[PATCH v2 18/49] PCI: Move comment to pci_need_to_release()

Yinghai Lu
2015-07-14T22:51:24Z

Move comment from caller to callee, as we will have one new caller
for alt_size support later.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
drivers/pci/setup-bus.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 2e3d00b..f8b9a24 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;
--
1.8.4.5