On Tue, Sep 10, 2019 at 02:47:59AM +0000, Anson Huang wrote: > > > > On Sat, Sep 7, 2019 at 9:47 PM Stephen Boyd <sb...@kernel.org> wrote: > > > > > > Quoting Peng Fan (2019-08-27 01:17:50) > > > > From: Peng Fan <peng....@nxp.com> > > > > > > > > There is hardware issue that: > > > > The output clock the LPCG cell will not turn back on as expected, > > > > even though a read of the IPG registers in the LPCG indicates that > > > > the clock should be enabled. > > > > > > > > The software workaround is to write twice to enable the LPCG clock > > > > output. > > > > > > > > Signed-off-by: Peng Fan <peng....@nxp.com> > > > > > > Does this need a Fixes tag? > > > > Not sure as it's not code logic issue but a hardware bug. > > And 4.19 LTS still have not this driver support. > > Looks like there is an errata for this issue, and Ranjani just sent a patch > for review internally,
Having errata number in both commit log and code comment is generally helpful. Shawn
