Re: [PATCH v2] PCI: tegra: Enable root port specific features

From: Stephen Warren
Date: Mon Oct 20 2014 - 12:52:37 EST


On 10/20/2014 05:04 AM, Vidya Sagar wrote:
Enables root port to advertise its ASPM-L1 capability
resulting in possible link entry to L1 when an ASPM-L1 capable
device is connected
Enables per-controller & per-TMS clock clamping by default
Enabling above features result in more power saving

It also avoids PM message truncation by waiting for DLLP to finish
before entering into L1 or L2

The updated tegra_pcie_enable() looks better in this patch, so that part,
Acked-by: Stephen Warren <swarren@xxxxxxxxxx>

I'll leave the review of the additional #defines and tegra_pcie_enable_rp_features() to Thierry.
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