From: Haren Myneni Date: Tue, 27 Dec 2005 23:51:07 +0000 (-0800) Subject: [PATCH] powerpc: Fix search for the main interrupt controller X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9da5cad61c13fbdc7fc7aa425f03a15da9d0cb43;p=deliverable%2Flinux.git [PATCH] powerpc: Fix search for the main interrupt controller At present, we are not looking at all interrupt controller nodes in the device tree even though the proper node was not found. This is causing the system panic. The attached patch will scan all nodes until it finds the proper interrupt controller type. Signed-off-by: Haren Myneni Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 2cb082871210..38b631ceaec9 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -324,15 +324,18 @@ static void __init pSeries_discover_pic(void) ppc64_interrupt_controller = IC_INVALID; for (np = NULL; (np = of_find_node_by_name(np, "interrupt-controller"));) { typep = (char *)get_property(np, "compatible", NULL); - if (strstr(typep, "open-pic")) + if (strstr(typep, "open-pic")) { ppc64_interrupt_controller = IC_OPEN_PIC; - else if (strstr(typep, "ppc-xicp")) + break; + } else if (strstr(typep, "ppc-xicp")) { ppc64_interrupt_controller = IC_PPC_XIC; - else - printk("pSeries_discover_pic: failed to recognize" - " interrupt-controller\n"); - break; + break; + } } + if (ppc64_interrupt_controller == IC_INVALID) + printk("pSeries_discover_pic: failed to recognize" + " interrupt-controller\n"); + } static void pSeries_mach_cpu_die(void)