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authorSascha Hauer <s.hauer@pengutronix.de>2017-02-01 15:58:58 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2017-02-06 07:31:12 +0100
commitbea07a688163c806a1001028f9eda715ca96976c (patch)
treebf4967686bfad2126a884dec54ec7683682afb17 /include
parentc21794d0eea0dad22cb659ca41b13464f0ee1212 (diff)
downloadbarebox-bea07a688163c806a1001028f9eda715ca96976c.tar.gz
barebox-bea07a688163c806a1001028f9eda715ca96976c.tar.xz
clk: implement CLK_OPS_PARENT_ENABLE
Some clocks may only be modified when their parent clocks are enabled. The kernel has the CLK_OPS_PARENT_ENABLE flag for this purpose. Implement it for barebox aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/clk.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 8cb9731f12..697ab4ff4a 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -198,6 +198,8 @@ static inline int clk_set_rate(struct clk *clk, unsigned long rate)
#ifdef CONFIG_COMMON_CLK
#define CLK_SET_RATE_PARENT (1 << 0) /* propagate rate change up one level */
+/* parents need enable during gate/ungate, set rate and re-parent */
+#define CLK_OPS_PARENT_ENABLE (1 << 12)
#define CLK_GATE_INVERTED (1 << 0)
#define CLK_GATE_HIWORD_MASK (1 << 1)