Re: [PATCH v1 2/2] PCI/ASPM: Save LTR Capability for suspend/resume

2019-02-13 Thread Bjorn Helgaas
On Wed, Feb 13, 2019 at 10:53:01AM +0530, Vidya Sagar wrote: > On 2/12/2019 4:25 AM, Bjorn Helgaas wrote: > > From: Bjorn Helgaas > > > > Latency Tolerance Reporting (LTR) allows Endpoints and Switch Upstream > > Ports to report their latency requirements to upstream components. If ASPM > > L1

Re: [PATCH v1 2/2] PCI/ASPM: Save LTR Capability for suspend/resume

2019-02-12 Thread Vidya Sagar
On 2/12/2019 4:25 AM, Bjorn Helgaas wrote: From: Bjorn Helgaas Latency Tolerance Reporting (LTR) allows Endpoints and Switch Upstream Ports to report their latency requirements to upstream components. If ASPM L1 PM substates are enabled, the LTR information helps determine when a Link

[PATCH v1 2/2] PCI/ASPM: Save LTR Capability for suspend/resume

2019-02-11 Thread Bjorn Helgaas
From: Bjorn Helgaas Latency Tolerance Reporting (LTR) allows Endpoints and Switch Upstream Ports to report their latency requirements to upstream components. If ASPM L1 PM substates are enabled, the LTR information helps determine when a Link enters L1.2 [1]. Software must set the maximum