diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:37:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:37:24 -0800 |
| commit | 7c7758f99d39d529a64d4f60d22129bbf2f16d74 (patch) | |
| tree | 8847b5e56812fe4c4c812cfffc78e391a91f4ebe /drivers/usb/gadget/s3c2410_udc.c | |
| parent | 67acd8b4b7a3f1b183ae358e1dfdb8a80e170736 (diff) | |
| parent | 8a70da82edc50aa7a4b54864babf2d72538ba1bb (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.c | 34 |
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); } |
