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Message-ID: <f4c32aa5-e5b1-6465-7708-ef0281baf0af@foss.st.com> Date: Fri, 24 Mar 2023 17:34:14 +0100 From: Christophe Kerello <christophe.kerello@...s.st.com> To: Miquel Raynal <miquel.raynal@...tlin.com> CC: <richard@....at>, <vigneshr@...com>, <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com> Subject: Re: [PATCH] mtd: rawnand: stm32_fmc2: do not support EDO mode Hello Miquel, On 3/24/23 17:25, Miquel Raynal wrote: > Hi Christophe, > > christophe.kerello@...s.st.com wrote on Fri, 24 Mar 2023 17:09:18 +0100: > >> 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) > > When introducing NV-DDR support we as well added a timings.mode field, > perhaps you could use it? Yes, I can use it. It will be done in V2. Regards, Christophe Kerello. > >> + return -EOPNOTSUPP; >> + >> if (chipnr == NAND_DATA_IFACE_CHECK_ONLY) >> return 0; >> > > > Thanks, > Miquèl
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