[v9,39/60] PCI: Move comment to pci_need_to_release()

Commit Message

Yinghai Lu Dec. 11, 2015, 5:06 a.m. UTC

Move comment from caller to pci_need_to_release(), as we will have one new
caller for alt_size support.

Signed-off-by: Yinghai Lu <[e-mail]>
---
 drivers/pci/setup-bus.c | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

Patch

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 9485b03..a8e3eaa 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -415,6 +415,20 @@  static unsigned long pci_fail_res_type_mask(struct list_head *fail_head)
 
 static bool pci_need_to_release(unsigned long mask, struct resource *res)
 {
+	/*
+	 * Separate three resource type checking if we need to release
+	 * assigned resource.
+	 *	1. if there is io port assign fail, will release assigned
+	 *	   io port.
+	 *	2. if there is pref mmio assign fail, release assigned
+	 *	   pref mmio.
+	 *	   if assigned pref mmio's parent is non-pref mmio and there
+	 *	   is non-pref mmio assign fail, will release that assigned
+	 *	   pref mmio.
+	 *	3. if there is non-pref mmio assign fail or pref mmio
+	 *	   assigned fail, will release assigned non-pref mmio.
+	 */
+
 	if (res->flags & IORESOURCE_IO)
 		return !!(mask & IORESOURCE_IO);
 
@@ -471,19 +485,8 @@  static void __assign_resources_sorted(struct list_head *head,
 	 *  if could do that, could get out early.
 	 *  if could not do that, we still try to assign requested at first,
 	 *    then try to reassign add_size for some resources.
-	 *
-	 * Separate three resource type checking if we need to release
-	 * assigned resource after requested + add_size try.
-	 *	1. if there is io port assign fail, will release assigned
-	 *	   io port.
-	 *	2. if there is pref mmio assign fail, release assigned
-	 *	   pref mmio.
-	 *	   if assigned pref mmio's parent is non-pref mmio and there
-	 *	   is non-pref mmio assign fail, will release that assigned
-	 *	   pref mmio.
-	 *	3. if there is non-pref mmio assign fail or pref mmio
-	 *	   assigned fail, will release assigned non-pref mmio.
 	 */
+
 	LIST_HEAD(save_head);
 	LIST_HEAD(local_fail_head);
 	struct pci_dev_resource *save_res;