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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-06-30 19:47:59 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-09 20:54:14 +0100
commitbdb08cb2d3491d441dd403dfb88d90ba90fb7232 (patch)
tree390117716c0f4f30a50636a5a0ef1e828e48d1fa /arch/arm/mach-pxa/clock.h
parent5e329d1c7f5fe6adfee99c783fa98bda7dae8ac5 (diff)
downloadop-kernel-dev-bdb08cb2d3491d441dd403dfb88d90ba90fb7232.zip
op-kernel-dev-bdb08cb2d3491d441dd403dfb88d90ba90fb7232.tar.gz
[ARM] pxa: allow clk aliases
We need to support more than one name+device for a struct clk for a small number of peripherals. We do this by re-using struct clk alias to another struct clk - IOW, if we find that the entry we're using is an alias, we return the aliased entry not the one we found. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/clock.h')
-rw-r--r--arch/arm/mach-pxa/clock.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h
index bc6b77e..83cbfab 100644
--- a/arch/arm/mach-pxa/clock.h
+++ b/arch/arm/mach-pxa/clock.h
@@ -15,6 +15,7 @@ struct clk {
unsigned int cken;
unsigned int delay;
unsigned int enabled;
+ struct clk *other;
};
#define INIT_CKEN(_name, _cken, _rate, _delay, _dev) \
@@ -35,6 +36,17 @@ struct clk {
.cken = CKEN_##_cken, \
}
+/*
+ * This is a placeholder to alias one clock device+name pair
+ * to another struct clk.
+ */
+#define INIT_CKOTHER(_name, _other, _dev) \
+ { \
+ .name = _name, \
+ .dev = _dev, \
+ .other = _other, \
+ }
+
extern const struct clkops clk_cken_ops;
void clk_cken_enable(struct clk *clk);
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