On Mon, May 13, 2019 at 2:31 PM Jerome Brunet <[email protected]> wrote: > > The bit 'SSEN' available on some MPLL DSS outputs is not related to the > fractional part of the divider but to the function called > 'Spread Spectrum'. > > This function might be used to solve EM issues by adding a jitter on > clock signal. This widens the signal spectrum and weakens the peaks in it. > > While spread spectrum might be useful for some application, it is > problematic for others, such as audio. > > This patch introduce a new flag to the MPLL driver to enable (or not) the > spread spectrum function. > > Fixes: 1f737ffa13ef ("clk: meson: mpll: fix mpll0 fractional part ignored") > Signed-off-by: Jerome Brunet <[email protected]> in v1 [0] I checked that Ethernet is still working on my Odroid-C1. I didn't repeat this test with v2 but since the logic has not changed you can still add my: Tested-by: Martin Blumenstingl<[email protected]>
[0] https://patchwork.kernel.org/patch/10877431/
