Commit da2ef812 authored Jan 16, 2020 by Michael Walle Committed by Miquel Raynal Jan 17, 2020

mtd: spi-nor: Fix quad enable for Spansion like flashes



The commit 7b678c69 ("mtd: spi-nor: Merge spansion Quad Enable
methods") forgot to actually set the QE bit in some cases. Thus this
breaks quad mode accesses to flashes which support readback of the
status register-2. Fix it.

Fixes: 7b678c69 ("mtd: spi-nor: Merge spansion Quad Enable methods")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

parent 440b6d50

drivers/mtd/spi-nor/spi-nor.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2124,6 +2124,8 @@ static int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor)
		if (nor->bouncebuf[0] & SR2_QUAD_EN_BIT1)
		return 0;

		nor->bouncebuf[0] \|= SR2_QUAD_EN_BIT1;

		return spi_nor_write_16bit_cr_and_check(nor, nor->bouncebuf[0]);
		}

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