powerpc/xics: Move irq_host matching into the ics backend
An upcoming new ics backend will need to implement different matching
semantics to the current ones, which are essentially the RTAS ics
backends. So move the current match into the RTAS backend, and allow
other ics backends to override.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index e70175d..c58844d 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -331,11 +331,13 @@
static int xics_host_match(struct irq_host *h, struct device_node *node)
{
- /* IBM machines have interrupt parents of various funky types for things
- * like vdevices, events, etc... The trick we use here is to match
- * everything here except the legacy 8259 which is compatible "chrp,iic"
- */
- return !of_device_is_compatible(node, "chrp,iic");
+ struct ics *ics;
+
+ list_for_each_entry(ics, &ics_list, link)
+ if (ics->host_match(ics, node))
+ return 1;
+
+ return 0;
}
/* Dummies */