Messages in this thread | | | Date | Mon, 4 Jan 2016 18:29:28 -0800 | From | Brian Norris <> | Subject | Re: [PATCH for-4.4 1/2] mtd: spi-nor: fix Spansion regressions (aliased with Winbond) |
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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@gmail.com> > Reported-by: Felix Fietkau <nbd@openwrt.org> > Cc: Felix Fietkau <nbd@openwrt.org>
Felix,
Can I get a Tested-by? I'm going to send this for 4.4 still, if possible.
Brian
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