On Tue, Jan 30, 2018 at 10:54:10AM +0530, Manikanta Maddireddy wrote:

Per PCIe r3.0, sec 5.3.3.2.1, PCIe root port shoould broadcast PME_Turn_Off
message before PCIe link goes to L2. PME_Turn_Off broadcast mechanism is
implemented in AFI module. Each Tegra PCIe root port has its own
PME_Turn_Off and PME_TO_Ack bitmap in AFI_PME register, program this
register to broadcast PME_Turn_Off message.

Signed-off-by: Manikanta Maddireddy <redacted>
---
V2:
* no change in this patch
V3:
* add PME bitmap in soc data instead of using compatible string
* replace while loop with readl_poll_timeout() for polling
* commit log correction
V4:
* no change in this patch
V5:
* Rebased on linux-next
V6:
* no change in this patch
V7:
* Per port soc data is added for pme bits
* list_for_each_entry_safe is changed to list_for_each_entry for pme turnoff

 drivers/pci/host/pci-tegra.c | 64 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

Acked-by: Thierry Reding <redacted>