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authorBrian Norris <computersforpeace@gmail.com>2012-05-22 23:50:00 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-07-06 18:17:05 +0100
commit1696e6bc2ae83734e64e206ac99766ea19e9a14e (patch)
tree7abaa256687acd2495ba4c88c65532c2ab7df624 /drivers/mtd/nand/nand_base.c
parent63d99c0e89039e1509209d36ee17fc374fd112c9 (diff)
mtd: nand: kill NAND_NO_READRDY
According to its documentation, the NAND_NO_READRDY option is always used when autoincrement is not supported. Autoincrement support was recently dropped, so we can drop this options as well (defaulting to "no read ready check"). Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r--drivers/mtd/nand/nand_base.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a11253a0fca..0a8724e657d 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1565,14 +1565,6 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
oobreadlen -= toread;
}
}
-
- if (!(chip->options & NAND_NO_READRDY)) {
- /* Apply delay or wait for ready/busy pin */
- if (!chip->dev_ready)
- udelay(chip->chip_delay);
- else
- nand_wait_ready(mtd);
- }
} else {
memcpy(buf, chip->buffers->databuf + col, bytes);
buf += bytes;
@@ -1837,14 +1829,6 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
len = min(len, readlen);
buf = nand_transfer_oob(chip, buf, ops, len);
- if (!(chip->options & NAND_NO_READRDY)) {
- /* Apply delay or wait for ready/busy pin */
- if (!chip->dev_ready)
- udelay(chip->chip_delay);
- else
- nand_wait_ready(mtd);
- }
-
readlen -= len;
if (!readlen)
break;
@@ -2915,7 +2899,6 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
*busw = NAND_BUSWIDTH_16;
chip->options &= ~NAND_CHIPOPTIONS_MSK;
- chip->options |= NAND_NO_READRDY & NAND_CHIPOPTIONS_MSK;
pr_info("ONFI flash detected\n");
return 1;