From: Benjamin Herrenschmidt <b...@kernel.crashing.org> Date: Fri, 07 Dec 2018 15:05:04 +1100
> This reverts commit 624ca9c33c8a853a4a589836e310d776620f4ab9. > > This commit is completely bogus. The STACR register has two formats, old > and new, depending on the version of the IP block used. There's a pair of > device-tree properties that can be used to specify the format used: > > has-inverted-stacr-oc > has-new-stacr-staopc > > What this commit did was to change the bit definition used with the old > parts to match the new parts. This of course breaks the driver on all > the old ones. > > Instead, the author should have set the appropriate properties in the > device-tree for the variant used on his board. > > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> > --- > > Found while setting up some old ppc440 boxes for test/CI Applied, thanks.
