diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 10:07:49 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 10:07:49 -0700 |
commit | a7c367b95a9d8e65e0f0e7da31f700a556794efb (patch) | |
tree | 5b1bb202801e29e3237381aa7aad5aa288378d5b /drivers/mtd/nand/pxa3xx_nand.c | |
parent | 15f964bed054821d6d940d3752508c5f96a9ffd3 (diff) | |
parent | e1070211f7327a1f197d535aa886f721a241c32f (diff) |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (58 commits)
mtd: jedec_probe: add PSD4256G6V id
mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board)
mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board)
m25p80: Add Spansion S25FL129P serial flashes
jffs2: Use SLAB_HWCACHE_ALIGN for jffs2_raw_{dirent,inode} slabs
mtd: sh_flctl: register sh_flctl using platform_driver_probe()
mtd: nand: txx9ndfmc: transfer 512 byte at a time if possible
mtd: nand: fix tmio_nand ecc correction
mtd: nand: add __nand_correct_data helper function
mtd: cfi_cmdset_0002: add 0xFF intolerance for M29W128G
mtd: inftl: fix fold chain block number
mtd: jedec: fix compilation problem with I28F640C3B definition
mtd: nand: fix ECC Correction bug for SMC ordering for NDFC driver
mtd: ofpart: Check availability of reg property instead of name property
driver/Makefile: Initialize "mtd" and "spi" before "net"
mtd: omap: adding DMA mode support in nand prefetch/post-write
mtd: omap: add support for nand prefetch-read and post-write
mtd: add nand support for w90p910 (v2)
mtd: maps: add mtd-ram support to physmap_of
mtd: pxa3xx_nand: add single-bit error corrections reporting
...
Diffstat (limited to 'drivers/mtd/nand/pxa3xx_nand.c')
-rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 30a8ce6d3e6..6ea520ae241 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -102,6 +102,7 @@ enum { ERR_SENDCMD = -2, ERR_DBERR = -3, ERR_BBERR = -4, + ERR_SBERR = -5, }; enum { @@ -564,11 +565,13 @@ static irqreturn_t pxa3xx_nand_irq(int irq, void *devid) status = nand_readl(info, NDSR); - if (status & (NDSR_RDDREQ | NDSR_DBERR)) { + if (status & (NDSR_RDDREQ | NDSR_DBERR | NDSR_SBERR)) { if (status & NDSR_DBERR) info->retcode = ERR_DBERR; + else if (status & NDSR_SBERR) + info->retcode = ERR_SBERR; - disable_int(info, NDSR_RDDREQ | NDSR_DBERR); + disable_int(info, NDSR_RDDREQ | NDSR_DBERR | NDSR_SBERR); if (info->use_dma) { info->state = STATE_DMA_READING; @@ -670,7 +673,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command, if (prepare_read_prog_cmd(info, cmdset->read1, column, page_addr)) break; - pxa3xx_nand_do_cmd(info, NDSR_RDDREQ | NDSR_DBERR); + pxa3xx_nand_do_cmd(info, NDSR_RDDREQ | NDSR_DBERR | NDSR_SBERR); /* We only are OOB, so if the data has error, does not matter */ if (info->retcode == ERR_DBERR) @@ -687,7 +690,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command, if (prepare_read_prog_cmd(info, cmdset->read1, column, page_addr)) break; - pxa3xx_nand_do_cmd(info, NDSR_RDDREQ | NDSR_DBERR); + pxa3xx_nand_do_cmd(info, NDSR_RDDREQ | NDSR_DBERR | NDSR_SBERR); if (info->retcode == ERR_DBERR) { /* for blank page (all 0xff), HW will calculate its ECC as @@ -861,8 +864,12 @@ static int pxa3xx_nand_ecc_correct(struct mtd_info *mtd, * consider it as a ecc error which will tell the caller the * read fail We have distinguish all the errors, but the * nand_read_ecc only check this function return value + * + * Corrected (single-bit) errors must also be noted. */ - if (info->retcode != ERR_NONE) + if (info->retcode == ERR_SBERR) + return 1; + else if (info->retcode != ERR_NONE) return -1; return 0; |