diff options
Diffstat (limited to 'arch/riscv/kernel/cacheinfo.c')
| -rw-r--r-- | arch/riscv/kernel/cacheinfo.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c index cb35ffd8ec6b..638dee3f7e88 100644 --- a/arch/riscv/kernel/cacheinfo.c +++ b/arch/riscv/kernel/cacheinfo.c @@ -28,6 +28,7 @@ static int __init_cache_level(unsigned int cpu) { struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); struct device_node *np = of_cpu_device_node_get(cpu); + struct device_node *prev = NULL; int levels = 0, leaves = 0, level; if (of_property_read_bool(np, "cache-size")) @@ -39,7 +40,10 @@ static int __init_cache_level(unsigned int cpu) if (leaves > 0) levels = 1; + prev = np; while ((np = of_find_next_cache_node(np))) { + of_node_put(prev); + prev = np; if (!of_device_is_compatible(np, "cache")) break; if (of_property_read_u32(np, "cache-level", &level)) @@ -55,8 +59,10 @@ static int __init_cache_level(unsigned int cpu) levels = level; } + of_node_put(np); this_cpu_ci->num_levels = levels; this_cpu_ci->num_leaves = leaves; + return 0; } @@ -65,6 +71,7 @@ static 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; int levels = 1, level = 1; if (of_property_read_bool(np, "cache-size")) @@ -74,7 +81,10 @@ static int __populate_cache_leaves(unsigned int cpu) if (of_property_read_bool(np, "d-cache-size")) ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); + prev = np; while ((np = of_find_next_cache_node(np))) { + of_node_put(prev); + prev = np; if (!of_device_is_compatible(np, "cache")) break; if (of_property_read_u32(np, "cache-level", &level)) @@ -89,6 +99,7 @@ static int __populate_cache_leaves(unsigned int cpu) ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); levels = level; } + of_node_put(np); return 0; } |