On Tue, Oct 25, 2011 at 09:32:27AM +0100, Jonathan Cameron wrote: > On 10/25/11 08:24, Ricardo Ribalda Delgado wrote: > > It is not on linux-next, and also it cannot be used directly, in order > > to read you have to do set reg= (reg << 2) | 2; And AFAIK it is not > > supported by the regmap > My gut feeling is it would easy enough to add if it can't currently > be done. Mark? That should be trivial to add - the | 2 bit is already supported in -next and will be sent to Linus this merge window, adding the shift is just a simple matter of programming. > Gains here are leveraging the bus abstractions from there. There aren't > enough registers to gain from caching etc. Depends on the workload more than the number of registers - if you're able to eliminate enough reads then it can give a bit of a performance boost. But it's completely optional either way. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
