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authorTom Rini <trini@ti.com>2012-11-26 14:53:33 -0700
committerTom Rini <trini@ti.com>2012-11-26 14:53:33 -0700
commitdfe161032d007e4901064ab36b58f054126b1f35 (patch)
tree5389a370fbb7cfcf070669a0dc190fc765a3c985 /include/linux
parentd6bc7dcc0347765c4621c253ea68b07985d8c1f0 (diff)
parent3287f6d3858faee768a7c47515bd21914ad591a2 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-nand-flash
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mtd/nand.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index f63e04b..e9e9045 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -194,6 +194,9 @@ typedef enum {
/* Device behaves just like nand, but is readonly */
#define NAND_ROM 0x00000800
+/* Device supports subpage reads */
+#define NAND_SUBPAGE_READ 0x00001000
+
/* Options valid for Samsung large page devices */
#define NAND_SAMSUNG_LP_OPTIONS \
(NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK)
@@ -203,9 +206,7 @@ typedef enum {
#define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING))
#define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG))
#define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK))
-/* Large page NAND with SOFT_ECC should support subpage reads */
-#define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \
- && (chip->page_shift > 9))
+#define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ))
/* Non chip related options */
/*