Hi Stephen, On Fri, Jun 15, 2012 at 1:17 AM, Stephen Warren <[email protected]>wrote:
> On 06/13/2012 10:19 AM, Simon Glass wrote: > > This is a commonly-used requirement, so add a function to support it > > easily. > > Uggh. Why would this ever be needed; shouldn't the driver for the node > referenced by the phandle fully control its own registers; why would any > other driver randomly trample on them? > You are making assumptions. This is used for the pwm and only accessed by the pwm driver. It's basically to allow a simple and efficient way of getting access to a peripheral. Since the new binding you pointed me to uses a single pwm with multiple channels, this doesn't offer any benefit so I will punt it. Regards, Simon
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