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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-04 16:35:03 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-02-08 11:38:39 +0000
commit897dcded6fb6565f4d1c22a55d21f135403db132 (patch)
treeda9c4028ed49a1482445131760b4fc45c6524abe /arch/arm/plat-omap/include/mach/clock.h
parent548d849574847b788fe846fe21a41386063be161 (diff)
downloadlinux-897dcded6fb6565f4d1c22a55d21f135403db132.tar.bz2
[ARM] omap: provide a NULL clock operations structure
... and use it for clocks which are ALWAYS_ENABLED. These clocks use a non-NULL enable_reg pointer for other purposes (such as selecting clock rates.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-omap/include/mach/clock.h')
-rw-r--r--arch/arm/plat-omap/include/mach/clock.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h
index 4fe5084e8cc2..c1e484463ed5 100644
--- a/arch/arm/plat-omap/include/mach/clock.h
+++ b/arch/arm/plat-omap/include/mach/clock.h
@@ -125,11 +125,13 @@ extern void clk_deny_idle(struct clk *clk);
extern int clk_get_usecount(struct clk *clk);
extern void clk_enable_init_clocks(void);
+extern const struct clkops clkops_null;
+
/* Clock flags */
#define RATE_CKCTL (1 << 0) /* Main fixed ratio clocks */
#define RATE_FIXED (1 << 1) /* Fixed clock rate */
#define RATE_PROPAGATES (1 << 2) /* Program children too */
-#define ALWAYS_ENABLED (1 << 4) /* Clock cannot be disabled */
+/* bits 3-4 are free */
#define ENABLE_REG_32BIT (1 << 5) /* Use 32-bit access */
#define VIRTUAL_IO_ADDRESS (1 << 6) /* Clock in virtual address */
#define CLOCK_IDLE_CONTROL (1 << 7)