linux-kernel - [PATCH v4 2/3] mtd: spi-nor: Add additional octal-mode page program flags to be checked during SFDP 4BAIT parsing

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Message-Id: <20221202135539.271936-3-nathan.morrison@timesys.com>
Date:   Fri,  2 Dec 2022 08:55:38 -0500
From:   Nathan Barrett-Morrison <nathan.morrison@...esys.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     nathan.morrison@...esys.com, greg.malysa@...esys.com,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Pratyush Yadav <pratyush@...nel.org>,
        Michael Walle <michael@...le.cc>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org (open list:SPI NOR SUBSYSTEM),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 2/3] mtd: spi-nor: Add additional octal-mode page program flags to be checked during SFDP 4BAIT parsing

This adds some support for automatically searching a chip's SFDP table for:

program commands: 1S-1S-8S, 1S-8S-8S

Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@...esys.com>
---
 drivers/mtd/spi-nor/sfdp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c
index e4e87815ba94..e1b7547bf81e 100644
--- a/drivers/mtd/spi-nor/sfdp.c
+++ b/drivers/mtd/spi-nor/sfdp.c
@@ -1089,6 +1089,14 @@ static int spi_nor_parse_4bait(struct spi_nor *nor,
 		spi_nor_set_pp_settings(&params_pp[SNOR_CMD_PP_1_4_4],
 					SPINOR_OP_PP_1_4_4_4B,
 					SNOR_PROTO_1_4_4);
+	if (pp_hwcaps & SNOR_HWCAPS_PP_1_1_8)
+		spi_nor_set_pp_settings(&params_pp[SNOR_CMD_PP_1_1_8],
+					SPINOR_OP_PP_1_1_8_4B,
+					SNOR_PROTO_1_1_8);
+	if (pp_hwcaps & SNOR_HWCAPS_PP_1_8_8)
+		spi_nor_set_pp_settings(&params_pp[SNOR_CMD_PP_1_8_8],
+					SPINOR_OP_PP_1_8_8_4B,
+					SNOR_PROTO_1_8_8);
 
 	for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++) {
 		if (erase_mask & BIT(i))
-- 
2.30.2