Re: [PATCH V7 3/4] PCI: tegra: Broadcast PME_Turn_Off message before link goes to L2

[Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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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 <mmaddireddy-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
> 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 <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

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