[ARM] S3C24XX: GPIO: Change usb-simtec.c to use gpiolib.
Make arch/arm/mach-s3c2410/usb-simtec.c use gpiolib to
manage gpio access.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 4964637..31af898 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -594,8 +594,6 @@
s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
-
- usb_simtec_init();
}
static void __init bast_init(void)
@@ -609,6 +607,7 @@
i2c_register_board_info(0, bast_i2c_devs,
ARRAY_SIZE(bast_i2c_devs));
+ usb_simtec_init();
nor_simtec_init();
}
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index dd45eb4..6cd9377 100644
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -22,6 +22,7 @@
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/gpio.h>
#include <linux/io.h>
#include <asm/mach/arch.h>
@@ -30,7 +31,6 @@
#include <mach/bast-map.h>
#include <mach/bast-irq.h>
-#include <mach/regs-gpio.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@@ -54,9 +54,9 @@
power_state[port] = to;
if (power_state[0] && power_state[1])
- s3c2410_gpio_setpin(S3C2410_GPB(4), 0);
+ gpio_set_value(S3C2410_GPB(4), 0);
else
- s3c2410_gpio_setpin(S3C2410_GPB(4), 1);
+ gpio_set_value(S3C2410_GPB(4), 1);
}
static irqreturn_t
@@ -64,7 +64,7 @@
{
struct s3c2410_hcd_info *info = pw;
- if (s3c2410_gpio_getpin(S3C2410_GPG(10)) == 0) {
+ if (gpio_get_value(S3C2410_GPG(10)) == 0) {
pr_debug("usb_simtec: over-current irq (oc detected)\n");
s3c2410_usb_report_oc(info, 3);
} else {
@@ -107,10 +107,27 @@
int usb_simtec_init(void)
{
- printk("USB Power Control, (c) 2004 Simtec Electronics\n");
- s3c_device_usb.dev.platform_data = &usb_simtec_info;
+ int ret;
- s3c2410_gpio_cfgpin(S3C2410_GPB(4), S3C2410_GPIO_OUTPUT);
- s3c2410_gpio_setpin(S3C2410_GPB(4), 1);
+ printk("USB Power Control, (c) 2004 Simtec Electronics\n");
+
+ ret = gpio_request(S3C2410_GPB(4), "USB power control");
+ if (ret < 0) {
+ pr_err("%s: failed to get GPB4\n", __func__);
+ return ret;
+ }
+
+ ret = gpio_request(S3C2410_GPG(10), "USB overcurrent");
+ if (ret < 0) {
+ pr_err("%s: failed to get GPG10\n", __func__);
+ gpio_free(S3C2410_GPB(4));
+ return ret;
+ }
+
+ /* turn power on */
+ gpio_direction_output(S3C2410_GPB(4), 1);
+ gpio_direction_input(S3C2410_GPG(10));
+
+ s3c_device_usb.dev.platform_data = &usb_simtec_info;
return 0;
}
