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.
--- v2: add Fixes tag and CC stable suggested by Boris. --- Fixes: e46ecda764dc ("mtd: spi-nor: Add Freescale QuadSPI driver") Cc: <sta...@vger.kernel.org> Signed-off-by: Liu Xiang <liu.xia...@zte.com.cn> --- drivers/mtd/spi-nor/fsl-quadspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 7d9620c..64304a3 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; -- 1.9.1