Re: [RFC PATCH 0/3 v2] PCI/ASPM: Remove struct aspm_latency

From: Bjorn Helgaas
Date: Sun Sep 26 2021 - 16:31:20 EST


On Thu, Sep 16, 2021 at 10:49:23AM +0200, Saheed O. Bolarinwa wrote:
> From: "Bolarinwa O. Saheed" <refactormyself@xxxxxxxxx>
>
> To validate and set link latency capability, `struct aspm_latency` and
> related members defined within `struct pcie_link_state` are used.
> However, since there are not many access to theses values, it is possible
> to directly access and compute these values.
> Doing this will also reduce the dependency on `struct pcie_link_state`.
>
> The series removes `struct aspm_latency` and related members within
> `struct pcie_link_state`. All latencies are now calculated when needed.
>
> Changes in this version:
> - directly access downstream by calling `pci_function_0()` instead of
> used the `struct pcie_link_state`
>
> Saheed O. Bolarinwa (3):
> PCI/ASPM: Remove link latencies cached within struct pcie_link_state
> PCI/ASPM: Remove struct pcie_link_state.acceptable
> PCI/ASPM: Remove struct aspm_latency
>
> drivers/pci/pcie/aspm.c | 89 ++++++++++++++++++-----------------------
> 1 file changed, 38 insertions(+), 51 deletions(-)

Hi Saheed, what is this series based on? The other series
(https://lore.kernel.org/r/20210916085206.2268-1-refactormyself@xxxxxxxxx)
aplies cleanly to my "main" branch (v5.15-rc2), but this one doesn't
apply either there or on top of the other.

Bjorn