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ARM: OMAP: Allow platforms to hook reset cleanly

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This adds a clean method to allow platforms to hook into the reset
code if they require to.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Russell King - ARM Linux
2011-01-27 16:39:45 -08:00
committed by Tony Lindgren
parent 277a28567f
commit ee54dba9c3
6 changed files with 91 additions and 86 deletions
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5
arch/arm/mach-omap2/prcm.c
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@@ -24,6 +24,7 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <mach/system.h>
#include <plat/common.h>
#include <plat/prcm.h>
#include <plat/irqs.h>
@@ -57,7 +58,7 @@ u32 omap_prcm_get_reset_sources(void)
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, const char *cmd)
static void omap_prcm_arch_reset(char mode, const char *cmd)
{
s16 prcm_offs = 0;
@@ -108,6 +109,8 @@ void omap_prcm_arch_reset(char mode, const char *cmd)
omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */
}
void (*arch_reset)(char, const char *) = omap_prcm_arch_reset;
/**
* omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
* @reg: physical address of module IDLEST register