivers/usb/dwc2/platform.c
- +++ b/drivers/usb/dwc2/platform.c
- @@ -42,6 +42,7 @@
- #include <linux/dma-mapping.h>
- #include <linux/of_device.h>
- #include <linux/mutex.h>
- +#include <linux/of_gpio.h>
- #include <linux/platform_device.h>
- #include <linux/phy/phy.h>
- #include <linux/platform_data/s3c-hsotg.h>
- @@ -336,6 +337,7 @@ static int dwc2_driver_probe(struct plat
- struct resource *res;
- int retval;
- int irq;
- + int gpio_count;
-
- match = of_match_device(dwc2_of_match_table, &dev->dev);
- if (match && match->data) {
- @@ -352,6 +354,16 @@ static int dwc2_driver_probe(struct plat
- defparams.dma_desc_enable = 0;
- }
-
- + gpio_count = of_gpio_count(dev->dev.of_node);
- + while (gpio_count > 0) {
- + enum of_gpio_flags flags;
- + int gpio = of_get_gpio_flags(dev->dev.of_node, --gpio_count, &flags);
- + if (gpio_request(gpio, "usb"))
- + continue;
- + dev_info(&dev->dev, "requested GPIO %d\n", gpio);
- + gpio_direction_output(gpio, (flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1));
- + }
- +
- hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL);
- if (!hsotg)
- return -ENOMEM;
|
