Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (63 commits)
  mtd: OneNAND: Allow setting of boundary information when built as module
  jffs2: leaking jffs2_summary in function jffs2_scan_medium
  mtd: nand: Fix memory leak on txx9ndfmc probe failure.
  mtd: orion_nand: use burst reads with double word accesses
  mtd/nand: s3c6400 support for s3c2410 driver
  [MTD] [NAND] S3C2410: Use DIV_ROUND_UP
  [MTD] [NAND] S3C2410: Deal with unaligned lengths in S3C2440 buffer read/write
  [MTD] [NAND] S3C2410: Allow the machine code to get the BBT table from NAND
  [MTD] [NAND] S3C2410: Added a kerneldoc for s3c2410_nand_set
  mtd: physmap_of: Add multiple regions and concatenation support
  mtd: nand: max_retries off by one in mxc_nand
  mtd: nand: s3c2410_nand_setrate(): use correct macros for 2412/2440
  mtd: onenand: add bbt_wait & unlock_all as replaceable for some platform
  mtd: Flex-OneNAND support
  mtd: nand: add OMAP2/OMAP3 NAND driver
  mtd: maps: Blackfin async: fix memory leaks in probe/remove funcs
  mtd: uclinux: mark local stuff static
  mtd: uclinux: do not allow to be built as a module
  mtd: uclinux: allow systems to override map addr/size
  mtd: blackfin NFC: fix hang when using NAND on BF527-EZKITs
  ...

2 files changed, 25 insertions, 14 deletions

diff --git a/arch/arm/mach-davinci/include/mach/nand.h b/arch/arm/mach-davinci/include/mach/nand.h
index aa482841270..b520c4b5678 100644
--- a/arch/arm/mach-davinci/include/mach/nand.h
+++ b/arch/arm/mach-davinci/include/mach/nand.h
@@ -68,10 +68,14 @@ struct davinci_nand_pdata {		/* platform_data */
 
 	/* none  == NAND_ECC_NONE (strongly *not* advised!!)
 	 * soft  == NAND_ECC_SOFT
-	 * 1-bit == NAND_ECC_HW
-	 * 4-bit == NAND_ECC_HW_SYNDROME (not on all chips)
+	 * else  == NAND_ECC_HW, according to ecc_bits
+	 *
+	 * All DaVinci-family chips support 1-bit hardware ECC.
+	 * Newer ones also support 4-bit ECC, but are awkward
+	 * using it with large page chips.
 	 */
 	nand_ecc_modes_t	ecc_mode;
+	u8			ecc_bits;
 
 	/* e.g. NAND_BUSWIDTH_16 or NAND_USE_FLASH_BBT */
 	unsigned		options;
diff --git a/arch/arm/plat-s3c/include/plat/nand.h b/arch/arm/plat-s3c/include/plat/nand.h
index f4dcd14af05..18f958801e6 100644
--- a/arch/arm/plat-s3c/include/plat/nand.h
+++ b/arch/arm/plat-s3c/include/plat/nand.h
@@ -10,19 +10,26 @@
  * published by the Free Software Foundation.
 */
 
-/* struct s3c2410_nand_set
+/**
+ * struct s3c2410_nand_set - define a set of one or more nand chips
+ * @disable_ecc:	Entirely disable ECC - Dangerous
+ * @flash_bbt: 		Openmoko u-boot can create a Bad Block Table
+ *			Setting this flag will allow the kernel to
+ *			look for it at boot time and also skip the NAND
+ *			scan.
+ * @nr_chips:		Number of chips in this set
+ * @nr_partitions:	Number of partitions pointed to by @partitions
+ * @name:		Name of set (optional)
+ * @nr_map:		Map for low-layer logical to physical chip numbers (option)
+ * @partitions:		The mtd partition list
  *
- * define an set of one or more nand chips registered with an unique mtd
- *
- * nr_chips	 = number of chips in this set
- * nr_partitions = number of partitions pointed to be partitoons (or zero)
- * name		 = name of set (optional)
- * nr_map	 = map for low-layer logical to physical chip numbers (option)
- * partitions	 = mtd partition list
-*/
-
+ * define a set of one or more nand chips registered with an unique mtd. Also
+ * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger
+ * a warning at boot time.
+ */
 struct s3c2410_nand_set {
-	unsigned int		disable_ecc : 1;
+	unsigned int		disable_ecc:1;
+	unsigned int		flash_bbt:1;
 
 	int			nr_chips;
 	int			nr_partitions;
@@ -39,7 +46,7 @@ struct s3c2410_platform_nand {
 	int	twrph0;	/* active time for nWE/nOE */
 	int	twrph1;	/* time for release CLE/ALE from nWE/nOE inactive */
 
-	unsigned int	ignore_unset_ecc : 1;
+	unsigned int	ignore_unset_ecc:1;
 
 	int			nr_sets;
 	struct s3c2410_nand_set *sets;