On Tue, Jun 19, 2012 at 12:25:58PM +0800, Wei Ni wrote:

As Stephen previously said please fix your mail formatting - word
wrapping within paragraphs is important!

On Tue, Jun 19, 2012 at 09:23:35, Philip Rakity wrote:

quoted

Why can't you use the regulator notify to get called back on power or 
voltage change options to plumb in the manipulation of the gpio. I can 
imagine you might need to add a notify call in core.c if you need to 
assert the gpio before power is applied

Yes, we can use the regulator notify, but the Tegra30 support is via
device tree, I think there have no special board file to run the call
back.

You can mix board files with device tree for cases where device tree is
not yet up to the job, though the goal should be to come up with a way
of expressing things in device tree.
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