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authorJon Hunter <jonathanh@nvidia.com>2016-03-15 11:33:40 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-03-17 02:32:04 +0100
commit02113ba93ea414b7113d64e42b87dc0720e3e578 (patch)
treed4a1c34d81214dbd79695c80b90a621d0d2f364f /kernel
parentb562e44f507e863c6792946e4e1b1449fbbac85d (diff)
PM / clk: Add support for obtaining clocks from device-tree
The PM clocks framework requires clients to pass either a con-id or a valid clk pointer in order to add a clock to a device. Add a new function of_pm_clk_add_clks() to allows device clocks to be retrieved from device-tree and populated for a given device. Note that it is not necessary to make the compilation of this new function dependent upon CONFIG_OF because there are stubs functions for the device-tree APIs used. In order to handle errors encountered when adding clocks from device-tree, add a function pm_clk_remove_clk() to remove any clocks (using a pointer to the clk structure) that have been added successfully before the error occurred. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel')
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