cris build fixes: irq fixes
- New file include/asm-cris/irq_regs.h.
- Change handling of registers for do_IRQ.
- Add GENERIC_HARDIRQS to Kconfig.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 21900a9..f653772 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -57,6 +57,10 @@
source "fs/Kconfig.binfmt"
+config GENERIC_HARDIRQS
+ bool
+ default y
+
config ETRAX_CMDLINE
string "Kernel command line"
default "root=/dev/mtdblock3"
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 5c27ff8..2dfac8c 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -2,7 +2,7 @@
*
* linux/arch/cris/kernel/irq.c
*
- * Copyright (c) 2000,2001 Axis Communications AB
+ * Copyright (c) 2000,2007 Axis Communications AB
*
* Authors: Bjorn Wesen (bjornw@axis.com)
*
@@ -92,14 +92,16 @@
asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
{
unsigned long sp;
+ struct pt_regs *old_regs = set_irq_regs(regs);
irq_enter();
sp = rdsp();
if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
printk("do_IRQ: stack overflow: %lX\n", sp);
show_stack(NULL, (unsigned long *)sp);
}
- __do_IRQ(irq, regs);
+ __do_IRQ(irq);
irq_exit();
+ set_irq_regs(old_regs);
}
void weird_irq(void)