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Message-ID: <20230324160918.826452-1-christophe.kerello@foss.st.com>
Date: Fri, 24 Mar 2023 17:09:18 +0100
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>
Subject: [PATCH] mtd: rawnand: stm32_fmc2: do not support EDO mode
FMC2 controller does not support EDO mode (timings mode 4 and 5).
Signed-off-by: Christophe Kerello <christophe.kerello@...s.st.com>
Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")
---
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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