The CONFIG_8xx_WDT option got broken in the generic hardirq update as
ppc32 had its own different request_irq that worked when other arches
used setup_irq. This is the trivial fix for the problem.
From: Carsten Juttner <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
diff -Nru a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
--- a/arch/ppc/syslib/m8xx_wdt.c 2005-02-11 07:08:20 +01:00
+++ b/arch/ppc/syslib/m8xx_wdt.c 2005-02-11 07:08:20 +01:00
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/8xx_immap.h>
@@ -18,6 +19,12 @@
static int wdt_timeout;
+static irqreturn_t m8xx_wdt_interrupt(int, void *, struct pt_regs *);
+static struct irqaction m8xx_wdt_irqaction = {
+ .handler = m8xx_wdt_interrupt,
+ .name = "watchdog",
+};
+
void m8xx_wdt_reset(void)
{
volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
@@ -84,8 +93,8 @@
imap->im_sit.sit_piscr =
(mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE;
- if (request_irq(PIT_INTERRUPT, m8xx_wdt_interrupt, 0, "watchdog", NULL))
- panic("m8xx_wdt: could not allocate watchdog irq!");
+ if (setup_irq(PIT_INTERRUPT, &m8xx_wdt_irqaction))
+ panic("m8xx_wdt: error setting up the watchdog irq!");
printk(KERN_NOTICE
"m8xx_wdt: keep-alive trigger installed (PITC: 0x%04X)\n", pitc);
--
Tom Rini
http://gate.crashing.org/~trini/
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