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- From: Florian Fainelli <[email protected]>
- Subject: [PATCH v3 8/9] mtd: rawnand: brcmnand: BCMA controller uses command shift of 0
- Date: Fri, 07 Jan 2022 10:46:13 -0800
- Content-Type: text/plain; charset="utf-8"
- 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 <[email protected]>
- ---
- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 ++++++
- 1 file changed, 6 insertions(+)
- --- 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(stru
-
- 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;
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