Messages in this thread | | | Date | Mon, 31 Jan 2022 11:56:21 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH v4 net-next 0/2] use bulk reads for ocelot statistics |
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On Fri, 28 Jan 2022 12:05:47 -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.
This got into Changes Requested state in patchwork, I'm not sure why.
I revived it and will apply it by the end of the day PST if nobody raises comments.
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