android_kernel_motorola_sm6225/arch/arm/mach-omap2/prcm.c
Tony Lindgren ae78dcf79a ARM: OMAP: Avoid sleeping during arch_reset
If we call clk_get() from arch_reset we get ugly messages before
reboot.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2006-09-25 12:41:20 +03:00

35 lines
904 B
C

/*
* linux/arch/arm/mach-omap2/prcm.c
*
* OMAP 24xx Power Reset and Clock Management (PRCM) functions
*
* Copyright (C) 2005 Nokia Corporation
*
* Written by Tony Lindgren <tony.lindgren@nokia.com>
*
* Some pieces of code Copyright (C) 2005 Texas Instruments, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
#include "prcm-regs.h"
extern void omap2_clk_prepare_for_reboot(void);
u32 omap_prcm_get_reset_sources(void)
{
return RM_RSTST_WKUP & 0x7f;
}
EXPORT_SYMBOL(omap_prcm_get_reset_sources);
/* Resets clock rates and reboots the system. Only called from system.h */
void omap_prcm_arch_reset(char mode)
{
omap2_clk_prepare_for_reboot();
RM_RSTCTRL_WKUP |= 2;
}