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Diffstat (limited to 'arch/arm/mach-s3c2410/mach-n30.c')
-rw-r--r--arch/arm/mach-s3c2410/mach-n30.c30
1 files changed, 10 insertions, 20 deletions
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 79044d9bce38..66bf5bb2b3db 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -110,34 +110,24 @@ void __init n30_init_irq(void)
s3c24xx_init_irq();
}
-
-static int n30_usbstart_thread(void *unused)
-{
- /* Turn off suspend on both USB ports, and switch the
- * selectable USB port to USB device mode. */
- writel(readl(S3C2410_MISCCR) & ~0x00003008, S3C2410_MISCCR);
-
- /* Turn off the D+ pull up for 3 seconds so that the USB host
- * at the other end will do a rescan of the USB bus. */
- s3c2410_gpio_setpin(S3C2410_GPB3, 0);
-
- msleep_interruptible(3*HZ);
-
- s3c2410_gpio_setpin(S3C2410_GPB3, 1);
-
- return 0;
-}
-
+/* GPB3 is the line that controls the pull-up for the USB D+ line */
void __init n30_init(void)
{
s3c_device_i2c.dev.platform_data = &n30_i2ccfg;
- kthread_run(n30_usbstart_thread, NULL, "n30_usbstart");
+ /* Turn off suspend on both USB ports, and switch the
+ * selectable USB port to USB device mode. */
+
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1, 0x0);
}
MACHINE_START(N30, "Acer-N30")
- /* Maintainer: Christer Weinigel <christer@weinigel.se>, Ben Dooks <ben-linux@fluff.org> */
+ /* Maintainer: Christer Weinigel <christer@weinigel.se>,
+ Ben Dooks <ben-linux@fluff.org>
+ */
.phys_ram = S3C2410_SDRAM_PA,
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,