X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fusb%2Fgadget%2Fs3c2410_udc.c;h=a9b452fe622195ad832acdc78fba40759218f820;hp=c7e255636803bc0721052e01e1875b39d9463d43;hb=44f167d376aa42d59d40406036e901a5cf03567f;hpb=db30c70575822cc84d87b5613c19cac24734b99f

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index c7e255636803..a9b452fe6221 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -28,7 +28,6 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/timer.h>
@@ -36,6 +35,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
 
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
@@ -51,7 +51,6 @@
 #include <mach/irqs.h>
 
 #include <mach/hardware.h>
-#include <mach/regs-gpio.h>
 
 #include <plat/regs-udc.h>
 #include <plat/udc.h>
@@ -1510,11 +1509,7 @@ static irqreturn_t s3c2410_udc_vbus_irq(int irq, void *_dev)
 
 	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
 
-	/* some cpus cannot read from an line configured to IRQ! */
-	s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_INPUT);
-	value = s3c2410_gpio_getpin(udc_info->vbus_pin);
-	s3c2410_gpio_cfgpin(udc_info->vbus_pin, S3C2410_GPIO_SFN2);
-
+	value = gpio_get_value(udc_info->vbus_pin) ? 1 : 0;
 	if (udc_info->vbus_pin_inverted)
 		value = !value;
 
@@ -1802,7 +1797,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 	struct s3c2410_udc *udc = &memory;
 	struct device *dev = &pdev->dev;
 	int retval;
-	unsigned int irq;
+	int irq;
 
 	dev_dbg(dev, "%s()\n", __func__);
 
@@ -1861,7 +1856,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 
 	/* irq setup after old hardware state is cleaned up */
 	retval = request_irq(IRQ_USBD, s3c2410_udc_irq,
-			IRQF_DISABLED, gadget_name, udc);
+			     IRQF_DISABLED, gadget_name, udc);
 
 	if (retval != 0) {
 		dev_err(dev, "cannot get irq %i, err %d\n", IRQ_USBD, retval);
@@ -1872,17 +1867,28 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 	dev_dbg(dev, "got irq %i\n", IRQ_USBD);
 
 	if (udc_info && udc_info->vbus_pin > 0) {
-		irq = s3c2410_gpio_getirq(udc_info->vbus_pin);
+		retval = gpio_request(udc_info->vbus_pin, "udc vbus");
+		if (retval < 0) {
+			dev_err(dev, "cannot claim vbus pin\n");
+			goto err_int;
+		}
+
+		irq = gpio_to_irq(udc_info->vbus_pin);
+		if (irq < 0) {
+			dev_err(dev, "no irq for gpio vbus pin\n");
+			goto err_gpio_claim;
+		}
+
 		retval = request_irq(irq, s3c2410_udc_vbus_irq,
 				     IRQF_DISABLED | IRQF_TRIGGER_RISING
 				     | IRQF_TRIGGER_FALLING | IRQF_SHARED,
 				     gadget_name, udc);
 
 		if (retval != 0) {
-			dev_err(dev, "can't get vbus irq %i, err %d\n",
+			dev_err(dev, "can't get vbus irq %d, err %d\n",
 				irq, retval);
 			retval = -EBUSY;
-			goto err_int;
+			goto err_gpio_claim;
 		}
 
 		dev_dbg(dev, "got irq %i\n", irq);
@@ -1902,6 +1908,9 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 
 	return 0;
 
+err_gpio_claim:
+	if (udc_info && udc_info->vbus_pin > 0)
+		gpio_free(udc_info->vbus_pin);
 err_int:
 	free_irq(IRQ_USBD, udc);
 err_map:
@@ -1927,7 +1936,7 @@ static int s3c2410_udc_remove(struct platform_device *pdev)
 	debugfs_remove(udc->regs_info);
 
 	if (udc_info && udc_info->vbus_pin > 0) {
-		irq = s3c2410_gpio_getirq(udc_info->vbus_pin);
+		irq = gpio_to_irq(udc_info->vbus_pin);
 		free_irq(irq, udc);
 	}