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| author | Tony Lindgren | 2009-06-03 18:43:14 +0200 |
|---|---|---|
| committer | Russell King | 2009-06-04 18:45:43 +0200 |
| commit | c0683039207226afcffbe0fbf6a1caaee77a37b0 (patch) | |
| tree | d91295ea184722929a12c772839c3d6f502ad95b /arch/arm/common/clkdev.c | |
| parent | [ARM] 5541/1: serial/amba-pl011.c: add support for the modified port found in... (diff) | |
| download | kernel-qcow2-linux-c0683039207226afcffbe0fbf6a1caaee77a37b0.tar.gz kernel-qcow2-linux-c0683039207226afcffbe0fbf6a1caaee77a37b0.tar.xz kernel-qcow2-linux-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/clkdev.c')
| -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 5589444ff437..f37afd9422f3 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 */ |