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@xxxxxxxxx> --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 2f2aaa554282..2dfb94c4cc93 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -908,6 +908,12 @@ 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_soc_has_ops(ctrl->soc)) + return 0; + if (ctrl->nand_version < 0x0602) return 24; return 0; -- 2.25.1