linux-kernel - [PATCH 6/16] CRIS architecture: Correct compile errors

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Message-ID: <20071030093101.GI11960@axis.com>
Date:	Tue, 30 Oct 2007 10:31:01 +0100
From:	Jesper Nilsson <jesper.nilsson@...s.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Mikael Starvik <mikael.starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/16] CRIS architecture: Correct compile errors

- 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@...s.com>

---
 arch/cris/Kconfig                            |    4 ++++
 linux-2.6.23-mod/include/asm-cris/irq_regs.h |    1 +
 linux-2.6.23/arch/cris/kernel/irq.c          |    6 ++++--
 3 files changed, 9 insertions(+), 2 deletions(-)

--- /dev/null	2007-10-06 06:38:38.348072750 +0200
+++ linux-2.6.23-mod/include/asm-cris/irq_regs.h	2007-10-22 11:13:32.000000000 +0200
@@ -0,0 +1 @@
+#include <asm-generic/irq_regs.h>
diff -urBb -X /h/jespern/.exclude_files clean_linux-2.6.23/arch/cris/kernel/irq.c linux-2.6.23/arch/cris/kernel/irq.c
--- clean_linux-2.6.23/arch/cris/kernel/irq.c	2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/arch/cris/kernel/irq.c	2007-10-22 11:07:34.000000000 +0200
@@ -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@...s.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)
--- clean_linux-2.6.23/./arch/cris/Kconfig	2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/arch/cris/Kconfig	2007-10-26 11:05:17.000000000 +0200
@@ -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"

/^JN - Jesper Nilsson
--
               Jesper Nilsson -- jesper.nilsson@...s.com
-
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