Commit 5abd37f6 authored by Florian Fainelli's avatar Florian Fainelli Committed by Miquel Raynal
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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: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220107184614.2670254-9-f.fainelli@gmail.com
parent 8e591300

drivers/mtd/nand/raw/brcmnand/brcmnand.c

+6 −0
Original line number Diff line number Diff line
@@ -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;