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authorBoris Brezillon <boris.brezillon@free-electrons.com>2017-05-16 18:27:49 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-06-01 10:09:33 +0200
commit41145649f4acb30249b636b945053db50c9331c5 (patch)
tree0d1a10e2aae6967ac3401f2217f3f5e8019985dd /drivers/mtd/nand
parentmtd: nand: tango: Fix incorrect use of SEQIN command (diff)
downloadlinux-dev-41145649f4acb30249b636b945053db50c9331c5.tar.xz
linux-dev-41145649f4acb30249b636b945053db50c9331c5.zip
mtd: nand: Wait for PAGEPROG to finish in drivers setting NAND_ECC_CUSTOM_PAGE_ACCESS
Drivers setting NAND_ECC_CUSTOM_PAGE_ACCESS are supposed to handle the full read/write page sequence, and waiting for a page to actually be programmed is part of this write-page sequence. This is also what is done in ->write_oob_xxx() hooks, so let's do that in ->write_page_xxx() as well to make it consistent. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/atmel/nand-controller.c6
-rw-r--r--drivers/mtd/nand/nand_base.c10
-rw-r--r--drivers/mtd/nand/nand_micron.c10
-rw-r--r--drivers/mtd/nand/tango_nand.c13
4 files changed, 31 insertions, 8 deletions
diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index 846c555e470b..6055831c953f 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -917,7 +917,7 @@ static int atmel_hsmc_nand_pmecc_write_pg(struct nand_chip *chip,
struct mtd_info *mtd = nand_to_mtd(chip);
struct atmel_nand *nand = to_atmel_nand(chip);
struct atmel_hsmc_nand_controller *nc;
- int ret;
+ int ret, status;
nc = to_hsmc_nand_controller(chip->controller);
@@ -959,6 +959,10 @@ static int atmel_hsmc_nand_pmecc_write_pg(struct nand_chip *chip,
dev_err(nc->base.dev, "Failed to program NAND page (err = %d)\n",
ret);
+ status = chip->waitfunc(mtd, chip);
+ if (status & NAND_STATUS_FAIL)
+ return -EIO;
+
return ret;
}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index df613125795b..4b4fea4a3d1f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2750,11 +2750,13 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
if (status < 0)
return status;
- if (nand_standard_page_accessors(&chip->ecc))
+ if (nand_standard_page_accessors(&chip->ecc)) {
chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
- status = chip->waitfunc(mtd, chip);
- if (status & NAND_STATUS_FAIL)
- return -EIO;
+
+ status = chip->waitfunc(mtd, chip);
+ if (status & NAND_STATUS_FAIL)
+ return -EIO;
+ }
return 0;
}
diff --git a/drivers/mtd/nand/nand_micron.c b/drivers/mtd/nand/nand_micron.c
index 9993f8ead1e2..c30ab60f8e1b 100644
--- a/drivers/mtd/nand/nand_micron.c
+++ b/drivers/mtd/nand/nand_micron.c
@@ -151,15 +151,18 @@ micron_nand_write_page_on_die_ecc(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *buf, int oob_required,
int page)
{
+ int status;
+
micron_nand_on_die_ecc_setup(chip, true);
chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
nand_write_page_raw(mtd, chip, buf, oob_required, page);
chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
micron_nand_on_die_ecc_setup(chip, false);
- return 0;
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
}
static int
@@ -180,11 +183,14 @@ micron_nand_write_page_raw_on_die_ecc(struct mtd_info *mtd,
const uint8_t *buf, int oob_required,
int page)
{
+ int status;
+
chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
nand_write_page_raw(mtd, chip, buf, oob_required, page);
chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
- return 0;
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
}
enum {
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index 201979f0c1bd..dddc4fa7beb6 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -295,7 +295,7 @@ static int tango_write_page(struct mtd_info *mtd, struct nand_chip *chip,
const u8 *buf, int oob_required, int page)
{
struct tango_nfc *nfc = to_tango_nfc(chip->controller);
- int err, len = mtd->writesize;
+ int err, status, len = mtd->writesize;
/* Calling tango_write_oob() would send PAGEPROG twice */
if (oob_required)
@@ -306,6 +306,10 @@ static int tango_write_page(struct mtd_info *mtd, struct nand_chip *chip,
if (err)
return err;
+ status = chip->waitfunc(mtd, chip);
+ if (status & NAND_STATUS_FAIL)
+ return -EIO;
+
return 0;
}
@@ -423,9 +427,16 @@ static int tango_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
static int tango_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
const u8 *buf, int oob_required, int page)
{
+ int status;
+
chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0, page);
raw_write(chip, buf, chip->oob_poi);
chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+
+ status = chip->waitfunc(mtd, chip);
+ if (status & NAND_STATUS_FAIL)
+ return -EIO;
+
return 0;
}