linux-kernel - Re: [PATCH v1 0/3] net: ethernet: use generic power management

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Date:   Thu, 30 Jul 2020 17:43:15 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     vaibhavgupta40@...il.com
Cc:     helgaas@...nel.org, bhelgaas@...gle.com, bjorn@...gaas.com,
        vaibhav.varodek@...il.com, kuba@...nel.org, venza@...wnhat.org,
        chessman@....org, mst@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH v1 0/3] net: ethernet: use generic power management

From: Vaibhav Gupta <vaibhavgupta40@...il.com>
Date: Thu, 30 Jul 2020 12:23:33 +0530

> Linux Kernel Mentee: Remove Legacy Power Management.
> 
> The purpose of this patch series is to upgrade power management in net ethernet
> drivers. This has been done by upgrading .suspend() and .resume() callbacks.
> 
> The upgrade makes sure that the involvement of PCI Core does not change the
> order of operations executed in a driver. Thus, does not change its behavior.
> 
> In general, drivers with legacy PM, .suspend() and .resume() make use of PCI
> helper functions like pci_enable/disable_device_mem(), pci_set_power_state(),
> pci_save/restore_state(), pci_enable/disable_device(), etc. to complete
> their job.
> 
> The conversion requires the removal of those function calls, change the
> callbacks' definition accordingly and make use of dev_pm_ops structure.
> 
> All patches are compile-tested only.
> 
> Test tools:
>     - Compiler: gcc (GCC) 10.1.0
>     - allmodconfig build: make -j$(nproc) W=1 all

Series applied, thanks.