10 files changed, 39 insertions, 63 deletions

diff --git a/arch/arm/mach-ep93xx/adssphere.c b/arch/arm/mach-ep93xx/adssphere.c
index 41383bf03d4b..bda6c3a5c923 100644
--- a/arch/arm/mach-ep93xx/adssphere.c
+++ b/arch/arm/mach-ep93xx/adssphere.c
@@ -17,7 +17,6 @@
 
 #include <mach/hardware.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -39,8 +38,7 @@ MACHINE_START(ADSSPHERE, "ADS Sphere board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = adssphere_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index e85bf17f2d2a..c49ed3dc1aea 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -34,6 +34,7 @@
 #include <linux/i2c-gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/export.h>
+#include <linux/irqchip/arm-vic.h>
 
 #include <mach/hardware.h>
 #include <linux/platform_data/video-ep93xx.h>
@@ -44,8 +45,6 @@
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
 
-#include <asm/hardware/vic.h>
-
 #include "soc.h"
 
 /*************************************************************************
@@ -140,11 +139,29 @@ static struct irqaction ep93xx_timer_irq = {
         .handler        = ep93xx_timer_interrupt,
 };
 
-static void __init ep93xx_timer_init(void)
+static u32 ep93xx_gettimeoffset(void)
+{
+        int offset;
+
+        offset = __raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time;
+
+        /*
+         * Timer 4 is based on a 983.04 kHz reference clock,
+         * so dividing by 983040 gives the fraction of a second,
+         * so dividing by 0.983040 converts to uS.
+         * Refactor the calculation to avoid overflow.
+         * Finally, multiply by 1000 to give nS.
+         */
+        return (offset + (53 * offset / 3072)) * 1000;
+}
+
+void __init ep93xx_timer_init(void)
 {
         u32 tmode = EP93XX_TIMER123_CONTROL_MODE |
                     EP93XX_TIMER123_CONTROL_CLKSEL;
 
+        arch_gettimeoffset = ep93xx_gettimeoffset;
+
         /* Enable periodic HZ timer.  */
         __raw_writel(tmode, EP93XX_TIMER1_CONTROL);
         __raw_writel(TIMER1_RELOAD, EP93XX_TIMER1_LOAD);
@@ -158,21 +175,6 @@ static void __init ep93xx_timer_init(void)
         setup_irq(IRQ_EP93XX_TIMER1, &ep93xx_timer_irq);
 }
 
-static unsigned long ep93xx_gettimeoffset(void)
-{
-        int offset;
-
-        offset = __raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time;
-
-        /* Calculate (1000000 / 983040) * offset.  */
-        return offset + (53 * offset / 3072);
-}
-
-struct sys_timer ep93xx_timer = {
-        .init           = ep93xx_timer_init,
-        .offset         = ep93xx_gettimeoffset,
-};
-
 
 /*************************************************************************
  * EP93xx IRQ handling
diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index b8f53d57a299..27b14ae92c7e 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -39,7 +39,6 @@
 #include <linux/platform_data/spi-ep93xx.h>
 #include <mach/gpio-ep93xx.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -276,8 +275,7 @@ MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -290,8 +288,7 @@ MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -304,8 +301,7 @@ MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -318,8 +314,7 @@ MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -332,8 +327,7 @@ MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -346,8 +340,7 @@ MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -360,8 +353,7 @@ MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -374,8 +366,7 @@ MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = edb93xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c
index 7fd705b5efe4..0cca5b183309 100644
--- a/arch/arm/mach-ep93xx/gesbc9312.c
+++ b/arch/arm/mach-ep93xx/gesbc9312.c
@@ -17,7 +17,6 @@
 
 #include <mach/hardware.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -39,8 +38,7 @@ MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = gesbc9312_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index 33a5122c6dc8..a14e1b37beff 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -53,7 +53,7 @@ int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
 void ep93xx_ide_release_gpio(struct platform_device *pdev);
 
 void ep93xx_init_devices(void);
-extern struct sys_timer ep93xx_timer;
+extern void ep93xx_timer_init(void);
 
 void ep93xx_restart(char, const char *);
 void ep93xx_init_late(void);
diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index 3d7cdab725b2..373583c29825 100644
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -18,7 +18,6 @@
 
 #include <mach/hardware.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -82,8 +81,7 @@ MACHINE_START(MICRO9, "Contec Micro9-High")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = micro9_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -96,8 +94,7 @@ MACHINE_START(MICRO9M, "Contec Micro9-Mid")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = micro9_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -110,8 +107,7 @@ MACHINE_START(MICRO9L, "Contec Micro9-Lite")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = micro9_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
@@ -124,8 +120,7 @@ MACHINE_START(MICRO9S, "Contec Micro9-Slim")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = micro9_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c
index 0eb3f17a6fa2..36f22c1a31fe 100644
--- a/arch/arm/mach-ep93xx/simone.c
+++ b/arch/arm/mach-ep93xx/simone.c
@@ -25,7 +25,6 @@
 #include <linux/platform_data/video-ep93xx.h>
 #include <mach/gpio-ep93xx.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -83,8 +82,7 @@ MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = simone_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c
index 50043eef1cf2..aa86f86638dd 100644
--- a/arch/arm/mach-ep93xx/snappercl15.c
+++ b/arch/arm/mach-ep93xx/snappercl15.c
@@ -31,7 +31,6 @@
 #include <linux/platform_data/video-ep93xx.h>
 #include <mach/gpio-ep93xx.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -176,8 +175,7 @@ MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
         .atag_offset    = 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = snappercl15_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 3c4c233391dc..61f4b5dc4d7d 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -22,7 +22,6 @@
 
 #include <mach/hardware.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 #include <asm/mach/arch.h>
@@ -246,8 +245,7 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
         .atag_offset    = 0x100,
         .map_io         = ts72xx_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = ts72xx_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,
diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index ba92e25e3016..605956fd07a2 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -34,7 +34,6 @@
 #include <linux/platform_data/spi-ep93xx.h>
 #include <mach/gpio-ep93xx.h>
 
-#include <asm/hardware/vic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 #include <asm/mach/arch.h>
@@ -364,8 +363,7 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
         .atag_offset    = 0x100,
         .map_io         = vision_map_io,
         .init_irq       = ep93xx_init_irq,
-        .handle_irq     = vic_handle_irq,
-        .timer          = &ep93xx_timer,
+        .init_time      = ep93xx_timer_init,
         .init_machine   = vision_init_machine,
         .init_late      = ep93xx_init_late,
         .restart        = ep93xx_restart,