linux-kernel - Re: [PATCH] mtd: spi-nor: Fix direction of the write

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Message-ID: <9156860e-d257-bee6-fac8-a1821e4b5bf2@microchip.com>
Date:   Fri, 4 Oct 2019 10:48:44 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <vigneshr@...com>, <miquel.raynal@...tlin.com>, <richard@....at>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <john.garry@...wei.com>
Subject: Re: [PATCH] mtd: spi-nor: Fix direction of the write_sr() transfer

John, does this fix your problem?

On 10/04/2019 01:47 PM, Tudor Ambarus - M18064 wrote:
> From: Tudor Ambarus <tudor.ambarus@...rochip.com>
> 
> write_sr() sends data to the SPI memory, fix the direction.
> 
> Fixes: b35b9a10362d ("mtd: spi-nor: Move m25p80 code in spi-nor.c")
> Reported-by: John Garry <john.garry@...wei.com>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 1d8621d43160..7acf4a93b592 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -487,7 +487,7 @@ static int write_sr(struct spi_nor *nor, u8 val)
>  			SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1),
>  				   SPI_MEM_OP_NO_ADDR,
>  				   SPI_MEM_OP_NO_DUMMY,
> -				   SPI_MEM_OP_DATA_IN(1, nor->bouncebuf, 1));
> +				   SPI_MEM_OP_DATA_OUT(1, nor->bouncebuf, 1));
>  
>  		return spi_mem_exec_op(nor->spimem, &op);
>  	}
>