[PATCH] mtd: spi-nor: Clear Winbond SR3 WPS bit on boot

Marek Vasut marex at denx.de
Thu Oct 10 04:32:26 CEST 2024


On 9/25/24 7:05 PM, Marek Vasut wrote:
> On 9/11/24 1:05 PM, Marek Vasut wrote:
>> On 8/30/24 3:36 PM, Jagan Teki wrote:
>>> On Sun, Aug 25, 2024 at 5:58 AM Marek Vasut <marex at denx.de> wrote:
>>>>
>>>> On 5/24/24 6:05 PM, Jagan Teki wrote:
>>>>> On Mon, Mar 4, 2024 at 9:46 PM Marek Vasut <marex at denx.de> wrote:
>>>>>>
>>>>>> Some Winbond SPI NORs have special SR3 register which is
>>>>>> used among other things to control whether non-standard
>>>>>> "Individual Block/Sector Write Protection" (WPS bit)
>>>>>> locking scheme is activated. This non-standard locking
>>>>>> scheme is not supported by either U-Boot or Linux SPI
>>>>>> NOR stack so make sure it is disabled, otherwise the
>>>>>> SPI NOR may appear locked for no obvious reason.
>>>>>>
>>>>>> This SR3 WPS appears e.g. on W25Q16FW which has the same ID as
>>>>>> W25Q16DW, but the W25Q16DW does not implement the SR3 WPS bit.
>>>>>>
>>>>>> Signed-off-by: Marek Vasut <marex at denx.de>
>>>>>> ---
>>>>>
>>>>> Applied to u-boot-spi/master
>>>>
>>>> I do not see this patch in u-boot/master , was it missed ?
>>>
>>> I missed it, I will send it as part of PR soon.
>> Is there a PR now ?
> 
> Is there any progress on this ?

What is the current state of this patch ?


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