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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 11:29:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 11:29:54 -0700
commit623fa579e61f250c1913c70257ef3a753820bb68 (patch)
tree179fcff4a0469bfa9a9ce5cab14fff6141810cd0 /include/linux
parentd65f5c5803d9cd6fa0b540a0dddf956be671bc36 (diff)
parente4c094a595ba8ea402e6b2153f7bbf6ef039eea0 (diff)
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: [MTD] [NAND] drivers/mtd/nand/nandsim.c: fix printk warnings [MTD] [NAND] Blackfin NFC Driver: Cleanup the error exit path of bf5xx_nand_probe function [MTD] [NAND] Blackfin NFC Driver: use standard dev_err() rather than printk() [MTD] [NAND] Blackfin NFC Driver: enable Blackfin nand HWECC support by default [MTD] [NAND] Blackfin NFC Driver: add proper devinit/devexit markings to probe/remove functions [MTD] [NAND] Blackfin NFC Driver: add support for the ECC layout the Blackfin bootrom uses [MTD] [NAND] Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10 [MTD] [NAND] Blackfin NFC Driver: fix bug - do not clobber the status from the first 256 bytes if operating on 512 pages [MTD] [NAND] diskonchip.c fix sparse endian warnings [MTD] [NAND] drivers/mtd/nand/nandsim.c needs div64.h [JFFS2] Fix allocation of summary buffer Fix rename of at91_nand -> atmel_nand [MTD] [NOR] drivers/mtd/chips/jedec_probe.c: fix Am29DL800BB device ID [MTD] MTD_DEBUG always does compile-time typechecks [MTD] DataFlash: bugfix, binary page sizes now handled [MTD] [NAND] fsl_elbc_nand.c: fix printk warning [MTD] [NAND] nandsim: support random page read command [MTD] [NAND] fix subpage read for small page NAND
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mtd/mtd.h6
-rw-r--r--include/linux/mtd/nand.h4
2 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 4ed40caff4e..92263654855 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -272,7 +272,11 @@ static inline void mtd_erase_callback(struct erase_info *instr)
printk(KERN_INFO args); \
} while(0)
#else /* CONFIG_MTD_DEBUG */
-#define DEBUG(n, args...) do { } while(0)
+#define DEBUG(n, args...) \
+ do { \
+ if (0) \
+ printk(KERN_INFO args); \
+ } while(0)
#endif /* CONFIG_MTD_DEBUG */
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)