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USB: gadget: s3c2410_udc uses standard GPIO calls

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Change the gpio code in the s3c2410_udc to use the
generic gpio calls instead of the s3c24xx specific
gpio functions.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ben Dooks 2008-11-24 11:45:03 -08:00 committed by Greg Kroah-Hartman
parent b40fc2a256
commit ea99ecfdc8
1 changed files with 22 additions and 12 deletions
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34
drivers/usb/gadget/s3c2410_udc.c
View file

@ -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);
}