linux-kernel - Re: [PATCH v2] nvmem: u-boot-env: align endianness of crc32 values

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Date:   Mon, 9 Jan 2023 09:48:51 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Rafał Miłecki <rafal@...ecki.pl>
Cc:     INAGAKI Hiroshi <musashino.open@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] nvmem: u-boot-env: align endianness of crc32 values

Hi Rafal,

On 06/01/2023 19:15, Rafał Miłecki wrote:
> Hi Srinivas,
> 
> On 2022-11-11 18:41, Srinivas Kandagatla wrote:
>> On 12/10/2022 16:51, INAGAKI Hiroshi wrote:
>>> This patch fixes crc32 error on Big-Endianness system by conversion of
>>> calculated crc32 value.
>>>
>>> Little-Endianness system:
>>>
>>>    obtained crc32: Little
>>> calculated crc32: Little
>>>
>>> Big-Endianness system:
>>>
>>>    obtained crc32: Little
>>> calculated crc32: Big
>>>
>>> log (APRESIA ApresiaLightGS120GT-SS, RTL8382M, Big-Endianness):
>>>
>>> [    8.570000] u_boot_env 
>>> 18001200.spi:flash@0:partitions:partition@...00: Invalid calculated 
>>> CRC32: 0x88cd6f09 (expected: 0x096fcd88)
>>> [    8.580000] u_boot_env: probe of 
>>> 18001200.spi:flash@0:partitions:partition@...00 failed with error -22
>>>
>>> Fixes: f955dc1445069 ("nvmem: add driver handling U-Boot environment 
>>> variables")
>>>
>>> Signed-off-by: INAGAKI Hiroshi <musashino.open@...il.com>
>>> ---
>>
>> Applied thanks,
> 
> has this patch been lost somewhere in the process?
> 
> I'm quite sure I saw it in linux-next.git and probably in nvmem.git. Now
> it seems to be gone.
Yes, I had to revert this one as next reported sparse warnings [1] with 
this patch which were not addressed.




--srini

[1] https://lore.kernel.org/linux-mm/202212040713.rVney9e8-lkp@intel.com/T/