The CFI driver does not reset the device's watchdog, so long-running
flash operations will cause the watchdog timer to expire. A comment in
flash_status_check() suggests that udelay() is expected to reset the
watchdog, but I can't find any architecture where it does.
Signed-off-by: Ingo van Lil <ing...@gmx.de>
---
drivers/mtd/cfi_flash.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 6eea49a..5dcd62d 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -39,6 +39,7 @@
#include <asm/io.h>
#include <asm/byteorder.h>
#include <environment.h>
+#include <watchdog.h>
/*
* This file implements a Common Flash Interface (CFI) driver for
@@ -675,7 +676,8 @@ static int flash_status_check (flash_info_t * info,
flash_sect_t sector,
flash_write_cmd (info, sector, 0, info->cmd_reset);
return ERR_TIMOUT;
}
- udelay (1); /* also triggers watchdog */
+ udelay (1);
+ WATCHDOG_RESET();
}
return ERR_OK;
}
--
1.6.2.5
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