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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 15:37:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 15:37:24 -0800
commit7c7758f99d39d529a64d4f60d22129bbf2f16d74 (patch)
tree8847b5e56812fe4c4c812cfffc78e391a91f4ebe /drivers/usb/gadget/s3c2410_udc.c
parent67acd8b4b7a3f1b183ae358e1dfdb8a80e170736 (diff)
parent8a70da82edc50aa7a4b54864babf2d72538ba1bb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (123 commits) wimax/i2400m: add CREDITS and MAINTAINERS entries wimax: export linux/wimax.h and linux/wimax/i2400m.h with headers_install i2400m: Makefile and Kconfig i2400m/SDIO: TX and RX path backends i2400m/SDIO: firmware upload backend i2400m/SDIO: probe/disconnect, dev init/shutdown and reset backends i2400m/SDIO: header for the SDIO subdriver i2400m/USB: TX and RX path backends i2400m/USB: firmware upload backend i2400m/USB: probe/disconnect, dev init/shutdown and reset backends i2400m/USB: header for the USB bus driver i2400m: debugfs controls i2400m: various functions for device management i2400m: RX and TX data/control paths i2400m: firmware loading and bootrom initialization i2400m: linkage to the networking stack i2400m: Generic probe/disconnect, reset and message passing i2400m: host/device procotol and core driver definitions i2400m: documentation and instructions for usage wimax: Makefile, Kconfig and docbook linkage for the stack ...
Diffstat (limited to 'drivers/usb/gadget/s3c2410_udc.c')
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index c7e25563680..9a2b8920532 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -36,6 +36,7 @@
#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 +52,6 @@
#include <mach/irqs.h>
#include <mach/hardware.h>
-#include <mach/regs-gpio.h>
#include <plat/regs-udc.h>
#include <plat/udc.h>
@@ -1510,11 +1510,7 @@ 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 +1798,7 @@ 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 +1857,7 @@ 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 +1868,28 @@ 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 +1909,9 @@ 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 +1937,7 @@ 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);
}