[POWERPC] ps3: add interrupt alloc for outlets
PS3 interrupt core update:
- Add ps3_alloc_irq() and ps3_free_irq(), to allocate a virtual interrupt
number for an interrupt outlet, which is needed by the PS3 GPU frame
buffer device and audio drivers
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 27afd1f..3735cd1 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -85,7 +85,7 @@
static DEFINE_PER_CPU(struct ps3_private, ps3_private);
-static int ps3_connect_irq(enum ps3_cpu_binding cpu, unsigned long outlet,
+int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet,
unsigned int *virq)
{
int result;
@@ -138,8 +138,9 @@
fail_create:
return result;
}
+EXPORT_SYMBOL_GPL(ps3_alloc_irq);
-static void ps3_disconnect_irq(unsigned int virq)
+int ps3_free_irq(unsigned int virq)
{
int result;
const struct ps3_private *pd = get_irq_chip_data(virq);
@@ -155,7 +156,9 @@
set_irq_chip_data(virq, NULL);
irq_dispose_mapping(virq);
+ return result;
}
+EXPORT_SYMBOL_GPL(ps3_free_irq);
/**
* ps3_alloc_io_irq - Assign a virq to a system bus device.
@@ -182,7 +185,7 @@
return result;
}
- result = ps3_connect_irq(cpu, outlet, virq);
+ result = ps3_alloc_irq(cpu, outlet, virq);
BUG_ON(result);
return result;
@@ -198,7 +201,7 @@
pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n",
__func__, __LINE__, ps3_result(result));
- ps3_disconnect_irq(virq);
+ ps3_free_irq(virq);
return result;
}
@@ -228,7 +231,7 @@
return result;
}
- result = ps3_connect_irq(cpu, outlet, virq);
+ result = ps3_alloc_irq(cpu, outlet, virq);
BUG_ON(result);
return result;
@@ -246,7 +249,7 @@
pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n",
__func__, __LINE__, ps3_result(result));
- ps3_disconnect_irq(virq);
+ ps3_free_irq(virq);
pr_debug(" <- %s:%d\n", __func__, __LINE__);
return result;
@@ -350,7 +353,7 @@
return result;
}
- result = ps3_connect_irq(cpu, outlet, virq);
+ result = ps3_alloc_irq(cpu, outlet, virq);
BUG_ON(result);
return result;
@@ -368,7 +371,7 @@
return result;
}
- ps3_disconnect_irq(virq);
+ ps3_free_irq(virq);
return result;
}
@@ -399,7 +402,7 @@
return result;
}
- result = ps3_connect_irq(cpu, outlet, virq);
+ result = ps3_alloc_irq(cpu, outlet, virq);
BUG_ON(result);
return result;
@@ -407,10 +410,11 @@
int ps3_free_spe_irq(unsigned int virq)
{
- ps3_disconnect_irq(virq);
+ ps3_free_irq(virq);
return 0;
}
+
#define PS3_INVALID_OUTLET ((irq_hw_number_t)-1)
#define PS3_PLUG_MAX 63
diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h
index 021f802..00a4c7d 100644
--- a/include/asm-powerpc/ps3.h
+++ b/include/asm-powerpc/ps3.h
@@ -163,6 +163,9 @@
int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id,
unsigned int class, unsigned int *virq);
int ps3_free_spe_irq(unsigned int virq);
+int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet,
+ unsigned int *virq);
+int ps3_free_irq(unsigned int virq);
/* lv1 result codes */