| Message ID | 20200519142642.24131-4-p.yadav@ti.com |
|---|---|
| State | Accepted |
| Commit | 4728f073bfc66b8b555274ef0d7741d7f5a48947 |
| Headers | show |
| Series | None | expand |
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c index 7bc302b50396..7015dccedf00 100644 --- a/drivers/spi/spi-mtk-nor.c +++ b/drivers/spi/spi-mtk-nor.c @@ -211,6 +211,10 @@ static bool mtk_nor_supports_op(struct spi_mem *mem, if (op->cmd.buswidth != 1) return false; + /* DTR ops not supported. */ + if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr) + return false; + if ((op->addr.nbytes == 3) || (op->addr.nbytes == 4)) { if ((op->data.dir == SPI_MEM_DATA_IN) && mtk_nor_match_read(op)) return true;
Double Transfer Rate (DTR) ops are added in spi-mem. But this controller doesn't support DTR transactions. Since we don't use the default supports_op(), which rejects all DTR ops, do that explicitly in our supports_op(). Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- drivers/spi/spi-mtk-nor.c | 4 ++++ 1 file changed, 4 insertions(+)