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authorIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
commit83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch)
treeaf1bbe2bac5752b69b1ac58bf5d822c735da439b /include/linux/mtd/nand.h
parente7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
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Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'include/linux/mtd/nand.h')
-rw-r--r--include/linux/mtd/nand.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 83f678702df..81774e5facf 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -177,7 +177,9 @@ 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))
-#define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT))
+/* 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))
/* Mask to zero out the chip options, which come from the id table */
#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR)