linux-kernel - Re: [PATCH v2 04/41] mtd: spi-nor: xilinx: remove addr_nbytes from S3AN

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Date:   Thu, 24 Aug 2023 09:13:20 +0100
From:   Tudor Ambarus <tudor.ambarus@...aro.org>
To:     Michael Walle <mwalle@...nel.org>,
        Pratyush Yadav <pratyush@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v2 04/41] mtd: spi-nor: xilinx: remove addr_nbytes from
 S3AN_INFO()



On 8/22/23 08:09, Michael Walle wrote:
> The default value of addr_nbytes is already 3. Drop it.
> 
> Signed-off-by: Michael Walle <mwalle@...nel.org>

Reviewed-by: Tudor Ambarus <tudor.ambarus@...aro.org>

I noticed that we need this fix in the core. I'll have to think whether
we need to introduce nor->addr_mode_nbytes as well. I let this for after
I finish reviewing your series.

diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 1b0c6770c14e..85e2a992a9b0 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -3221,6 +3221,7 @@ static int spi_nor_init(struct spi_nor *nor)
                err = spi_nor_set_4byte_addr_mode(nor, true);
                if (err)
                        return err;
+               nor->addr_nbytes = nor->params->addr_nbytes;
        }

> ---
>  drivers/mtd/spi-nor/xilinx.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/xilinx.c b/drivers/mtd/spi-nor/xilinx.c
> index de5189c38432..34267591282c 100644
> --- a/drivers/mtd/spi-nor/xilinx.c
> +++ b/drivers/mtd/spi-nor/xilinx.c
> @@ -27,7 +27,6 @@
>  		.n_sectors = (_n_sectors),				\
>  		.page_size = (_page_size),				\
>  		.n_banks = 1,						\
> -		.addr_nbytes = 3,					\
>  		.flags = SPI_NOR_NO_FR
>  
>  /* Xilinx S3AN share MFR with Atmel SPI NOR */
>