[POWERPC] Use the genirq framework
This adapts the generic powerpc interrupt handling code, and all of
the platforms except for the embedded 6xx machines, to use the new
genirq framework.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 1f1771b..a5dffc8 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -315,6 +315,21 @@
jiffies + event_scan_interval);
}
+void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc,
+ struct pt_regs *regs)
+{
+ unsigned int max = 100;
+
+ while(max--) {
+ int irq = i8259_irq(regs);
+ if (max == 99)
+ desc->chip->eoi(irq);
+ if (irq < 0)
+ break;
+ generic_handle_irq(irq, regs);
+ };
+}
+
/*
* Finds the open-pic node and sets up the mpic driver.
*/
@@ -402,7 +417,7 @@
}
mpic_init(chrp_mpic);
- mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL);
+ set_irq_chained_handler(NUM_ISA_INTERRUPTS, chrp_8259_cascade);
}
#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)