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-rw-r--r--arch/powerpc/kernel/setup-common.c13
-rw-r--r--drivers/input/serio/i8042-io.h5
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 5e4d852f640..8b6ada66060 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -94,6 +94,10 @@ struct screen_info screen_info = {
.orig_video_points = 16
};
+/* Variables required to store legacy IO irq routing */
+int of_i8042_kbd_irq;
+int of_i8042_aux_irq;
+
#ifdef __DO_IRQ_CANON
/* XXX should go elsewhere eventually */
int ppc_do_canonicalize_irqs;
@@ -575,6 +579,15 @@ int check_legacy_ioport(unsigned long base_port)
np = of_find_compatible_node(NULL, NULL, "pnpPNP,f03");
if (np) {
parent = of_get_parent(np);
+
+ of_i8042_kbd_irq = irq_of_parse_and_map(parent, 0);
+ if (!of_i8042_kbd_irq)
+ of_i8042_kbd_irq = 1;
+
+ of_i8042_aux_irq = irq_of_parse_and_map(parent, 1);
+ if (!of_i8042_aux_irq)
+ of_i8042_aux_irq = 12;
+
of_node_put(np);
np = parent;
break;
diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h
index 847f4aad7ed..5d48bb66aa7 100644
--- a/drivers/input/serio/i8042-io.h
+++ b/drivers/input/serio/i8042-io.h
@@ -27,6 +27,11 @@
#include <asm/irq.h>
#elif defined(CONFIG_SH_CAYMAN)
#include <asm/irq.h>
+#elif defined(CONFIG_PPC)
+extern int of_i8042_kbd_irq;
+extern int of_i8042_aux_irq;
+# define I8042_KBD_IRQ of_i8042_kbd_irq
+# define I8042_AUX_IRQ of_i8042_aux_irq
#else
# define I8042_KBD_IRQ 1
# define I8042_AUX_IRQ 12