[ARM] 3132/1: S3C2410 - reset on decompression error

Patch from Ben Dooks

Force a watchdog reset if the system fails to
decompress properly.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 50f13eec6cd7..5ab94584baee 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -283,8 +283,14 @@ void flush_window(void)
         putstr(".");
 }
 
+#ifndef arch_error
+#define arch_error(x)
+#endif
+
 static void error(char *x)
 {
+        arch_error(x);
+
         putstr("\n\n");
         putstr(x);
         putstr("\n\n -- System halted");
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index c796bcdd6158..0b9d7ca49ec1 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -121,6 +121,14 @@ config S3C2410_BOOT_WATCHDOG
           system resets depends on the value of PCLK. The timeout on an
           200MHz s3c2410 should be about 30 seconds.
 
+config S3C2410_BOOT_ERROR_RESET
+        bool "S3C2410 Reboot on decompression error"
+        depends on ARCH_S3C2410
+        help
+          Say y here to use the watchdog to reset the system if the
+          kernel decompressor detects an error during decompression.
+
+
 comment "S3C2410 Setup"
 
 config S3C2410_DMA