diff options
Diffstat (limited to 'drivers/mtd/devices/doc2000.c')
-rw-r--r-- | drivers/mtd/devices/doc2000.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index 5fc532895a2..be5e88b3888 100644 --- a/drivers/mtd/devices/doc2000.c +++ b/drivers/mtd/devices/doc2000.c @@ -4,7 +4,7 @@ * (c) 1999 Machine Vision Holdings, Inc. * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org> * - * $Id: doc2000.c,v 1.66 2005/01/05 18:05:12 dwmw2 Exp $ + * $Id: doc2000.c,v 1.67 2005/11/07 11:14:24 gleixner Exp $ */ #include <linux/kernel.h> @@ -58,7 +58,7 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); -static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, +static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, @@ -76,14 +76,14 @@ static void DoC_Delay(struct DiskOnChip *doc, unsigned short cycles) { volatile char dummy; int i; - + for (i = 0; i < cycles; i++) { if (DoC_is_Millennium(doc)) dummy = ReadDOC(doc->virtadr, NOP); else dummy = ReadDOC(doc->virtadr, DOCStatus); } - + } /* DOC_WaitReady: Wait for RDY line to be asserted by the flash chip */ @@ -220,8 +220,8 @@ static int DoC_Address(struct DiskOnChip *doc, int numbytes, unsigned long ofs, WriteDOC(ofs & 0xff, docptr, WritePipeTerm); DoC_Delay(doc, 2); /* Needed for some slow flash chips. mf. */ - - /* FIXME: The SlowIO's for millennium could be replaced by + + /* FIXME: The SlowIO's for millennium could be replaced by a single WritePipeTerm here. mf. */ /* Lower the ALE line */ @@ -377,9 +377,9 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip) if (mfr == 0xff || mfr == 0) return 0; - /* Check it's the same as the first chip we identified. + /* Check it's the same as the first chip we identified. * M-Systems say that any given DiskOnChip device should only - * contain _one_ type of flash part, although that's not a + * contain _one_ type of flash part, although that's not a * hardware restriction. */ if (doc->mfr) { if (doc->mfr == mfr && doc->id == id) @@ -397,7 +397,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip) for (j = 0; nand_manuf_ids[j].id != 0x0; j++) { if (nand_manuf_ids[j].id == mfr) break; - } + } printk(KERN_INFO "Flash chip found: Manufacturer ID: %2.2X, " "Chip ID: %2.2X (%s:%s)\n", mfr, id, @@ -405,7 +405,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip) if (!doc->mfr) { doc->mfr = mfr; doc->id = id; - doc->chipshift = + doc->chipshift = ffs((nand_flash_ids[i].chipsize << 20)) - 1; doc->page256 = (nand_flash_ids[i].pagesize == 256) ? 1 : 0; doc->pageadrlen = doc->chipshift > 25 ? 3 : 2; @@ -467,7 +467,7 @@ static void DoC_ScanChips(struct DiskOnChip *this, int maxchips) ret = 0; - /* Fill out the chip array with {floor, chipno} for each + /* Fill out the chip array with {floor, chipno} for each * detected chip in the device. */ for (floor = 0; floor < MAX_FLOORS; floor++) { for (chip = 0; chip < numchips[floor]; chip++) { @@ -757,12 +757,12 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, (long)from, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3], eccbuf[4], eccbuf[5]); #endif - + /* disable the ECC engine */ WriteDOC(DOC_ECC_DIS, docptr , ECCConf); } - /* according to 11.4.1, we need to wait for the busy line + /* according to 11.4.1, we need to wait for the busy line * drop if we read to the end of the page. */ if(0 == ((from + len) & 0x1ff)) { @@ -941,7 +941,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, /* Let the caller know we completed it */ *retlen += len; - + if (eccbuf) { unsigned char x[8]; size_t dummy; @@ -950,10 +950,10 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, /* Write the ECC data to flash */ for (di=0; di<6; di++) x[di] = eccbuf[di]; - + x[6]=0x55; x[7]=0x55; - + ret = doc_write_oob_nolock(mtd, to, 8, &dummy, x); if (ret) { up(&this->lock); @@ -970,7 +970,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, return 0; } -static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, +static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel) { @@ -1022,7 +1022,7 @@ static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, break; to += thislen; - } + } up(&writev_buf_sem); *retlen = totretlen; @@ -1080,7 +1080,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, /* Reading the full OOB data drops us off of the end of the page, * causing the flash device to go into busy mode, so we need * to wait until ready 11.4.1 and Toshiba TC58256FT docs */ - + ret = DoC_WaitReady(this); up(&this->lock); @@ -1190,7 +1190,7 @@ static int doc_write_oob_nolock(struct mtd_info *mtd, loff_t ofs, size_t len, return 0; } - + static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, size_t * retlen, const u_char * buf) { @@ -1222,7 +1222,7 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *instr) } instr->state = MTD_ERASING; - + /* FIXME: Do this in the background. Use timers or schedule_task() */ while(len) { mychip = &this->chips[ofs >> this->chipshift]; |