driver/nand:Define MAX_BANKS same as SoC defined for IFC

The number of chip select used by IFC controller vary from one SoC to other.
For eg. P1010 has 4, T4240 has 8.

Update MAX_BANKS same as SoC defined

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index be5a16a..27f5177 100644 (file)
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -19,8 +19,12 @@
 #include <asm/errno.h>
 #include <fsl_ifc.h>
 
+#ifndef CONFIG_SYS_FSL_IFC_BANK_COUNT
+#define CONFIG_SYS_FSL_IFC_BANK_COUNT  4
+#endif
+
 #define FSL_IFC_V1_1_0 0x01010000
-#define MAX_BANKS      4
+#define MAX_BANKS      CONFIG_SYS_FSL_IFC_BANK_COUNT
 #define ERR_BYTE       0xFF /* Value returned for read bytes
                                when read failed */
 #define IFC_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for IFC