diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-14 13:42:43 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-14 13:42:43 -0700 |
commit | 2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch) | |
tree | e35a625496acc6ac852846d40b8851186b9d1ac4 /arch/arm/mach-s3c2410/usb-simtec.c | |
parent | 44b7532b8b464f606053562400719c9c21276037 (diff) | |
parent | ce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits)
MAINTAINERS: EB110ATX is not ebsa110
MAINTAINERS: update Eric Miao's email address and status
fb: add support of LCD display controller on pxa168/910 (base layer)
[ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN
[ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines
[ARM] 5544/1: Trust PrimeCell resource sizes
[ARM] pxa/sharpsl_pm: cleanup of gpio-related code.
[ARM] pxa/sharpsl_pm: drop set_irq_type calls
[ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one
[ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific
[ARM] sa1100: remove unused collie_pm.c
[ARM] pxa: fix the conflicting non-static declarations of global_gpios[]
[ARM] 5550/1: Add default configure file for w90p910 platform
[ARM] 5549/1: Add clock api for w90p910 platform.
[ARM] 5548/1: Add gpio api for w90p910 platform
[ARM] 5551/1: Add multi-function pin api for w90p910 platform.
[ARM] Make ARM_VIC_NR depend on ARM_VIC
[ARM] 5546/1: ARM PL022 SSP/SPI driver v3
ARM: OMAP4: SMP: Update defconfig for OMAP4430
ARM: OMAP4: SMP: Enable SMP support for OMAP4430
...
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 8331e8d97e2..6cd9377ddb8 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; } |