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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 11:25:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 11:25:16 -0700
commita724eada8c2a7b62463b73ccf73fd0bb6e928aeb (patch)
tree9fbf124022944cba2fdd6aa468f1bad8adc6b2ab
parent1b9894f342a39601bb0420b7b8c7e445670c1b51 (diff)
parentdfdd8cc903288bb2e2ad6731545be3db7304c133 (diff)
Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6
* 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6: Add MAINTAINERS entry for ARM/INTEL IXP4xx arch support. ixp4xx: arch_idle() documentation fixup ixp4xx: timer and clocks cleanups
-rw-r--r--MAINTAINERS7
-rw-r--r--arch/arm/mach-ixp4xx/common.c16
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/system.h6
3 files changed, 18 insertions, 11 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 8f6297881077..7c1c0b05b298 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -686,6 +686,13 @@ M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+ARM/INTEL IXP4XX ARM ARCHITECTURE
+M: Imre Kaloz <kaloz@openwrt.org>
+M: Krzysztof Halasa <khc@pm.waw.pl>
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: arch/arm/mach-ixp4xx/
+
ARM/INTEL XSC3 (MANZANO) ARM CORE
M: Lennert Buytenhek <kernel@wantstofly.org>
M: Dan Williams <dan.j.williams@intel.com>
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 5083f03e9b5e..cfd52fb341cb 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -41,8 +41,8 @@
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
-static int __init ixp4xx_clocksource_init(void);
-static int __init ixp4xx_clockevent_init(void);
+static void __init ixp4xx_clocksource_init(void);
+static void __init ixp4xx_clockevent_init(void);
static struct clock_event_device clockevent_ixp4xx;
/*************************************************************************
@@ -267,7 +267,7 @@ void __init ixp4xx_init_irq(void)
static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
{
- struct clock_event_device *evt = &clockevent_ixp4xx;
+ struct clock_event_device *evt = dev_id;
/* Clear Pending Interrupt by writing '1' to it */
*IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
@@ -281,6 +281,7 @@ static struct irqaction ixp4xx_timer_irq = {
.name = "timer1",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = ixp4xx_timer_interrupt,
+ .dev_id = &clockevent_ixp4xx,
};
void __init ixp4xx_timer_init(void)
@@ -401,7 +402,7 @@ void __init ixp4xx_sys_init(void)
/*
* clocksource
*/
-cycle_t ixp4xx_get_cycles(struct clocksource *cs)
+static cycle_t ixp4xx_get_cycles(struct clocksource *cs)
{
return *IXP4XX_OSTS;
}
@@ -417,14 +418,12 @@ static struct clocksource clocksource_ixp4xx = {
unsigned long ixp4xx_timer_freq = FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
-static int __init ixp4xx_clocksource_init(void)
+static void __init ixp4xx_clocksource_init(void)
{
clocksource_ixp4xx.mult =
clocksource_hz2mult(ixp4xx_timer_freq,
clocksource_ixp4xx.shift);
clocksource_register(&clocksource_ixp4xx);
-
- return 0;
}
/*
@@ -480,7 +479,7 @@ static struct clock_event_device clockevent_ixp4xx = {
.set_next_event = ixp4xx_set_next_event,
};
-static int __init ixp4xx_clockevent_init(void)
+static void __init ixp4xx_clockevent_init(void)
{
clockevent_ixp4xx.mult = div_sc(FREQ, NSEC_PER_SEC,
clockevent_ixp4xx.shift);
@@ -491,5 +490,4 @@ static int __init ixp4xx_clockevent_init(void)
clockevent_ixp4xx.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_ixp4xx);
- return 0;
}
diff --git a/arch/arm/mach-ixp4xx/include/mach/system.h b/arch/arm/mach-ixp4xx/include/mach/system.h
index d2aa26f5acd7..54c0af7fa2d4 100644
--- a/arch/arm/mach-ixp4xx/include/mach/system.h
+++ b/arch/arm/mach-ixp4xx/include/mach/system.h
@@ -13,9 +13,11 @@
static inline void arch_idle(void)
{
+ /* ixp4xx does not implement the XScale PWRMODE register,
+ * so it must not call cpu_do_idle() here.
+ */
#if 0
- if (!hlt_counter)
- cpu_do_idle(0);
+ cpu_do_idle();
#endif
}