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This pull request contains the following regression fixes: 

* Fixed bitflip handling in brcmnand and gpmi nand drivers
 * Reverted a bad device tree binding for spi-nor
 * Fixed a copy&paste error in gpio-nand driver
 * Fixed a too strict length check in mtd core
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Merge tag 'for-linus-20171218' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Richard Weinberger:
 "This contains the following regression fixes:

   - fix bitflip handling in brcmnand and gpmi nand drivers

   - revert a bad device tree binding for spi-nor

   - fix a copy&paste error in gpio-nand driver

   - fix a too strict length check in mtd core"

* tag 'for-linus-20171218' of git://git.infradead.org/linux-mtd:
  mtd: Fix mtd_check_oob_ops()
  mtd: nand: gpio: Fix ALE gpio configuration
  mtd: nand: brcmnand: Zero bitflip is not an error
  mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
  Revert "dt-bindings: mtd: add sst25wf040b and en25s64 to sip-nor list"
This commit is contained in:
Linus Torvalds 2017-12-18 16:18:01 -08:00
parent cb81fc6a3c d82c368216
commit ace52288ed
5 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt
View File

@ -13,7 +13,6 @@ Required properties:
at25df321a
at25df641
at26df081a
en25s64
mr25h128
mr25h256
mr25h10
@ -33,7 +32,6 @@ Required properties:
s25fl008k
s25fl064k
sst25vf040b
sst25wf040b
m25p40
m25p80
m25p16

2
drivers/mtd/mtdcore.c
View File

@ -1114,7 +1114,7 @@ static int mtd_check_oob_ops(struct mtd_info *mtd, loff_t offs,
if (!ops->oobbuf)
ops->ooblen = 0;
if (offs < 0 || offs + ops->len >= mtd->size)
if (offs < 0 || offs + ops->len > mtd->size)
return -EINVAL;
if (ops->ooblen) {

2
drivers/mtd/nand/brcmnand/brcmnand.c
View File

@ -1763,7 +1763,7 @@ try_dmaread:
err = brcmstb_nand_verify_erased_page(mtd, chip, buf,
addr);
/* erased page bitflips corrected */
if (err > 0)
if (err >= 0)
return err;
}

6
drivers/mtd/nand/gpio.c
View File

@ -253,9 +253,9 @@ static int gpio_nand_probe(struct platform_device *pdev)
goto out_ce;
}
gpiomtd->nwp = devm_gpiod_get(dev, "ale", GPIOD_OUT_LOW);
if (IS_ERR(gpiomtd->nwp)) {
ret = PTR_ERR(gpiomtd->nwp);
gpiomtd->ale = devm_gpiod_get(dev, "ale", GPIOD_OUT_LOW);
if (IS_ERR(gpiomtd->ale)) {
ret = PTR_ERR(gpiomtd->ale);
goto out_ce;
}

6
drivers/mtd/nand/gpmi-nand/gpmi-nand.c
View File

@ -1067,9 +1067,6 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
return ret;
}
/* handle the block mark swapping */
block_mark_swapping(this, payload_virt, auxiliary_virt);
/* Loop over status bytes, accumulating ECC status. */
status = auxiliary_virt + nfc_geo->auxiliary_status_offset;
@ -1158,6 +1155,9 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
max_bitflips = max_t(unsigned int, max_bitflips, *status);
}
/* handle the block mark swapping */
block_mark_swapping(this, buf, auxiliary_virt);
if (oob_required) {
/*
* It's time to deliver the OOB bytes. See gpmi_ecc_read_oob()