Commit b7378eaf authored by Jamie Iles's avatar Jamie Iles Committed by Marc Zyngier
Browse files

ARM: u300: convert to MULTI_IRQ_HANDLER 



Now that there is a generic IRQ handler for multiple VIC devices use it
for u300 to help building multi platform kernels.

Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJamie Iles <jamie@jamieiles.com>
parent 66266f4a

arch/arm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -896,6 +896,7 @@ config ARCH_U300 
	select GENERIC_GPIO

	select ARCH_REQUIRE_GPIOLIB

	select NEED_MACH_MEMORY_H

	select MULTI_IRQ_HANDLER

	help

	  Support for ST-Ericsson U300 series mobile platforms.

arch/arm/mach-u300/include/mach/entry-macro.S

+0 −24
Original line number Diff line number Diff line
@@ -8,33 +8,9 @@ 
 * Low-level IRQ helper macros for ST-Ericsson U300

 * Author: Linus Walleij <linus.walleij@stericsson.com>

 */

#include <mach/hardware.h>

#include <asm/hardware/vic.h>



	.macro	disable_fiq

	.endm



	.macro  get_irqnr_preamble, base, tmp

	.endm



	.macro  arch_ret_to_user, tmp1, tmp2

	.endm
 


	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp

	ldr	\base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON0_BASE

	ldr	\irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status

	mov	\irqnr, #0

	teq	\irqstat, #0

	bne	1002f

1001:	ldr	\base, = U300_AHB_PER_VIRT_BASE-U300_AHB_PER_PHYS_BASE+U300_INTCON1_BASE

	ldr	\irqstat, [\base, #VIC_IRQ_STATUS] @ get masked status

	mov	\irqnr, #32

	teq	\irqstat, #0

	beq	1003f

1002:	tst	\irqstat, #1

	bne	1003f

	add	\irqnr, \irqnr, #1

	movs	\irqstat, \irqstat, lsr #1

	bne	1002b

1003:		/* EQ will be set if no irqs pending */

	.endm

arch/arm/mach-u300/u300.c

+2 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/io.h>

#include <mach/hardware.h>

#include <mach/platform.h>

#include <asm/hardware/vic.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/memory.h>
@@ -49,6 +50,7 @@ MACHINE_START(U300, MACH_U300_STRING) 
	.atag_offset	= BOOT_PARAMS_OFFSET,

	.map_io		= u300_map_io,

	.init_irq	= u300_init_irq,

	.handle_irq	= vic_handle_irq,

	.timer		= &u300_timer,

	.init_machine	= u300_init_machine,

MACHINE_END