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authorIngo Molnar <mingo@elte.hu>2009-04-21 10:46:39 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-21 10:46:54 +0200
commit8ecee4620e76aae418bfa0e8cc830e92cb559bbb (patch)
tree49a36784c0a26c8494a37087e37502101013b35d /include/linux/clk.h
parentx86: remove (null) in /sys kernel_page_tables (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 (diff)
Merge branch 'linus' into x86/mm
Merge reason: refresh the topic: there's been 290 non-merges commits upstream to arch/x86 alone. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/clk.h')
-rw-r--r--include/linux/clk.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 778777316ea4..1db9bbf444a3 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -125,4 +125,21 @@ int clk_set_parent(struct clk *clk, struct clk *parent);
*/
struct clk *clk_get_parent(struct clk *clk);
+/**
+ * clk_get_sys - get a clock based upon the device name
+ * @dev_id: device name
+ * @con_id: connection ID
+ *
+ * Returns a struct clk corresponding to the clock producer, or
+ * valid IS_ERR() condition containing errno. The implementation
+ * uses @dev_id and @con_id to determine the clock consumer, and
+ * thereby the clock producer. In contrast to clk_get() this function
+ * takes the device name instead of the device itself for identification.
+ *
+ * Drivers must assume that the clock source is not enabled.
+ *
+ * clk_get_sys should not be called from within interrupt context.
+ */
+struct clk *clk_get_sys(const char *dev_id, const char *con_id);
+
#endif