On Mon, 5 Oct 2020 at 14:50, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > On Mon, 28 Sep 2020 at 23:59, Raul E Rangel <rrangel@xxxxxxxxxxxx> wrote: > > > > This change will allow platform designers better control over signal > > integrity by allowing them to tune the HS200 and HS400 driver strengths. > > > > The driver strength was previously hard coded to A to solve boot > > problems with certain platforms. This driver strength does not > > universally apply to all platforms so we need a knob to adjust it. > > > > All older platforms currently have the SDR104 preset hard coded to A in > > the firmware. This means that switching from the hard coded value in > > the kernel to reading the SDR104 preset is a no-op for these platforms. > > Newer platforms will have properly set presets. So this change will > > support both new and old platforms. > > > > Signed-off-by: Raul E Rangel <rrangel@xxxxxxxxxxxx> > > Applied for next, thanks! Turned out that this doesn't build, hence I am dropping it from my next branch. Please submit a new version. [...] Kind regards Uffe
