On Thu, 05 May 2022, Mark Brown <broonie@xxxxxxxxxx> wrote: > On Sat, 30 Apr 2022 04:51:44 +0200, Marek Vasut wrote: >> Currently the regmap_config structure only allows the user to implement >> single element register read/write using .reg_read/.reg_write callbacks. >> The regmap_bus already implements bulk counterparts of both, and is being >> misused as a workaround for the missing bulk read/write callbacks in >> regmap_config by a couple of drivers. To stop this misuse, add the bulk >> read/write callbacks to regmap_config and call them from the regmap core >> code. >> >> [...] Hey Mark, sorry for hijacking the thread a bit. regmap.h seems to have comprehensive API documentation, but there's very little in terms of higher level documentation that I could find. Is there any? I've been toying with the idea of adding a regmap based interface for accessing Display Port DPCD registers, with caching, and regmap seems like it's got the kitchen sink but I find it a bit difficult to navigate... BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center
