[IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function
This patch fixes boot failure because irq_desc->mask() is NULL.
- Added mask/unmask functions to ia64's irq desc function table.
- rename hw_interrupt_type to irq_chip. hw_interrupt_type is old name.
- Tony: Added same change to arch/ia64/sn/kernel/irq.c as pointed out
by Eric Biederman ... mask/unmask functions there can be no-op.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index d6aab40..dcfbf3e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -446,7 +446,7 @@
#define iosapic_disable_level_irq mask_irq
#define iosapic_ack_level_irq nop
-struct hw_interrupt_type irq_type_iosapic_level = {
+struct irq_chip irq_type_iosapic_level = {
.name = "IO-SAPIC-level",
.startup = iosapic_startup_level_irq,
.shutdown = iosapic_shutdown_level_irq,
@@ -454,6 +454,8 @@
.disable = iosapic_disable_level_irq,
.ack = iosapic_ack_level_irq,
.end = iosapic_end_level_irq,
+ .mask = mask_irq,
+ .unmask = unmask_irq,
.set_affinity = iosapic_set_affinity
};
@@ -493,7 +495,7 @@
#define iosapic_disable_edge_irq nop
#define iosapic_end_edge_irq nop
-struct hw_interrupt_type irq_type_iosapic_edge = {
+struct irq_chip irq_type_iosapic_edge = {
.name = "IO-SAPIC-edge",
.startup = iosapic_startup_edge_irq,
.shutdown = iosapic_disable_edge_irq,
@@ -501,6 +503,8 @@
.disable = iosapic_disable_edge_irq,
.ack = iosapic_ack_edge_irq,
.end = iosapic_end_edge_irq,
+ .mask = mask_irq,
+ .unmask = unmask_irq,
.set_affinity = iosapic_set_affinity
};