diff options
| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2015-05-19 17:16:14 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-05-28 15:40:03 +0200 |
| commit | 85e6f09785bd06f0510bdb00c40772c7f8da3c43 (patch) | |
| tree | d2abbb2a8601057bbe68a19d51e837525ac5573a /arch/arm/mach-sa1100 | |
| parent | ARM: 8363/1: sa1100: use ioremapped memory to access SC registers (diff) | |
| download | linux-85e6f09785bd06f0510bdb00c40772c7f8da3c43.tar.xz linux-85e6f09785bd06f0510bdb00c40772c7f8da3c43.zip | |
ARM: 8367/1: sa1100: prepare for moving irq driver to drivers/irqchip
Prepare for moving sa1100 irq driver to irqchip infrastructure - split
sa1100_init_irq into helper code and irq parts.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-sa1100')
| -rw-r--r-- | arch/arm/mach-sa1100/generic.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/irq.c | 21 |
2 files changed, 19 insertions, 15 deletions
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index c651f6eb863c..345e63f4eb71 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -20,6 +20,7 @@ #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/reboot.h> +#include <linux/irqchip/irq-sa11x0.h> #include <video/sa1100fb.h> @@ -377,6 +378,18 @@ void __init sa1100_timer_init(void) pxa_timer_nodt_init(IRQ_OST0, io_p2v(0x90000000), 3686400); } +static struct resource irq_resource = + DEFINE_RES_MEM_NAMED(0x90050000, SZ_64K, "irqs"); + +void __init sa1100_init_irq(void) +{ + request_resource(&iomem_resource, &irq_resource); + + sa11x0_init_irq_nodt(IRQ_GPIO0_SC, irq_resource.start); + + sa1100_init_gpio(); +} + /* * Disable the memory bus request/grant signals on the SA1110 to * ensure that we don't receive spurious memory requests. We set diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index 08f929efddbc..fdec5edbbfd5 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -1,9 +1,10 @@ /* * linux/arch/arm/mach-sa1100/irq.c * + * Copyright (C) 2015 Dmitry Eremin-Solenikov * Copyright (C) 1999-2001 Nicolas Pitre * - * Generic IRQ handling for the SA11x0, GPIO 11-27 IRQ demultiplexing. + * Generic IRQ handling for the SA11x0. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -15,16 +16,13 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/irqdomain.h> -#include <linux/ioport.h> #include <linux/syscore_ops.h> +#include <linux/irqchip/irq-sa11x0.h> #include <soc/sa1100/pwer.h> -#include <mach/irqs.h> #include <asm/exception.h> -#include "generic.h" - #define ICIP 0x00 /* IC IRQ Pending reg. */ #define ICMR 0x04 /* IC Mask Reg. */ #define ICLR 0x08 /* IC Level Reg. */ @@ -86,9 +84,6 @@ static struct irq_domain_ops sa1100_normal_irqdomain_ops = { static struct irq_domain *sa1100_normal_irqdomain; -static struct resource irq_resource = - DEFINE_RES_MEM_NAMED(0x90050000, SZ_64K, "irqs"); - static struct sa1100irq_state { unsigned int saved; unsigned int icmr; @@ -156,11 +151,9 @@ sa1100_handle_irq(struct pt_regs *regs) } while (1); } -void __init sa1100_init_irq(void) +void __init sa11x0_init_irq_nodt(int irq_start, resource_size_t io_start) { - request_resource(&iomem_resource, &irq_resource); - - iobase = ioremap(irq_resource.start, SZ_64K); + iobase = ioremap(io_start, SZ_64K); if (WARN_ON(!iobase)) return; @@ -177,10 +170,8 @@ void __init sa1100_init_irq(void) writel_relaxed(1, iobase + ICCR); sa1100_normal_irqdomain = irq_domain_add_simple(NULL, - 32, IRQ_GPIO0_SC, + 32, irq_start, &sa1100_normal_irqdomain_ops, NULL); set_handle_irq(sa1100_handle_irq); - - sa1100_init_gpio(); } |