* Arnd Bergmann wrote: > On Wednesday 22 February 2012, Thierry Reding wrote: > > This patch series adds very rudimentary device-tree support for PWM > > devices. With all of these patches applied (plus one board-specific > > patch that is not included), I'm able to control the backlight on the > > device I'm working on using the sysfs interface provided by the pwm-bl > > driver and the backlight class. > > > > This series is based on Sascha Hauer's series of patches[0] to add a > > generic PWM framework. The first patch in this series is taken from > > Sascha's branch, while the second patch enables each PWM chip to provide > > multiple PWM devices (the Blackfin and PXA drivers have been ported to > > the framework for reference). When this series is ready I think it would > > be best to merge patches 1 and 2. Currently a global namespace is still > > provided to keep backwards-compatibility with the legacy PWM API. In > > order to achieve this, the number of global PWM devices is limited to > > 1024. However, patch 2 introduces per-chip indexing of PWM devices in > > the core, so it should be easy to add an API to request a PWM device on > > a per-chip basis and get rid of the global namespace eventually. The > > device tree support code does not use the global namespace. > > Hi Thierry, > > I've just had a chance to look at your series and I think this looks > very good overall, great work! > > I probably wouldn't bother merging patches 1 and 2 as you listed > in the TODO section, in order to keep the authorship of each > part obvious. Okay, no problem. Thierry
Attachment:
pgpnpb_0DFWt1.pgp
Description: PGP signature
