On Wed, 2016-01-06 at 01:03 +0100, Felix Fietkau wrote: > 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 <computersforpe...@gmail.com> > >> > Reported-by: Felix Fietkau <n...@openwrt.org> > >> > Cc: Felix Fietkau <n...@openwrt.org> > >> > >> 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
Hi Brain, Sorry for later reply, I have tested these patches. it works ok on oak-rev4. Although it does not support WP operation for Winbond nor flash. Bayi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/