[PATCH v2 1/4] mtd: spi-nor: sfdp: Update params->hwcaps.mask at xSPI profile 1.0 table parse
tkuw584924 at gmail.com
tkuw584924 at gmail.com
Tue Aug 30 21:59:03 PDT 2022
From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
Existece of xSPI profile 1.0 table implies that the flash supports read
and program in 8D-8D-8D mode. Update the params->hwcaps.mask in
spi_nor_parase_profile1().
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
---
drivers/mtd/spi-nor/sfdp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c
index 2257f1b4c2e2..15fb7f661ae9 100644
--- a/drivers/mtd/spi-nor/sfdp.c
+++ b/drivers/mtd/spi-nor/sfdp.c
@@ -1183,10 +1183,17 @@ static int spi_nor_parse_profile1(struct spi_nor *nor,
dummy = round_up(dummy, 2);
/* Update the fast read settings. */
+ nor->params->hwcaps.mask |= SNOR_HWCAPS_READ_8_8_8_DTR;
spi_nor_set_read_settings(&nor->params->reads[SNOR_CMD_READ_8_8_8_DTR],
0, dummy, opcode,
SNOR_PROTO_8_8_8_DTR);
+ /*
+ * Page Program is "Required Command" in the xSPI Profile 1.0. Update
+ * the params->hwcaps.mask here.
+ */
+ nor->params->hwcaps.mask |= SNOR_HWCAPS_PP_8_8_8_DTR;
+
out:
kfree(dwords);
return ret;
--
2.25.1
More information about the linux-mtd
mailing list