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| author | Max Filippov <jcmvbkbc@gmail.com> | 2012-11-04 00:29:12 +0400 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2012-12-19 09:10:23 +0400 |
| commit | 2206d5dd9a785a74afc6981f2b13b7a4d4da6f31 (patch) | |
| tree | a2205c8d26f7b28d3f9cb9a66e18650cb7d48674 /arch/xtensa/kernel/time.c | |
| parent | 0322cabd39e27614772595abb395871e86ebff66 (diff) | |
| download | linux-2206d5dd9a785a74afc6981f2b13b7a4d4da6f31.tar.xz | |
xtensa: add IRQ domains support
IRQ domains provide a mechanism for conversion of linux IRQ numbers to
hardware IRQ numbers and vice versus. It is used by OpenFirmware for
linking device tree objects to their respective interrupt controllers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/kernel/time.c')
| -rw-r--r-- | arch/xtensa/kernel/time.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 19b32a0eaebc..ffb474104311 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -22,6 +22,7 @@ #include <linux/irq.h> #include <linux/profile.h> #include <linux/delay.h> +#include <linux/irqdomain.h> #include <asm/timex.h> #include <asm/platform.h> @@ -52,6 +53,7 @@ static struct irqaction timer_irqaction = { void __init time_init(void) { + unsigned int irq; #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT printk("Calibrating CPU frequency "); platform_calibrate_ccount(); @@ -62,7 +64,8 @@ void __init time_init(void) /* Initialize the linux timer interrupt. */ - setup_irq(LINUX_TIMER_INT, &timer_irqaction); + irq = irq_create_mapping(NULL, LINUX_TIMER_INT); + setup_irq(irq, &timer_irqaction); set_linux_timer(get_ccount() + CCOUNT_PER_JIFFY); } |