interrupt: alloc child irq_desc on runtime heap

Changes allocation of child irq_desc from system heap
to runtime heap, so it can be freed on interrupt unregister.
It also requires changing the number of runtime heap blocks.
1024 size blocks can be disabled for now, as they aren't used.

Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>

Author: tlauda

src/lib/interrupt.c

@@ -56,7 +56,7 @@ static int irq_register_child(struct irq_desc *parent, int irq,
 	spin_lock(&parent->lock);
 
 	/* init child */
-	child = rzalloc(RZONE_SYS, SOF_MEM_CAPS_RAM,
+	child = rzalloc(RZONE_RUNTIME, SOF_MEM_CAPS_RAM,
 			sizeof(struct irq_desc));
 	if (!child) {
 		ret = -ENOMEM;

src/platform/apollolake/include/platform/memory.h

@@ -138,8 +138,8 @@
 #define HEAP_RT_COUNT64			64
 #define HEAP_RT_COUNT128		32
 #define HEAP_RT_COUNT256		64
-#define HEAP_RT_COUNT512		8
-#define HEAP_RT_COUNT1024		4
+#define HEAP_RT_COUNT512		32
+#define HEAP_RT_COUNT1024		0
 
 #define L2_VECTOR_SIZE			0x1000
 

src/platform/cannonlake/include/platform/memory.h

@@ -174,9 +174,9 @@
 #define HEAP_RT_COUNT32			128
 #define HEAP_RT_COUNT64			64
 #define HEAP_RT_COUNT128		32
-#define HEAP_RT_COUNT256		16
-#define HEAP_RT_COUNT512		8
-#define HEAP_RT_COUNT1024		4
+#define HEAP_RT_COUNT256		64
+#define HEAP_RT_COUNT512		32
+#define HEAP_RT_COUNT1024		0
 
 #define L2_VECTOR_SIZE		0x1000