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| author | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 17:50:49 +0400 |
|---|---|---|
| committer | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 17:50:49 +0400 |
| commit | 722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch) | |
| tree | 50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /arch/arm/mach-s3c2410/usb-simtec.c | |
| parent | 7a0aeb14e18ad59394bd9bbc6e57fb345819e748 (diff) | |
| parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) | |
| download | linux-722f2a6c87f34ee0fd0130a8cf45f81e0705594a.tar.xz | |
Merge commit 'linus/master' into HEAD
Conflicts:
MAINTAINERS
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch/arm/mach-s3c2410/usb-simtec.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/usb-simtec.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c index 8331e8d97e20..6cd9377ddb82 100644 --- a/arch/arm/mach-s3c2410/usb-simtec.c +++ b/arch/arm/mach-s3c2410/usb-simtec.c @@ -18,9 +18,11 @@ #include <linux/types.h> #include <linux/interrupt.h> #include <linux/list.h> +#include <linux/gpio.h> #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> @@ -29,7 +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> @@ -53,9 +54,9 @@ usb_simtec_powercontrol(int port, int to) power_state[port] = to; if (power_state[0] && power_state[1]) - s3c2410_gpio_setpin(S3C2410_GPB4, 0); + gpio_set_value(S3C2410_GPB(4), 0); else - s3c2410_gpio_setpin(S3C2410_GPB4, 1); + gpio_set_value(S3C2410_GPB(4), 1); } static irqreturn_t @@ -63,7 +64,7 @@ usb_simtec_ocirq(int irq, void *pw) { struct s3c2410_hcd_info *info = pw; - if (s3c2410_gpio_getpin(S3C2410_GPG10) == 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 { @@ -106,10 +107,27 @@ static struct s3c2410_hcd_info usb_simtec_info = { int usb_simtec_init(void) { + int ret; + printk("USB Power Control, (c) 2004 Simtec Electronics\n"); - s3c_device_usb.dev.platform_data = &usb_simtec_info; - s3c2410_gpio_cfgpin(S3C2410_GPB4, S3C2410_GPB4_OUTP); - s3c2410_gpio_setpin(S3C2410_GPB4, 1); + 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; } |