diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2022-01-07 10:46:13 -0800 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2022-01-23 16:37:19 +0100 |
| commit | 5abd37f6e9d653b748a1acad7e0abcbe540e896a (patch) | |
| tree | 3d110997666da2c0b63475f38f598df88264d350 /drivers/mtd/nand/raw/brcmnand/brcmnand.c | |
| parent | 8e5913005f7bfcebd1c67df63fb63bcbb3bfc302 (diff) | |
| download | linux-5abd37f6e9d653b748a1acad7e0abcbe540e896a.tar.bz2 | |
mtd: rawnand: brcmnand: BCMA controller uses command shift of 0
For some odd and unexplained reason the BCMA NAND controller, albeit
revision 3.4 uses a command shift of 0 instead of 24 as it should be,
quirk that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220107184614.2670254-9-f.fainelli@gmail.com
Diffstat (limited to 'drivers/mtd/nand/raw/brcmnand/brcmnand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index eab19df152f3..4759303ece7c 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -916,6 +916,12 @@ static void brcmnand_wr_corr_thresh(struct brcmnand_host *host, u8 val) static inline int brcmnand_cmd_shift(struct brcmnand_controller *ctrl) { + /* Kludge for the BCMA-based NAND controller which does not actually + * shift the command + */ + if (ctrl->nand_version == 0x0304 && brcmnand_non_mmio_ops(ctrl)) + return 0; + if (ctrl->nand_version < 0x0602) return 24; return 0; |