Re: [PATCH v1 net-next 0/2] use bulk reads for ocelot statistics

[Jakub Kicinski]

On Sun,  9 Jan 2022 17:06:16 -0800 Colin Foster wrote:
> Ocelot loops over memory regions to gather stats on different ports.
> These regions are mostly continuous, and are ordered. This patch set
> uses that information to break the stats reads into regions that can get
> read in bulk.
> 
> The motiviation is for general cleanup, but also for SPI. Performing two
> back-to-back reads on a SPI bus require toggling the CS line, holding,
> re-toggling the CS line, sending 3 address bytes, sending N padding
> bytes, then actually performing the read. Bulk reads could reduce almost
> all of that overhead, but require that the reads are performed via
> regmap_bulk_read.

Looks like this missed our 5.17 PR, please repost in two weeks once the
merge window is open. You can check if net-next is open here:

http://vger.kernel.org/~davem/net-next.html