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-rw-r--r--arch/arm/cpu/armv7/omap3/boot.c14
-rw-r--r--arch/arm/include/asm/arch-omap3/omap.h4
2 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/omap3/boot.c b/arch/arm/cpu/armv7/omap3/boot.c
index 44d7c30662..259c210015 100644
--- a/arch/arm/cpu/armv7/omap3/boot.c
+++ b/arch/arm/cpu/armv7/omap3/boot.c
@@ -57,11 +57,14 @@ u32 omap_sys_boot_device(void)
return boot_devices[sys_boot];
}
-char omap_reboot_mode(void)
+int omap_reboot_mode(char *mode, unsigned int length)
{
u32 reboot_mode;
char c;
+ if (length < 2)
+ return -1;
+
reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + 4));
c = (reboot_mode >> 24) & 0xff;
@@ -74,7 +77,10 @@ char omap_reboot_mode(void)
c = reboot_mode & 0xff;
- return c;
+ mode[0] = c;
+ mode[1] = '\0';
+
+ return 0;
}
int omap_reboot_mode_clear(void)
@@ -84,11 +90,11 @@ int omap_reboot_mode_clear(void)
return 0;
}
-int omap_reboot_mode_store(char c)
+int omap_reboot_mode_store(char *mode)
{
u32 reboot_mode;
- reboot_mode = 'B' << 24 | 'M' << 16 | c;
+ reboot_mode = 'B' << 24 | 'M' << 16 | mode[0];
writel(reboot_mode, (u32 *)(OMAP34XX_SCRATCHPAD + 4));
diff --git a/arch/arm/include/asm/arch-omap3/omap.h b/arch/arm/include/asm/arch-omap3/omap.h
index 2c94a814ef..4044b8d725 100644
--- a/arch/arm/include/asm/arch-omap3/omap.h
+++ b/arch/arm/include/asm/arch-omap3/omap.h
@@ -260,9 +260,9 @@ struct omap_boot_parameters {
unsigned int boot_device_descriptor;
};
-char omap_reboot_mode(void);
+int omap_reboot_mode(char *mode, unsigned int length);
int omap_reboot_mode_clear(void);
-int omap_reboot_mode_store(char c);
+int omap_reboot_mode_store(char *mode);
#endif
#endif
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