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-rw-r--r--arch/arm/mach-pxa/Kconfig16
-rw-r--r--arch/arm/mach-pxa/corgi_pm.c2
-rw-r--r--arch/arm/mach-pxa/generic.c4
-rw-r--r--arch/arm/mach-pxa/sharpsl_pm.c2
-rw-r--r--arch/arm/mach-pxa/spitz_pm.c2
-rw-r--r--arch/arm/mach-pxa/time.c45
-rw-r--r--arch/arm/mach-pxa/trizeps4.c5
7 files changed, 37 insertions, 39 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 9e3d0bdcba0..5c0a10041cd 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -75,28 +75,28 @@ endmenu
config MACH_POODLE
bool "Enable Sharp SL-5600 (Poodle) Support"
- depends PXA_SHARPSL_25x
+ depends on PXA_SHARPSL_25x
select SHARP_LOCOMO
select PXA_SSP
config MACH_CORGI
bool "Enable Sharp SL-C700 (Corgi) Support"
- depends PXA_SHARPSL_25x
+ depends on PXA_SHARPSL_25x
select PXA_SHARP_C7xx
config MACH_SHEPHERD
bool "Enable Sharp SL-C750 (Shepherd) Support"
- depends PXA_SHARPSL_25x
+ depends on PXA_SHARPSL_25x
select PXA_SHARP_C7xx
config MACH_HUSKY
bool "Enable Sharp SL-C760 (Husky) Support"
- depends PXA_SHARPSL_25x
+ depends on PXA_SHARPSL_25x
select PXA_SHARP_C7xx
config MACH_AKITA
bool "Enable Sharp SL-1000 (Akita) Support"
- depends PXA_SHARPSL_27x
+ depends on PXA_SHARPSL_27x
select PXA_SHARP_Cxx00
select MACH_SPITZ
select I2C
@@ -104,17 +104,17 @@ config MACH_AKITA
config MACH_SPITZ
bool "Enable Sharp Zaurus SL-3000 (Spitz) Support"
- depends PXA_SHARPSL_27x
+ depends on PXA_SHARPSL_27x
select PXA_SHARP_Cxx00
config MACH_BORZOI
bool "Enable Sharp Zaurus SL-3100 (Borzoi) Support"
- depends PXA_SHARPSL_27x
+ depends on PXA_SHARPSL_27x
select PXA_SHARP_Cxx00
config MACH_TOSA
bool "Enable Sharp SL-6000x (Tosa) Support"
- depends PXA_SHARPSL_25x
+ depends on PXA_SHARPSL_25x
config PXA25x
bool
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index 4c3de4008a4..165017de8d0 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -16,7 +16,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
-#include <asm/apm.h>
+#include <asm/apm-emulation.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6ae605857ca..9de1278d234 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -76,7 +76,9 @@ unsigned long long sched_clock(void)
/*
* 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
* any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
- * years range which is nice, but with higher computation cost.
+ * years range and truncation to unsigned long long limits it to
+ * sched_clock's max range of ~584 years. This is nice but with
+ * higher computation cost.
*/
{
union {
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index db6e8f56a75..b1d8cfca245 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -23,7 +23,7 @@
#include <asm/hardware.h>
#include <asm/mach-types.h>
-#include <asm/apm.h>
+#include <asm/apm-emulation.h>
#include <asm/arch/pm.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/sharpsl.h>
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 40be833079c..b97d543d936 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -16,7 +16,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
-#include <asm/apm.h>
+#include <asm/apm-emulation.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index b9146686102..ee2beb40041 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -18,6 +18,7 @@
#include <linux/signal.h>
#include <linux/errno.h>
#include <linux/sched.h>
+#include <linux/clocksource.h>
#include <asm/system.h>
#include <asm/hardware.h>
@@ -48,27 +49,6 @@ static int pxa_set_rtc(void)
return 0;
}
-/* IRQs are disabled before entering here from do_gettimeofday() */
-static unsigned long pxa_gettimeoffset (void)
-{
- long ticks_to_match, elapsed, usec;
-
- /* Get ticks before next timer match */
- ticks_to_match = OSMR0 - OSCR;
-
- /* We need elapsed ticks since last match */
- elapsed = LATCH - ticks_to_match;
-
- /* don't get fooled by the workaround in pxa_timer_interrupt() */
- if (elapsed <= 0)
- return 0;
-
- /* Now convert them to usec */
- usec = (unsigned long)(elapsed * (tick_nsec / 1000))/LATCH;
-
- return usec;
-}
-
#ifdef CONFIG_NO_IDLE_HZ
static unsigned long initial_match;
static int match_posponed;
@@ -121,6 +101,20 @@ static struct irqaction pxa_timer_irq = {
.handler = pxa_timer_interrupt,
};
+static cycle_t pxa_get_cycles(void)
+{
+ return OSCR;
+}
+
+static struct clocksource clocksource_pxa = {
+ .name = "pxa_timer",
+ .rating = 200,
+ .read = pxa_get_cycles,
+ .mask = CLOCKSOURCE_MASK(32),
+ .shift = 20,
+ .is_continuous = 1,
+};
+
static void __init pxa_timer_init(void)
{
struct timespec tv;
@@ -139,6 +133,14 @@ static void __init pxa_timer_init(void)
OIER = OIER_E0; /* enable match on timer 0 to cause interrupts */
OSMR0 = OSCR + LATCH; /* set initial match */
local_irq_restore(flags);
+
+ /*
+ * OSCR runs continuously on PXA and is not written to,
+ * so we can use it as clock source directly.
+ */
+ clocksource_pxa.mult =
+ clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift);
+ clocksource_register(&clocksource_pxa);
}
#ifdef CONFIG_NO_IDLE_HZ
@@ -211,7 +213,6 @@ struct sys_timer pxa_timer = {
.init = pxa_timer_init,
.suspend = pxa_timer_suspend,
.resume = pxa_timer_resume,
- .offset = pxa_gettimeoffset,
#ifdef CONFIG_NO_IDLE_HZ
.dyn_tick = &pxa_dyn_tick,
#endif
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index c1827d021ba..119c64b7223 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -393,10 +393,6 @@ static struct pxafb_mach_info sharp_lcd = {
.pxafb_backlight_power = board_backlight_power,
};
-static void __init trizeps4_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi)
-{
-}
-
static void __init trizeps4_init(void)
{
platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
@@ -469,7 +465,6 @@ MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
- .fixup = trizeps4_fixup,
.init_machine = trizeps4_init,
.map_io = trizeps4_map_io,
.init_irq = pxa_init_irq,