On Thu, Jan 19, 2017 at 02:57:26AM +, Shankar, Vaibhav wrote:
> > From: Lukas Wunner [mailto:lu...@wunner.de]
> > Sent: Tuesday, January 17, 2017 9:14 PM
> > On Wed, Jan 18, 2017 at 01:32:13AM +, Shankar, Vaibhav wrote:
> > > > From: Bjorn Helgaas [mailto:helg...@kernel.org]
> > > > Sent: W
l.org;
> linux-kernel@vger.kernel.org; Vinjamuri, Venkateswarlu V
> ; Pandruvada, Srinivas
>
> Subject: Re: [PATCH v2] PCI: pciehp: Optimize PCIe root resume time
>
> On Wed, Jan 18, 2017 at 01:32:13AM +, Shankar, Vaibhav wrote:
> > > From: Bjorn Helgaas [mailto:helg...@kernel
On Wed, Jan 18, 2017 at 01:32:13AM +, Shankar, Vaibhav wrote:
> > From: Bjorn Helgaas [mailto:helg...@kernel.org]
> > Sent: Wednesday, January 11, 2017 10:37 AM
> > On Mon, Dec 12, 2016 at 04:32:25PM -0800, Vaibhav Shankar wrote:
> > > On Apollolake platforms, PCIe rootport takes a long time to
gmail.com; linux-
> p...@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v2] PCI: pciehp: Optimize PCIe root resume time
>
> Hi Vaibhav,
>
> On Mon, Dec 12, 2016 at 04:32:25PM -0800, Vaibhav Shankar wrote:
> > On Apollolake platforms, PCIe rootport takes a long time t
Hi Vaibhav,
On Mon, Dec 12, 2016 at 04:32:25PM -0800, Vaibhav Shankar wrote:
> On Apollolake platforms, PCIe rootport takes a long time to resume
> from S3. With 100ms delay before read pci conf, rootport takes
> ~200ms during resume.
>
> commit 2f5d8e4ff947 ("PCI: pciehp: replace unconditional s
On Apollolake platforms, PCIe rootport takes a long time to resume
from S3. With 100ms delay before read pci conf, rootport takes
~200ms during resume.
commit 2f5d8e4ff947 ("PCI: pciehp: replace unconditional sleep with
config space access check") is the one that added the 100ms delay
before readi
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