Messages in this thread | | | From | Dong Aisheng <> | Date | Mon, 9 Sep 2019 19:51:12 +0800 | Subject | Re: [PATCH] clk: imx: lpcg: write twice when writing lpcg regs |
| |
On Sat, Sep 7, 2019 at 9:47 PM Stephen Boyd <sboyd@kernel.org> wrote: > > Quoting Peng Fan (2019-08-27 01:17:50) > > From: Peng Fan <peng.fan@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.fan@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.
Regards Aisheng
>
| |