[PATCH v5 01/14] mtd: spi-nor: Fix mtd size for s3an flashes

[Tudor.Ambarus at microchip.com]

On 12/6/21 1:54 PM, Pratyush Yadav wrote:
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> 
> On 03/12/21 04:22PM, Tudor Ambarus wrote:
>> As it was before the blamed commit, s3an_nor_scan() was called
>> after mtd size was set with params->size, and it overwrote the mtd
>> size value with '8 * nor->page_size * nor->info->n_sectors' when
>> XSR_PAGESIZE was set. With the introduction of
>> s3an_post_sfdp_fixups(), we missed to update the mtd size for the
>> s3an flashes. Fix the mtd size by updating both nor->params->size,
>> (which will update the mtd_info size later on) and nor->mtd.size
>> (which is used in spi_nor_set_addr_width()).
>>
>> Fixes: 641edddb4f43 ("mtd: spi-nor: Add s3an_post_sfdp_fixups()")
>> Signed-off-by: Tudor Ambarus <tudor.ambarus at microchip.com>
>> ---
>>  drivers/mtd/spi-nor/xilinx.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mtd/spi-nor/xilinx.c b/drivers/mtd/spi-nor/xilinx.c
>> index 7e970ccf7903..03d3b006a039 100644
>> --- a/drivers/mtd/spi-nor/xilinx.c
>> +++ b/drivers/mtd/spi-nor/xilinx.c
>> @@ -69,7 +69,8 @@ static int xilinx_nor_setup(struct spi_nor *nor,
>>               page_size = (nor->params->page_size == 264) ? 256 : 512;
>>               nor->params->page_size = page_size;
>>               nor->mtd.writebufsize = page_size;
>> -             nor->mtd.size = 8 * page_size * nor->info->n_sectors;
>> +             nor->params->size = 8 * page_size * nor->info->n_sectors;
>> +             nor->mtd.size = nor->params->size;
> 
> I supposed you could just have done this in patch 2 directly, but this
> is fine too.

I've done it in a separate patch because this can be backported as a fix.
I will drop the Fixes tag from patch 2/14, the tag is just a leftover.

> 
> Reviewed-by: Pratyush Yadav <p.yadav at ti.com>
> 
> --
> Regards,
> Pratyush Yadav
> Texas Instruments Inc.
>