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: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Liu Xiang <liu.xiang6@xxxxxxxxxx>
---
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
