Messages in this thread | | | Date | Wed, 12 Jan 2022 10:12:24 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH v1 net-next 0/2] use bulk reads for ocelot statistics |
| |
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
| |