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This pull request contains a single fix for MTD:

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- Regression fix for the marvell nand driver.
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Merge tag 'mtd/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD fix from Richard Weinberger:
 "A single regression fix for the marvell nand driver"

* tag 'mtd/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: rawnand: marvell: Clean the controller state before each operation
This commit is contained in:
Linus Torvalds 2019-05-02 08:27:39 -07:00
commit e2a4b102d4
1 changed files with 6 additions and 6 deletions
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12
drivers/mtd/nand/raw/marvell_nand.c
View file

@ -722,12 +722,6 @@ static void marvell_nfc_select_target(struct nand_chip *chip,
struct marvell_nfc *nfc = to_marvell_nfc(chip->controller);
u32 ndcr_generic;
if (chip == nfc->selected_chip && die_nr == marvell_nand->selected_die)
return;
writel_relaxed(marvell_nand->ndtr0, nfc->regs + NDTR0);
writel_relaxed(marvell_nand->ndtr1, nfc->regs + NDTR1);
/*
* Reset the NDCR register to a clean state for this particular chip,
* also clear ND_RUN bit.
@ -739,6 +733,12 @@ static void marvell_nfc_select_target(struct nand_chip *chip,
/* Also reset the interrupt status register */
marvell_nfc_clear_int(nfc, NDCR_ALL_INT);
if (chip == nfc->selected_chip && die_nr == marvell_nand->selected_die)
return;
writel_relaxed(marvell_nand->ndtr0, nfc->regs + NDTR0);
writel_relaxed(marvell_nand->ndtr1, nfc->regs + NDTR1);
nfc->selected_chip = chip;
marvell_nand->selected_die = die_nr;
}