[PATCH v2 1/2] PM / Domains: Add OF support
kgene.kim at samsung.com
Tue Jan 31 00:53:05 EST 2012
Rafael J. Wysocki wrote:
> On Tuesday, January 17, 2012, Kukjin Kim wrote:
> > Rafael J. Wysocki wrote:
> > >
> > > On Saturday, January 07, 2012, Thomas Abraham wrote:
> > > > A device node pointer is added to generic pm domain structure to
> > > associate
> > > > the domain with a node in the device tree. The platform code parses the
> > > > device tree to find available nodes representing the generic power
> > > domain,
> > > > instantiates the available domains and initializes them by calling
> > > > pm_genpd_init().
> > > >
> > > > Nodes representing the devices include a phandle of the power domain to
> > > > which it belongs. As these devices get instantiated, the driver code
> > > > checkes for availability of a power domain phandle, converts the phandle
> > > > to a device node and uses the new pm_genpd_of_add_device() api to
> > > > associate the device with a power domain.
> > > >
> > > > pm_genpd_of_add_device() runs through its list of registered power
> > > domains
> > > > and matches the OF node of the domain with the one specified as the
> > > > parameter. If a match is found, the device is associated with the
> > > matched
> > > > domain.
> > > >
> > > > Cc: Rafael J. Wysocki <rjw at sisk.pl>
> > > > Cc: Rob Herring <rob.herring at calxeda.com>
> > > > Cc: Grant Likely <grant.likely at secretlab.ca>
> > > > Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
> > >
> > > I can take this patch for 3.4, but your [2/2] depends on it, so I'm not
> > > sure how to handle that. If you want me to take the other patch too,
> > > it'll need ACKs from the Exynos maintaniers.
> > >
> > Hi Rafael,
> > Basically, looks ok to me.
> > But it would be good if [v3 2/2] patch of this series (this patch) could be
> > applied in samsung tree to avoid conflicts as it modifies many files. I
> > don't want to make a trouble when sending my tree to upstream. Of course, as
> > you said, this have a dependency with [v2 1/2]. So if you're ok, let me
> > create topic branch will have both(1/2 and 2/2) to merge in your tree.
> > How do you think?
> That would work for me too.
I created topic branch for you with your ack.
Please merge that in your tree and if any problems, please kindly let me know.
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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