[PATCH] powerpc/scom: Create debugfs files using ibm,chip-id if available
DORMANTno replies
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2013-08-29 06:57:04
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
When creating the debugfs scom files, use "ibm,chip-id" as the scom%d index rather than a simple made up number when possible. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- arch/powerpc/sysdev/scom.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/scom.c b/arch/powerpc/sysdev/scom.c
index 413622d..cb20d54 100644
--- a/arch/powerpc/sysdev/scom.c
+++ b/arch/powerpc/sysdev/scom.c@@ -196,8 +196,13 @@ static int scom_debug_init(void) return -1; i = rc = 0; - for_each_node_with_property(dn, "scom-controller") - rc |= scom_debug_init_one(root, dn, i++); + for_each_node_with_property(dn, "scom-controller") { + int id = of_get_ibm_chip_id(dn); + if (id == -1) + id = i; + rc |= scom_debug_init_one(root, dn, id); + i++; + } return rc; }