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Message-ID: <0fad2eb5-34cd-4928-9e54-104c77de1424@broadcom.com>
Date: Wed, 13 Mar 2024 10:13:43 -0700
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Subject: Re: [PATCH v7 1/2] spi: Unify error codes by replacing -ENOTSUPP with
 -EOPNOTSUPP
To: Michael Walle <michael@walle.cc>, AceLan Kao <acelan.kao@canonical.com>,
 Tudor Ambarus <tudor.ambarus@linaro.org>,
 Pratyush Yadav <pratyush@kernel.org>,
 Miquel Raynal <miquel.raynal@bootlin.com>,
 Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>,
 Mika Westerberg <mika.westerberg@linux.intel.com>,
 Dhruva Gole <d-gole@ti.com>, linux-mtd@lists.infradead.org,
 Mark Brown <broonie@kernel.org>, Kamal Dasu <kamal.dasu@broadcom.com>,
 =?UTF-8?Q?Jonathan_Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>,
 Mario Kicherer <dev@kicherer.org>, Chuanhong Guo <gch981213@gmail.com>,
 linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20231129064311.272422-1-acelan.kao@canonical.com>
 <CZSQTVDX6QR1.1K5UGJUNPLM0S@walle.cc>
From: Florian Fainelli <florian.fainelli@broadcom.com>
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In-Reply-To: <CZSQTVDX6QR1.1K5UGJUNPLM0S@walle.cc>
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On 3/13/24 08:56, Michael Walle wrote:
> Hi,
> 
> I just had a quick look to see where Florians breakage could come
> from and just noticed this:
> 
>> diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
>> index 849ccfedbc72..e0b6715e5dfe 100644
>> --- a/drivers/mtd/nand/spi/core.c
>> +++ b/drivers/mtd/nand/spi/core.c
>> @@ -974,7 +974,7 @@ static int spinand_manufacturer_match(struct spinand_device *spinand,
>>   		spinand->manufacturer = manufacturer;
>>   		return 0;
>>   	}
>> -	return -ENOTSUPP;
>> +	return -EOPNOTSUPP;
>>   }
>>   
>>   static int spinand_id_detect(struct spinand_device *spinand)
> 
> This seems to be random as no other spi-nand ENOTSUPP was converted
> but just this. Is there a reason for this, AceLan?

FWIW, we do not have any SPI-NAND flashes on those boards only SPI-NOR, 
just posted a fix for this:

https://lore.kernel.org/r/20240313171050.3505620-1-florian.fainelli@broadcom.com
-- 
Florian


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