linux-kernel - Re: [PATCH v4 10/20] mtd: spi-nor: Fix errno on Quad Enable methods

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Message-ID: <9c742bb8-3675-5f7a-519e-540471c1969f@ti.com>
Date:   Tue, 5 Nov 2019 18:06:04 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     <Tudor.Ambarus@...rochip.com>, <boris.brezillon@...labora.com>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 10/20] mtd: spi-nor: Fix errno on Quad Enable methods



On 02/11/19 4:53 PM, Tudor.Ambarus@...rochip.com wrote:
> From: Tudor Ambarus <tudor.ambarus@...rochip.com>
> 
> When the Read-Modify-Write-Read-Back Quad Enable methods failed on
> the Read-Back, they returned -EINVAL. Since this is an I/O error,
> return -EIO.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>

Reviewed-by: Vignesh Raghavendra <vigneshr@...com>

> ---
>  drivers/mtd/spi-nor/spi-nor.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index f5193733a0f6..14146619bf19 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -1964,7 +1964,7 @@ static int macronix_quad_enable(struct spi_nor *nor)
>  
>  	if (!(nor->bouncebuf[0] & SR_QUAD_EN_MX)) {
>  		dev_dbg(nor->dev, "Macronix Quad bit not set\n");
> -		return -EINVAL;
> +		return -EIO;
>  	}
>  
>  	return 0;
> @@ -2042,7 +2042,7 @@ static int spansion_read_cr_quad_enable(struct spi_nor *nor)
>  
>  	if (!(sr_cr[1] & CR_QUAD_EN_SPAN)) {
>  		dev_dbg(nor->dev, "Spansion Quad bit not set\n");
> -		return -EINVAL;
> +		return -EIO;
>  	}
>  
>  	return 0;
> @@ -2086,7 +2086,7 @@ static int sr2_bit7_quad_enable(struct spi_nor *nor)
>  
>  	if (!(*sr2 & SR2_QUAD_EN_BIT7)) {
>  		dev_dbg(nor->dev, "SR2 Quad bit not set\n");
> -		return -EINVAL;
> +		return -EIO;
>  	}
>  
>  	return 0;
> 

-- 
Regards
Vignesh