From 41fe242979e463d6ad251077ded01b825a330b7e Mon Sep 17 00:00:00 2001 From: Liu Xiang Date: Tue, 28 Aug 2018 22:32:57 +0800 Subject: mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB If the size of spi-nor flash is larger than 16MB, the read_opcode is set to SPINOR_OP_READ_1_1_4_4B, and fsl_qspi_get_seqid() will return -EINVAL when cmd is SPINOR_OP_READ_1_1_4_4B. This can cause read operation fail. Fixes: e46ecda764dc ("mtd: spi-nor: Add Freescale QuadSPI driver") Cc: Signed-off-by: Liu Xiang Signed-off-by: Boris Brezillon --- drivers/mtd/spi-nor/fsl-quadspi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/mtd') diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index d1ace310e7c1..1ff3430f82c8 100644 --- a/drivers/mtd/spi-nor/fsl-quadspi.c +++ b/drivers/mtd/spi-nor/fsl-quadspi.c @@ -478,6 +478,7 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd) { switch (cmd) { case SPINOR_OP_READ_1_1_4: + case SPINOR_OP_READ_1_1_4_4B: return SEQID_READ; case SPINOR_OP_WREN: return SEQID_WREN; -- cgit v1.2.3