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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:56:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:56:51 +0100 |
| commit | 8c9076b07c99c2a37a96b9f5265e4def47823c86 (patch) | |
| tree | 368e59df54d7b7ea02d8a626ac85e751883f6836 /drivers/base/cacheinfo.c | |
| parent | component: add debugfs support (diff) | |
| parent | Linux 4.15-rc6 (diff) | |
| download | linux-dev-8c9076b07c99c2a37a96b9f5265e4def47823c86.tar.xz linux-dev-8c9076b07c99c2a37a96b9f5265e4def47823c86.zip | |
Merge 4.15-rc6 into driver-core-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/cacheinfo.c')
| -rw-r--r-- | drivers/base/cacheinfo.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 6e1000bff481..edf726267282 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -175,6 +175,11 @@ static void cache_associativity(struct cacheinfo *this_leaf) this_leaf->ways_of_associativity = (size / nr_sets) / line_size; } +static bool cache_node_is_unified(struct cacheinfo *this_leaf) +{ + return of_property_read_bool(this_leaf->of_node, "cache-unified"); +} + static void cache_of_override_properties(unsigned int cpu) { int index; @@ -183,6 +188,14 @@ static void cache_of_override_properties(unsigned int cpu) for (index = 0; index < cache_leaves(cpu); index++) { this_leaf = this_cpu_ci->info_list + index; + /* + * init_cache_level must setup the cache level correctly + * overriding the architecturally specified levels, so + * if type is NONE at this stage, it should be unified + */ + if (this_leaf->type == CACHE_TYPE_NOCACHE && + cache_node_is_unified(this_leaf)) + this_leaf->type = CACHE_TYPE_UNIFIED; cache_size(this_leaf); cache_get_line_size(this_leaf); cache_nr_sets(this_leaf); |