Re: [PATCH v1 0/4] Optimize fw_devlink parsing

[Saravana Kannan]

On Thu, May 14, 2020 at 10:35 PM Saravana Kannan <saravanak@xxxxxxxxxx> wrote:
>
> When fw_devlink is enabled on hardware with a large number of device
> tree nodes, the initial device addition done in
> of_platform_default_populate_init() can be very inefficient. This is
> because most devices will fail to find all their suppliers when they are
> added and will keep trying to parse their device tree nodes and link to
> any newly added devices
>
> This was an item on my TODO list that I'm finally getting around to. On
> hardware I'm testing on, this saved 1.216 _seconds_!

Correction. It went from 1.216 _seconds_ to 61 _milliseconds_! So
about 95% reduction in time.

-Saravana