diff options
| author | Kamal Dasu <kdasu.kdev@gmail.com> | 2021-03-11 18:09:09 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-03-28 19:12:57 +0200 |
| commit | 22ca05b82d3e3abc2b116a11ee41b6b692b95530 (patch) | |
| tree | 1991aecafa319389dd88fcdf701125d5deb437e3 /drivers/mtd | |
| parent | mtd: rawnand: brcmnand: read/write oob during EDU transfer (diff) | |
| download | linux-22ca05b82d3e3abc2b116a11ee41b6b692b95530.tar.xz linux-22ca05b82d3e3abc2b116a11ee41b6b692b95530.zip | |
mtd: rawnand: brcmnand: move to polling in pio mode on oops write
This change makes sure that Broadcom NAND driver moves to interrupt
polling on the first brcmnand_write() call.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210311170909.9031-2-kdasu.kdev@gmail.com
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/brcmnand/brcmnand.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 31ef2f13ab64..f75929783b94 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2341,6 +2341,10 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip, for (i = 0; i < ctrl->max_oob; i += 4) oob_reg_write(ctrl, i, 0xffffffff); + if (mtd->oops_panic_write) + /* switch to interrupt polling and PIO mode */ + disable_ctrl_irqs(ctrl); + if (use_dma(ctrl) && (has_edu(ctrl) || !oob) && flash_dma_buf_ok(buf)) { if (ctrl->dma_trans(host, addr, (u32 *)buf, oob, mtd->writesize, CMD_PROGRAM_PAGE)) |