| Message ID | 20220107184614.2670254-9-f.fainelli@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Johannes Berg |
| Headers | show |
| Series | BCMA support for brcmnand | expand |
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;
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> --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 ++++++ 1 file changed, 6 insertions(+)