On Fri, May 25, 2018 at 08:54:30AM +0300, Matti Vaittinen wrote: > On Thu, May 24, 2018 at 06:57:21PM +0100, Mark Brown wrote: > > You can look at the regulators node within the parent device, you know > > that in Linux the parent device will be the MFD. > So I should parse the device-tree in MFD my driver in order to locate > the regulators node? Isn't that somewhat like code dublication? If we > rely on compatibles we can avoid device-tree parsing in MFD driver, No, there's no need to do this - the child can just look at the of_node of the parent since it can never be instantiated otherwise. > right? An in-tree example of this is: There are some bad examples (and some where the same regulators can get used with multiple different parents) but that's no reason not to follow good practice.
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