resource: Rename find_resource() to find_resource_space()

Rename find_resource() to find_resource_space() to better describe what the
function does. This is a preparation for exposing it beyond resource.c,
which is needed by PCI core. Also rename the __ variant to match the names.

Link: https://lore.kernel.org/r/20240507102523.57320-3-ilpo.jarvinen@linux.intel.com
Tested-by: Lidong Wang <lidong.wang@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>

diff --git a/kernel/resource.c b/kernel/resource.c
index fcbca39dbc4508ca9b349ef7213332029b87f9ea..e163e0a8f2f8d39ecf0ff856e12ba97514d9980d 100644 (file)
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -628,13 +628,12 @@ static void resource_clip(struct resource *res, resource_size_t min,
 }
 
 /*
- * Find empty slot in the resource tree with the given range and
+ * Find empty space in the resource tree with the given range and
  * alignment constraints
  */
-static int __find_resource(struct resource *root, struct resource *old,
-                        struct resource *new,
-                        resource_size_t  size,
-                        struct resource_constraint *constraint)
+static int __find_resource_space(struct resource *root, struct resource *old,
+                                struct resource *new, resource_size_t size,
+                                struct resource_constraint *constraint)
 {
        struct resource *this = root->child;
        struct resource tmp = *new, avail, alloc;
@@ -688,13 +687,13 @@ next:             if (!this || this->end == root->end)
 }
 
 /*
- * Find empty slot in the resource tree given range and alignment.
+ * Find empty space in the resource tree given range and alignment.
  */
-static int find_resource(struct resource *root, struct resource *new,
-                       resource_size_t size,
-                       struct resource_constraint  *constraint)
+static int find_resource_space(struct resource *root, struct resource *new,
+                              resource_size_t size,
+                              struct resource_constraint *constraint)
 {
-       return  __find_resource(root, NULL, new, size, constraint);
+       return  __find_resource_space(root, NULL, new, size, constraint);
 }
 
 /**
@@ -717,7 +716,7 @@ static int reallocate_resource(struct resource *root, struct resource *old,
 
        write_lock(&resource_lock);
 
-       if ((err = __find_resource(root, old, &new, newsize, constraint)))
+       if ((err = __find_resource_space(root, old, &new, newsize, constraint)))
                goto out;
 
        if (resource_contains(&new, old)) {
@@ -786,7 +785,7 @@ int allocate_resource(struct resource *root, struct resource *new,
        }
 
        write_lock(&resource_lock);
-       err = find_resource(root, new, size, &constraint);
+       err = find_resource_space(root, new, size, &constraint);
        if (err >= 0 && __request_resource(root, new))
                err = -EBUSY;
        write_unlock(&resource_lock);