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Diffstat (limited to 'arch/riscv/kernel/cacheinfo.c')
-rw-r--r--arch/riscv/kernel/cacheinfo.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c
index d6c108c50cba..2d40736fc37c 100644
--- a/arch/riscv/kernel/cacheinfo.c
+++ b/arch/riscv/kernel/cacheinfo.c
@@ -71,12 +71,16 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
this_leaf->type = type;
}
+int init_cache_level(unsigned int cpu)
+{
+ return init_of_cache_level(cpu);
+}
+
int populate_cache_leaves(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct cacheinfo *this_leaf = this_cpu_ci->info_list;
- struct device_node *np = of_cpu_device_node_get(cpu);
- struct device_node *prev = NULL;
+ struct device_node *np, *prev;
int levels = 1, level = 1;
if (!acpi_disabled) {
@@ -100,6 +104,10 @@ int populate_cache_leaves(unsigned int cpu)
return 0;
}
+ np = of_cpu_device_node_get(cpu);
+ if (!np)
+ return -ENOENT;
+
if (of_property_read_bool(np, "cache-size"))
ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level);
if (of_property_read_bool(np, "i-cache-size"))