[ARM] omap: provide a dummy clock node

By providing a dummy clock node, we can eliminate the SoC conditional
clock handing in the OMAP drivers, moving this knowledge out of the
driver and into the machine clock support code.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 829b9b845b85..88c716331ee5 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -33,6 +33,26 @@ static const struct clkops clkops_dspck;
 
 #include "clock.h"
 
+static int clk_omap1_dummy_enable(struct clk *clk)
+{
+        return 0;
+}
+
+static void clk_omap1_dummy_disable(struct clk *clk)
+{
+}
+
+static const struct clkops clkops_dummy = {
+        .enable = clk_omap1_dummy_enable,
+        .disable = clk_omap1_dummy_disable,
+};
+
+static struct clk dummy_ck = {
+        .name   = "dummy",
+        .ops    = &clkops_dummy,
+        .flags  = RATE_FIXED,
+};
+
 struct omap_clk {
         u32             cpu;
         struct clk_lookup lk;