On Thu, Nov 02, 2017 at 05:17:21PM +0100, Romain Porte wrote: > On 02/11/2017 14:58, Guenter Roeck wrote: > >NACK, I'd rather drop the caching entirely, and possibly convert the > >driver to > >regmap for caching non-volatile registers. > I need to familiarize myself with regmap then, it looks like a nice > abstraction to have. > > Do you think I can propose an intermediate patch for removing the cache > support? (both time-based and data->valid based, so that every read actually > performs a read, everytime) > If you manage to do that, yes. That should limit reads to required reads, not just drop ->valid and re-read every register for each attribute access. Essentially, pmbus_update_device() should be completely gone. That isn't easy to implement, which is why I never got to doing it. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
