[PATCH] generic-time: add macro to simplify/hide mask constants
Add a CLOCKSOURCE_MASK macro to simplify initializing the mask for a struct
clocksource, and use it to replace literal mask constants in the various
clocksource drivers.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c
index 23e7d2c..c6737c3 100644
--- a/arch/i386/kernel/hpet.c
+++ b/arch/i386/kernel/hpet.c
@@ -6,7 +6,7 @@
#include <asm/hpet.h>
#include <asm/io.h>
-#define HPET_MASK 0xFFFFFFFF
+#define HPET_MASK CLOCKSOURCE_MASK(32)
#define HPET_SHIFT 22
/* FSEC = 10^-15 NSEC = 10^-9 */
@@ -23,7 +23,7 @@
.name = "hpet",
.rating = 250,
.read = read_hpet,
- .mask = (cycle_t)HPET_MASK,
+ .mask = HPET_MASK,
.mult = 0, /* set below */
.shift = HPET_SHIFT,
.is_continuous = 1,
diff --git a/arch/i386/kernel/i8253.c b/arch/i386/kernel/i8253.c
index 5b13739..38aa7f1 100644
--- a/arch/i386/kernel/i8253.c
+++ b/arch/i386/kernel/i8253.c
@@ -69,7 +69,7 @@
.name = "pit",
.rating = 110,
.read = pit_read,
- .mask = (cycle_t)-1,
+ .mask = CLOCKSOURCE_MASK(64),
.mult = 0,
.shift = 20,
};
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 1c3c927..7e0d8da 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -337,7 +337,7 @@
.name = "tsc",
.rating = 300,
.read = read_tsc,
- .mask = (cycle_t)-1,
+ .mask = CLOCKSOURCE_MASK(64),
.mult = 0, /* to be set */
.shift = 22,
.update_callback = tsc_update_callback,