Messages in this thread | | | Date | Fri, 13 Jan 2023 17:11:15 +0000 | From | Mark Brown <> | Subject | Re: [PATCH 2/2] regmap: sdw: Remove 8-bit value size restriction |
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On Fri, Jan 13, 2023 at 10:57:39AM -0600, Pierre-Louis Bossart wrote:
> The change from reg_write/read_reg to write/read seems ok, what I was > asking about was the gather_write.
> + .write = regmap_sdw_write, > + .gather_write = regmap_sdw_gather_write, > + .read = regmap_sdw_read,
> what happens if you only have .write and .read? What does the > .gather_write help with if you only use only address?
Like I said before it means that the core doesn't have to put the register in a linear buffer with the values, meaning it can avoid copying already formatted data around or allocating memory. [unhandled content-type:application/pgp-signature] | |