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author | Tony Lindgren <tony@atomide.com> | 2009-06-03 17:43:14 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-06-04 17:45:43 +0100 |
commit | c0683039207226afcffbe0fbf6a1caaee77a37b0 (patch) | |
tree | d91295ea184722929a12c772839c3d6f502ad95b /arch/arm/common | |
parent | 5926a295bb78272b3f648f62febecd19a1b6a6ca (diff) | |
download | linux-3.10-c0683039207226afcffbe0fbf6a1caaee77a37b0.tar.gz linux-3.10-c0683039207226afcffbe0fbf6a1caaee77a37b0.tar.bz2 linux-3.10-c0683039207226afcffbe0fbf6a1caaee77a37b0.zip |
[ARM] 5536/1: Move clk_add_alias() to arch/arm/common/clkdev.c
This can be used for other arm platforms too as discussed
on the linux-arm-kernel list.
Also check the return value with IS_ERR and return PTR_ERR
as suggested by Russell King.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
-rw-r--r-- | arch/arm/common/clkdev.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index 5589444ff43..f37afd9422f 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c @@ -135,6 +135,24 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, } EXPORT_SYMBOL(clkdev_alloc); +int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, + struct device *dev) +{ + struct clk *r = clk_get(dev, id); + struct clk_lookup *l; + + if (IS_ERR(r)) + return PTR_ERR(r); + + l = clkdev_alloc(r, alias, alias_dev_name); + clk_put(r); + if (!l) + return -ENODEV; + clkdev_add(l); + return 0; +} +EXPORT_SYMBOL(clk_add_alias); + /* * clkdev_drop - remove a clock dynamically allocated */ |