[RFC 1/6] powerpc:/drc Define interface to acquire arch-specific drc info
From: Michael Bringmann <hidden>
Date: 2018-12-14 20:50:37
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Define interface to acquire arch-specific drc info to match against hotpluggable devices. The current implementation exposes several pseries-specific dynamic memory properties in generic kernel code. This patch set provides an interface to pull that code out of the generic kernel. Signed-off-by: Michael Bringmann <redacted> --- include/linux/topology.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/topology.h b/include/linux/topology.h
index cb0775e..df97f5f 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h@@ -44,6 +44,15 @@ int arch_update_cpu_topology(void); +int arch_find_drc_match(struct device_node *dn, + bool (*usercb)(struct device_node *dn, + u32 drc_index, char *drc_name, + char *drc_type, u32 drc_power_domain, + void *data), + char *opt_drc_type, char *opt_drc_name, + bool match_drc_index, bool ck_php_type, + void *data); + /* Conform to ACPI 2.0 SLIT distance definitions */ #define LOCAL_DISTANCE 10 #define REMOTE_DISTANCE 20