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

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* git://git.infradead.org/mtd-2.6: (90 commits)
  jffs2: Fix long-standing bug with symlink garbage collection.
  mtd: OneNAND: Fix test of unsigned in onenand_otp_walk()
  mtd: cfi_cmdset_0002, fix lock imbalance
  Revert "mtd: move mxcnd_remove to .exit.text"
  mtd: m25p80: add support for Macronix MX25L4005A
  kmsg_dump: fix build for CONFIG_PRINTK=n
  mtd: nandsim: add support for 4KiB pages
  mtd: mtdoops: refactor as a kmsg_dumper
  mtd: mtdoops: make record size configurable
  mtd: mtdoops: limit the maximum mtd partition size
  mtd: mtdoops: keep track of used/unused pages in an array
  mtd: mtdoops: several minor cleanups
  core: Add kernel message dumper to call on oopses and panics
  mtd: add ARM pismo support
  mtd: pxa3xx_nand: Fix PIO data transfer
  mtd: nand: fix multi-chip suspend problem
  mtd: add support for switching old SST chips into QRY mode
  mtd: fix M29W800D dev_id and uaddr
  mtd: don't use PF_MEMALLOC
  mtd: Add bad block table overrides to Davinci NAND driver
  ...

Fixed up conflicts (mostly trivial) in
	drivers/mtd/devices/m25p80.c
	drivers/mtd/maps/pcmciamtd.c
	drivers/mtd/nand/pxa3xx_nand.c
	kernel/printk.c
This commit is contained in:
Linus Torvalds
2009-12-16 10:23:43 -08:00
parent b2adf0cbec 2e16cfca6e
commit 60d9aa758c
61 changed files with 3628 additions and 1758 deletions
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25
drivers/mtd/nand/nand_ecc.c
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@@ -150,20 +150,19 @@ static const char addressbits[256] = {
};
/**
* nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
* __nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
* block
* @mtd: MTD block structure
* @buf: input buffer with raw data
* @eccsize: data bytes per ecc step (256 or 512)
* @code: output buffer with ECC
*/
int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,
unsigned char *code)
{
int i;
const uint32_t *bp = (uint32_t *)buf;
/* 256 or 512 bytes/ecc */
const uint32_t eccsize_mult =
(((struct nand_chip *)mtd->priv)->ecc.size) >> 8;
const uint32_t eccsize_mult = eccsize >> 8;
uint32_t cur; /* current value in buffer */
/* rp0..rp15..rp17 are the various accumulated parities (per byte) */
uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
@@ -412,6 +411,22 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
(invparity[par & 0x55] << 2) |
(invparity[rp17] << 1) |
(invparity[rp16] << 0);
}
EXPORT_SYMBOL(__nand_calculate_ecc);
/**
* nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
* block
* @mtd: MTD block structure
* @buf: input buffer with raw data
* @code: output buffer with ECC
*/
int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
unsigned char *code)
{
__nand_calculate_ecc(buf,
((struct nand_chip *)mtd->priv)->ecc.size, code);
return 0;
}
EXPORT_SYMBOL(nand_calculate_ecc);