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authorSascha Hauer <s.hauer@pengutronix.de>2014-03-13 10:19:15 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2014-03-28 21:03:15 +0100
commit1184234a5ed338f745ec36e425f166cf9d16ae5b (patch)
treedd4b32e35a0ffae06b184a99a3488029fe21075a /drivers/clk/clk.c
parentb1cc0d7fc6728acbed7360b315593c3535ce7d75 (diff)
downloadbarebox-1184234a5ed338f745ec36e425f166cf9d16ae5b.tar.gz
barebox-1184234a5ed338f745ec36e425f166cf9d16ae5b.tar.xz
clk: Add parent round/set rate for mux and gate
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index c67b2f4e48..0d259413a9 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -259,11 +259,31 @@ int clk_is_enabled(struct clk *clk)
return clk_is_enabled(clk);
}
+/*
+ * Generic struct clk_ops callbacks
+ */
int clk_is_enabled_always(struct clk *clk)
{
return 1;
}
+long clk_parent_round_rate(struct clk *clk, unsigned long rate,
+ unsigned long *prate)
+{
+ if (!(clk->flags & CLK_SET_RATE_PARENT))
+ return *prate;
+
+ return clk_round_rate(clk_get_parent(clk), rate);
+}
+
+int clk_parent_set_rate(struct clk *clk, unsigned long rate,
+ unsigned long parent_rate)
+{
+ if (!(clk->flags & CLK_SET_RATE_PARENT))
+ return 0;
+ return clk_set_rate(clk_get_parent(clk), rate);
+}
+
#if defined(CONFIG_OFTREE) && defined(CONFIG_COMMON_CLK_OF_PROVIDER)
/**
* struct of_clk_provider - Clock provider registration structure