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drivers: base: cacheinfo: move cache_setup_of_node()

Browse source 
In preparation for the next patch, and to aid in
review of that patch, lets move cache_setup_of_node
further down in the module without any changes.

Tested-by: Ard Biesheuvel <[email protected]>
Tested-by: Vijaya Kumar K <[email protected]>
Tested-by: Xiongfeng Wang <[email protected]>
Tested-by: Tomasz Nowicki <[email protected]>
Reviewed-by: Sudeep Holla <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Jeremy Linton <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
This commit is contained in:
Jeremy Linton 2018-05-11 18:57:56 -05:00 • committed by Catalin Marinas
commit d529a18a61
1 changed files with 40 additions and 40 deletions
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80
drivers/base/cacheinfo.c
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@ -32,46 +32,6 @@ struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu)
}
#ifdef CONFIG_OF
static int cache_setup_of_node(unsigned int cpu)
{
struct device_node *np;
struct cacheinfo *this_leaf;
struct device *cpu_dev = get_cpu_device(cpu);
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
unsigned int index = 0;
/* skip if of_node is already populated */
if (this_cpu_ci->info_list->of_node)
return 0;
if (!cpu_dev) {
pr_err("No cpu device for CPU %d\n", cpu);
return -ENODEV;
}
np = cpu_dev->of_node;
if (!np) {
pr_err("Failed to find cpu%d device node\n", cpu);
return -ENOENT;
}
while (index < cache_leaves(cpu)) {
this_leaf = this_cpu_ci->info_list + index;
if (this_leaf->level != 1)
np = of_find_next_cache_node(np);
else
np = of_node_get(np);/* cpu node itself */
if (!np)
break;
this_leaf->of_node = np;
index++;
}
if (index != cache_leaves(cpu)) /* not all OF nodes populated */
return -ENOENT;
return 0;
}
static inline bool cache_leaves_are_shared(struct cacheinfo *this_leaf,
struct cacheinfo *sib_leaf)
{
@ -202,6 +162,46 @@ static void cache_of_override_properties(unsigned int cpu)
cache_associativity(this_leaf);
}
}
static int cache_setup_of_node(unsigned int cpu)
{
struct device_node *np;
struct cacheinfo *this_leaf;
struct device *cpu_dev = get_cpu_device(cpu);
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
unsigned int index = 0;
/* skip if of_node is already populated */
if (this_cpu_ci->info_list->of_node)
return 0;
if (!cpu_dev) {
pr_err("No cpu device for CPU %d\n", cpu);
return -ENODEV;
}
np = cpu_dev->of_node;
if (!np) {
pr_err("Failed to find cpu%d device node\n", cpu);
return -ENOENT;
}
while (index < cache_leaves(cpu)) {
this_leaf = this_cpu_ci->info_list + index;
if (this_leaf->level != 1)
np = of_find_next_cache_node(np);
else
np = of_node_get(np);/* cpu node itself */
if (!np)
break;
this_leaf->of_node = np;
index++;
}
if (index != cache_leaves(cpu)) /* not all OF nodes populated */
return -ENOENT;
return 0;
}
#else
static void cache_of_override_properties(unsigned int cpu) { }
static inline int cache_setup_of_node(unsigned int cpu) { return 0; }