On Sun, Jun 16, 2013 at 12:36:20AM +0200, Arnaud Ebalard wrote: > > GMT G762/763 fan speed PWM controller is connected directly to a fan > and performs closed-loop or open-loop control of the fan speed. Two > modes - PWM or DC - are supported by the chip. Introduced driver > provides various knobs to control the operations of the chip (via > sysfs interface). Specific characteristics of the system can be passed > either using board init code or via DT. Documentation for both the > driver and DT bindings are also provided. > > Signed-off-by: Arnaud Ebalard <arno@xxxxxxxxxxxx> > --- > Hi Guenter, > > In the end, I think handling the clock properly for DT path > (clk_prepare_enable() and associated clk_disable_unprepare() > for both error and module unloading) adds some code but I > do not see how to spare this. Comments welcome. > > If you have additional comments and a new version is required, > I'll handle those with Simon's tests on its platform. > We might need to be more careful with the clocks. Several drivers save the value retrieved with of_clk_get() and call clk_put() afterwards. But some drivers don't do that, so I don't really know the implications. I'll look into it some more to make sure everything is correct. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
