Commit f636d921 authored Jan 09, 2026 by Miquel Raynal

mtd: spinand: Warn if using SSDR-only vendor commands in a non SSDR mode

Both Macronix and Winbond have chip specific operations which are SSDR
only. Trying to use them in an ODTR setup will fail and doing this is a
pure software bug. Warn explicitly in this case.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

parent 0a331a18

drivers/mtd/nand/spi/macronix.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,8 @@ static SPINAND_OP_VARIANTS(macronix_ops,
		static struct spi_mem_op
		spinand_fill_macronix_read_eccsr_op(struct spinand_device spinand, void valptr)
		{
		WARN_ON_ONCE(spinand->bus_iface != SSDR);

		return (struct spi_mem_op)SPINAND_MACRONIX_READ_ECCSR_1S_0_1S(valptr);
		}

drivers/mtd/nand/spi/winbond.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -114,6 +114,8 @@ static SPINAND_OP_VARIANTS(winbond_w25_ops,
		static struct spi_mem_op
		spinand_fill_winbond_select_target_op(struct spinand_device spinand, void valptr)
		{
		WARN_ON_ONCE(spinand->bus_iface != SSDR);

		return (struct spi_mem_op)SPINAND_WINBOND_SELECT_TARGET_1S_0_1S(valptr);
		}