Re: [PATCH V3 1/3] PCI: tegra: Apply sw fixups to support ASPM-L1 Sub-States

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On Thu, Dec 14, 2017 at 10:02:15PM +0530, Vidya Sagar wrote:
> On Tuesday 21 November 2017 02:51 AM, Bjorn Helgaas wrote:
> >On Sun, Nov 12, 2017 at 06:47:52PM +0530, Vidya Sagar wrote:
> >>Programs T_cmrt (Commmon Mode Restore Time) and T_pwr_on (Power On)
> >Please use the exact names used in the spec.  In this case, I think
> >that would be "Port Common_Mode_Restore_Time" and "Port T_POWER_ON"
> >(from the L1 PM Substates Capabilities Register, sec 7.33.2).
> >Searching the spec for "T_cmrt" isn't going to find anything useful.
> I'll take care of this in next patch
> >These look like things that maybe should be in the DT because they
> >depend on external component values, so you might need different
> >values depending on what board the Tegra is on?  Same for clk_m?
> I'm afraid not. These are fixed for Tegra including clk_m.

That's actually a *good* thing :)  If they're fixed and can be
embedded in the driver, that's better than having to extend the DT.

Bjorn
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