[U-Boot] [PATCH] dfu: dfu_sf: Use the erase sector size for erase operations

[Fabio Estevam]

Hi Lukasz,

On Tue, Sep 22, 2015 at 4:46 AM, Lukasz Majewski <l.majewski at samsung.com> wrote:
> Hi Fabio,
>
>> From: Fabio Estevam <fabio.estevam at freescale.com>
>>
>> SPI NOR flashes need to erase the entire sector size and we cannot
>> pass any arbitrary length for the erase operation.
>>
>> To illustrate the problem:
>>
>> Copying data from PC to DFU device
>> Download    [=========================] 100%       478208 bytes
>> Download done.
>> state(7) = dfuMANIFEST, status(0) = No error condition is present
>> state(10) = dfuERROR, status(14) = Something went wrong, but the
>> device does not know what it was
>> Done!
>>
>> In this case, the binary has 478208 bytes and the M25P32 SPI NOR
>> has an erase sector of 64kB.
>>
>> 478208  = 7 entire sectors of 64kiB + 19456 bytes.
>>
>> Erasing the first seven 64 kB sectors works fine, but when trying
>> to erase the remainding 19456 causes problem and the board hangs.
>>
>> Fix the issue by always erasing with the erase sector size.
>>
>> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

> Acked-by: Lukasz Majewski <l.majewski at samsung.com>
>
> Applied to u-boot-dfu tree.
>
> Thanks for your work.
>
> I'm looking forward for more patches :-)

Any chance of getting this one applied for 2015.10?