mtd: nand: omap: fix error-codes returned from omap-elm driver
This patch
omap-elm.c: replaces -ve integer value returned during errorneous condition,
with proper error-codes.
omap-gpmc.c: updates omap-gpmc driver to pass error-codes returned from
omap-elm driver to upper layers
Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/mtd/nand/omap_elm.c b/drivers/mtd/nand/omap_elm.c
index afa629a..d963e6c 100644
--- a/drivers/mtd/nand/omap_elm.c
+++ b/drivers/mtd/nand/omap_elm.c
@@ -19,6 +19,7 @@
#include <linux/mtd/omap_elm.h>
#include <asm/arch/hardware.h>
+#define DRIVER_NAME "omap-elm"
#define ELM_DEFAULT_POLY (0)
struct elm *elm_cfg;
@@ -113,8 +114,10 @@
/* check if correctable */
location_status = readl(&elm_cfg->error_location[poly].location_status);
- if (!(location_status & ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK))
- return -1;
+ if (!(location_status & ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK)) {
+ printf("%s: uncorrectable ECC errors\n", DRIVER_NAME);
+ return -EBADMSG;
+ }
/* get error count */
*error_count = readl(&elm_cfg->error_location[poly].location_status) &