On Fri, May 17, 2019 at 06:08:39PM +0530, Vidya Sagar wrote:

Some host controllers need to know the existence of clkreq signal routing to
downstream devices to be able to advertise low power features like ASPM L1
substates. Without clkreq signal routing being present, enabling ASPM L1 sub
states might lead to downstream devices falling off the bus. Hence a new device
tree property 'supports-clkreq' is added to make such host controllers
aware of clkreq signal routing to downstream devices.

Signed-off-by: Vidya Sagar <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes since [v6]:
* None

Changes since [v5]:
* s/Documentation\/devicetree/dt-bindings/ in the subject

Changes since [v4]:
* None

Changes since [v3]:
* Rebased on top of linux-next top of the tree

Changes since [v2]:
* None

Changes since [v1]:
* This is a new patch in v2 series

 Documentation/devicetree/bindings/pci/pci.txt | 5 +++++
 1 file changed, 5 insertions(+)

Reviewed-by: Thierry Reding <redacted>