[01/10] arm: arch_timer: remove redundant available check

Commit Message

Mark Rutland Nov. 30, 2012, 5:45 p.m. UTC

This check is a holdover from the pre-devicetree days. As the timer
is not probed except by platforms which register it via devicetree,
it's not strictly necessary.

Signed-off-by: Mark Rutland <[e-mail]>
Acked-by: Catalin Marinas <[e-mail]>
Acked-by: Marc Zyngier <[e-mail]>
---
 arch/arm/kernel/arch_timer.c |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)

Patch

diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index c8ef207..a4d3b5c 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -20,11 +20,9 @@ 
 #include <linux/of_irq.h>
 #include <linux/io.h>
 
-#include <asm/cputype.h>
 #include <asm/delay.h>
 #include <asm/localtimer.h>
 #include <asm/arch_timer.h>
-#include <asm/system_info.h>
 #include <asm/sched_clock.h>
 
 static unsigned long arch_timer_rate;
@@ -259,20 +257,10 @@  static int __cpuinit arch_timer_setup(struct clock_event_device *clk)
 	return 0;
 }
 
-/* Is the optional system timer available? */
-static int local_timer_is_architected(void)
-{
-	return (cpu_architecture() >= CPU_ARCH_ARMv7) &&
-	       ((read_cpuid_ext(CPUID_EXT_PFR1) >> 16) & 0xf) == 1;
-}
-
 static int arch_timer_available(void)
 {
 	unsigned long freq;
 
-	if (!local_timer_is_architected())
-		return -ENXIO;
-
 	if (arch_timer_rate == 0) {
 		freq = arch_timer_reg_read(ARCH_TIMER_PHYS_ACCESS,
 					   ARCH_TIMER_REG_FREQ);