linux-kernel - [PATCH v3 2/2] mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC

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Message-ID: <20230328155819.225521-3-christophe.kerello@foss.st.com>
Date:   Tue, 28 Mar 2023 17:58:19 +0200
From:   Christophe Kerello <christophe.kerello@...s.st.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Christophe Kerello <christophe.kerello@...s.st.com>,
        <stable@...r.kernel.org>, Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v3 2/2] mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC_min

Use timings.mode value instead of checking tRC_min timing
for EDO mode support.

Signed-off-by: Christophe Kerello <christophe.kerello@...s.st.com>
Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")
Cc: stable@...r.kernel.org #v5.10+
Reviewed-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
Changes in v3:
 - Fixes added
 - Cc to stable added
 - Tudor Reviewed-by added

 drivers/mtd/nand/raw/stm32_fmc2_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index 3abb63d00a0b..9e74bcd90aaa 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -1531,7 +1531,7 @@ static int stm32_fmc2_nfc_setup_interface(struct nand_chip *chip, int chipnr,
 	if (IS_ERR(sdrt))
 		return PTR_ERR(sdrt);
 
-	if (sdrt->tRC_min < 30000)
+	if (conf->timings.mode > 3)
 		return -EOPNOTSUPP;
 
 	if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)
-- 
2.25.1