Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6

[pandora-kernel.git] / arch / arm / mach-msm / timer.c

diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 38b95e9..63621f1 100644 (file)
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -23,6 +23,8 @@
 #include <linux/io.h>
 
 #include <asm/mach/time.h>
+#include <asm/hardware/gic.h>
+
 #include <mach/msm_iomap.h>
 #include <mach/cpu.h>
 
@@ -55,10 +57,12 @@ enum timer_location {
 #if defined(CONFIG_ARCH_QSD8X50)
 #define DGT_HZ (19200000 / 4) /* 19.2 MHz / 4 by default */
 #define MSM_DGT_SHIFT (0)
-#elif defined(CONFIG_ARCH_MSM7X30) || defined(CONFIG_ARCH_MSM8X60) || \
-                                     defined(CONFIG_ARCH_MSM8960)
+#elif defined(CONFIG_ARCH_MSM7X30)
 #define DGT_HZ (24576000 / 4) /* 24.576 MHz (LPXO) / 4 by default */
 #define MSM_DGT_SHIFT (0)
+#elif defined(CONFIG_ARCH_MSM8X60) || defined(CONFIG_ARCH_MSM8960)
+#define DGT_HZ (27000000 / 4) /* 27 MHz (PXO) / 4 by default */
+#define MSM_DGT_SHIFT (0)
 #else
 #define DGT_HZ 19200000 /* 19.2 MHz or 600 KHz after shift */
 #define MSM_DGT_SHIFT (5)
@@ -100,7 +104,11 @@ static cycle_t msm_read_timer_count(struct clocksource *cs)
 {
        struct msm_clock *clk = container_of(cs, struct msm_clock, clocksource);
 
-       return readl(clk->global_counter);
+       /*
+        * Shift timer count down by a constant due to unreliable lower bits
+        * on some targets.
+        */
+       return readl(clk->global_counter) >> clk->shift;
 }
 
 static struct msm_clock *clockevent_to_clock(struct clock_event_device *evt)