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authorMichael Walle <michael@walle.cc>2020-01-16 12:37:00 +0300
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-01-18 00:45:05 +0300
commitda2ef8124f20b4ce18d1d3d24fc7b88e687e10bb (patch)
treea436e99d9d264150d2d64a170d2653aa23c4211f /drivers/mtd
parent440b6d50254bdbd84c2a665c7f53ec69dd741a4f (diff)
downloadlinux-da2ef8124f20b4ce18d1d3d24fc7b88e687e10bb.tar.xz
mtd: spi-nor: Fix quad enable for Spansion like flashes
The commit 7b678c69c0ca ("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: 7b678c69c0ca ("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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 97f68d70cd23..b0cd443dd758 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -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]);
}