Commit 41fe2429 authored by Liu Xiang's avatar Liu Xiang Committed by Boris Brezillon

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: e46ecda7 ("mtd: spi-nor: Add Freescale QuadSPI driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarLiu Xiang <liu.xiang6@zte.com.cn>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@bootlin.com>
parent 42460c31
...@@ -478,6 +478,7 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd) ...@@ -478,6 +478,7 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
{ {
switch (cmd) { switch (cmd) {
case SPINOR_OP_READ_1_1_4: case SPINOR_OP_READ_1_1_4:
case SPINOR_OP_READ_1_1_4_4B:
return SEQID_READ; return SEQID_READ;
case SPINOR_OP_WREN: case SPINOR_OP_WREN:
return SEQID_WREN; return SEQID_WREN;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment