Re: [PATCH for-4.4 1/2] mtd: spi-nor: fix Spansion regressions (aliased with Winbond)

[Felix Fietkau]

On 2016-01-06 01:02, Brian Norris wrote:
> On Mon, Jan 04, 2016 at 06:29:28PM -0800, Brian Norris wrote:
>> On Tue, Dec 15, 2015 at 10:48:20AM -0800, Brian Norris wrote:
>> > Spansion and Winbond have occasionally used the same manufacturer ID,
>> > and they don't support the same features. Particularly, writing SR=0
>> > seems to break read access for Spansion's s25fl064k. Unfortunately, we
>> > don't currently have a way to differentiate these Spansion and Winbond
>> > parts, so rather than regressing support for these Spansion flash, let's
>> > drop the new Winbond lock/unlock support for now. We can try to address
>> > Winbond support during the next release cycle.
>> > 
>> > Original discussion:
>> > 
>> > http://patchwork.ozlabs.org/patch/549173/
>> > http://patchwork.ozlabs.org/patch/553683/
>> > 
>> > Fixes: 357ca38d4751 ("mtd: spi-nor: support lock/unlock/is_locked for Winbond")
>> > Fixes: c6fc2171b249 ("mtd: spi-nor: disable protection for Winbond flash at startup")
>> > Signed-off-by: Brian Norris <computersforpeace@xxxxxxxxx>
>> > Reported-by: Felix Fietkau <nbd@xxxxxxxxxxx>
>> > Cc: Felix Fietkau <nbd@xxxxxxxxxxx>
>> 
>> Felix,
>> 
>> Can I get a Tested-by? I'm going to send this for 4.4 still, if
>> possible.
> 
> Despite the lack of response, pushed both to linux-mtd.git, as they are
> obvious responses to the reported regressions/bugs.
Sorry for the delay, I don't have time to test that at the moment. I'll
try to find the time for it soon.

- Felix
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