ARM: tegra2: convert to CONFIG_MULTI_IRQ_HANDLER

Convert the tegra2 platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Tested on harmony.

Cc: Colin Cross <ccross@android.com>
Acked-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NOlof Johansson <olof@lixom.net>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>

arch/arm/mach-tegra/Kconfig

@@ -13,6 +13,7 @@ config ARCH_TEGRA_2x_SOC
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT
 	select USB_ULPI if USB_SUPPORT
 	select USB_ULPI_VIEWPORT if USB_SUPPORT
+	select MULTI_IRQ_HANDLER
 	help
 	  Support for NVIDIA Tegra AP20 and T20 processors, based on the
 	  ARM CortexA9MP CPU and the ARM PL310 L2 cache controller

arch/arm/mach-tegra/board-dt.c

@@ -32,6 +32,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-tegra.h>
 
+#include <asm/hardware/gic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
@@ -130,6 +131,7 @@ DT_MACHINE_START(TEGRA_DT, "nVidia Tegra (Flattened Device Tree)")
 	.map_io		= tegra_map_common_io,
 	.init_early	= tegra_init_early,
 	.init_irq	= tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer		= &tegra_timer,
 	.init_machine	= tegra_dt_init,
 	.dt_compat	= tegra_dt_board_compat,

arch/arm/mach-tegra/board-harmony.c

@@ -31,6 +31,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
+#include <asm/hardware/gic.h>
 #include <asm/setup.h>
 
 #include <mach/tegra_wm8903_pdata.h>
@@ -187,6 +188,7 @@ MACHINE_START(HARMONY, "harmony")
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_harmony_init,
 MACHINE_END

arch/arm/mach-tegra/board-paz00.c

@@ -29,6 +29,7 @@
 #include <linux/gpio.h>
 #include <linux/rfkill-gpio.h>
 
+#include <asm/hardware/gic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
@@ -190,6 +191,7 @@ MACHINE_START(PAZ00, "Toshiba AC100 / Dynabook AZ")
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_paz00_init,
 MACHINE_END

arch/arm/mach-tegra/board-seaboard.c

@@ -34,6 +34,7 @@
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
 
 #include "board.h"
 #include "board-seaboard.h"
@@ -284,6 +285,7 @@ MACHINE_START(SEABOARD, "seaboard")
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_seaboard_init,
 MACHINE_END
@@ -293,6 +295,7 @@ MACHINE_START(KAEN, "kaen")
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_kaen_init,
 MACHINE_END
@@ -302,6 +305,7 @@ MACHINE_START(WARIO, "wario")
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_wario_init,
 MACHINE_END

arch/arm/mach-tegra/board-trimslice.c

@@ -26,6 +26,7 @@
 #include <linux/i2c.h>
 #include <linux/gpio.h>
 
+#include <asm/hardware/gic.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/setup.h>
@@ -176,6 +177,7 @@ MACHINE_START(TRIMSLICE, "trimslice")
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
 	.init_irq       = tegra_init_irq,
+	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
 	.init_machine   = tegra_trimslice_init,
 MACHINE_END

arch/arm/mach-tegra/include/mach/entry-macro.S

@@ -12,30 +12,15 @@
  * GNU General Public License for more details.
  *
  */
-#include <mach/iomap.h>
-#include <mach/io.h>
-
-#if defined(CONFIG_ARM_GIC)
-#define HAVE_GET_IRQNR_PREAMBLE
-#include <asm/hardware/entry-macro-gic.S>
-
-	/* Uses the GIC interrupt controller built into the cpu */
-#define ICTRL_BASE (IO_CPU_VIRT + 0x100)
 
 	.macro	disable_fiq
 	.endm
 
-	.macro	get_irqnr_preamble, base, tmp
-	movw \base, #(ICTRL_BASE & 0x0000ffff)
-	movt \base, #((ICTRL_BASE & 0xffff0000) >> 16)
+	.macro	arch_ret_to_user, tmp1, tmp2
 	.endm
 
-	.macro  arch_ret_to_user, tmp1, tmp2
-	.endm
-#else
+#if !defined(CONFIG_ARM_GIC)
 	/* legacy interrupt controller for AP16 */
-	.macro	disable_fiq
-	.endm
 
 	.macro	get_irqnr_preamble, base, tmp
 	@ enable imprecise aborts
@@ -46,9 +31,6 @@
 	orr \base, #0x0000f000
 	.endm
 
-	.macro	arch_ret_to_user, tmp1, tmp2
-	.endm
-
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 	ldr \irqnr, [\base, #0x20]	@ EVT_IRQ_STS
 	cmp \irqnr, #0x80