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Subject[RFC 7/8] arm/clkdev: lookup clocks from OF clock providers
Date
From: Jeremy Kerr <jeremy.kerr@canonical.com>

Hook the OF clock provider infrastructure to clk_get.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
drivers/clk/clkdev.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 6db161f..63f81c9 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -19,6 +19,8 @@
#include <linux/mutex.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_clk.h>

static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
@@ -78,6 +80,11 @@ EXPORT_SYMBOL(clk_get_sys);
struct clk *clk_get(struct device *dev, const char *con_id)
{
const char *dev_id = dev ? dev_name(dev) : NULL;
+ struct clk *clk;
+
+ clk = of_clk_get_by_name(dev->of_node, con_id);
+ if (clk && __clk_get(clk))
+ return clk;

return clk_get_sys(dev_id, con_id);
}
--
1.7.5.4


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