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From: Christophe Kerello <christophe.kerello@foss.st.com>
To: <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>
Cc: <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	Christophe Kerello <christophe.kerello@foss.st.com>,
	<stable@vger.kernel.org>,
	Tudor Ambarus <tudor.ambarus@linaro.org>
Subject: [PATCH v3 1/2] mtd: rawnand: stm32_fmc2: remove unsupported EDO mode
Date: Tue, 28 Mar 2023 17:58:18 +0200	[thread overview]
Message-ID: <20230328155819.225521-2-christophe.kerello@foss.st.com> (raw)
In-Reply-To: <20230328155819.225521-1-christophe.kerello@foss.st.com>

Remove the EDO mode support from as the FMC2 controller does not
support the feature.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")
Cc: stable@vger.kernel.org #v5.4+
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
---
Changes in v3:
 - The commit message has been reworked
 - Cc to stable added
 - Tudor Reviewed-by added

 drivers/mtd/nand/raw/stm32_fmc2_nand.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index 5d627048c420..3abb63d00a0b 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -1531,6 +1531,9 @@ 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)
+		return -EOPNOTSUPP;
+
 	if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)
 		return 0;
 
-- 
2.25.1


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  reply	other threads:[~2023-03-28 16:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-28 15:58 [PATCH v3 0/2] mtd: rawnand: stm32_fmc2: do not support EDO mode Christophe Kerello
2023-03-28 15:58 ` Christophe Kerello [this message]
2023-04-03 15:59   ` [PATCH v3 1/2] mtd: rawnand: stm32_fmc2: remove unsupported " Miquel Raynal
2023-03-28 15:58 ` [PATCH v3 2/2] mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC_min Christophe Kerello
2023-04-03 15:59   ` Miquel Raynal

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