[v8,1/6] PCI: add a define for the PCI resource type mask v2

Submitted by Christian König on July 10, 2017, 2:59 p.m.

Details

Message ID 1499698794-1718-2-git-send-email-deathsimple@vodafone.de
State New
Headers show
Series "Series without cover letter" ( rev: 1 ) in AMD X.Org drivers

Not browsing as part of any series.

Commit Message

Christian König July 10, 2017, 2:59 p.m.
From: Christian König <christian.koenig@amd.com>

We use this mask multiple times in the bus setup.

v2: fix some style nit picks

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
---
 drivers/pci/pci.h       |  3 +++
 drivers/pci/setup-bus.c | 12 +++---------
 2 files changed, 6 insertions(+), 9 deletions(-)

Patch hide | download patch | download mbox

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 03e3d02..136a0f9 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -4,6 +4,9 @@ 
 #define PCI_FIND_CAP_TTL	48
 
 #define PCI_VSEC_ID_INTEL_TBT	0x1234	/* Thunderbolt */
+#define PCI_RES_TYPE_MASK \
+	(IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH |\
+	 IORESOURCE_MEM_64)
 
 extern const unsigned char pcie_link_speed[];
 
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 958da7d..37450d9 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1523,8 +1523,6 @@  static void pci_bridge_release_resources(struct pci_bus *bus,
 {
 	struct pci_dev *dev = bus->self;
 	struct resource *r;
-	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-				  IORESOURCE_PREFETCH | IORESOURCE_MEM_64;
 	unsigned old_flags = 0;
 	struct resource *b_res;
 	int idx = 1;
@@ -1567,7 +1565,7 @@  static void pci_bridge_release_resources(struct pci_bus *bus,
 	 */
 	release_child_resources(r);
 	if (!release_resource(r)) {
-		type = old_flags = r->flags & type_mask;
+		type = old_flags = r->flags & PCI_RES_TYPE_MASK;
 		dev_printk(KERN_DEBUG, &dev->dev, "resource %d %pR released\n",
 					PCI_BRIDGE_RESOURCES + idx, r);
 		/* keep the old size */
@@ -1758,8 +1756,6 @@  void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
 	enum release_type rel_type = leaf_only;
 	LIST_HEAD(fail_head);
 	struct pci_dev_resource *fail_res;
-	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-				  IORESOURCE_PREFETCH | IORESOURCE_MEM_64;
 	int pci_try_num = 1;
 	enum enable_type enable_local;
 
@@ -1818,7 +1814,7 @@  void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
 	 */
 	list_for_each_entry(fail_res, &fail_head, list)
 		pci_bus_release_bridge_resources(fail_res->dev->bus,
-						 fail_res->flags & type_mask,
+						 fail_res->flags & PCI_RES_TYPE_MASK,
 						 rel_type);
 
 	/* restore size and flags */
@@ -1862,8 +1858,6 @@  void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge)
 	LIST_HEAD(fail_head);
 	struct pci_dev_resource *fail_res;
 	int retval;
-	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-				  IORESOURCE_PREFETCH | IORESOURCE_MEM_64;
 
 again:
 	__pci_bus_size_bridges(parent, &add_list);
@@ -1889,7 +1883,7 @@  void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge)
 	 */
 	list_for_each_entry(fail_res, &fail_head, list)
 		pci_bus_release_bridge_resources(fail_res->dev->bus,
-						 fail_res->flags & type_mask,
+						 fail_res->flags & PCI_RES_TYPE_MASK,
 						 whole_subtree);
 
 	/* restore size and flags */

Comments

If you post this again, you can drop the "v2", "v5", etc at the end of
the subject lines.  I don't think it's useful to merge those.

On Mon, Jul 10, 2017 at 04:59:49PM +0200, Christian König wrote:
> From: Christian König <christian.koenig@amd.com>
> 
> We use this mask multiple times in the bus setup.
> 
> v2: fix some style nit picks

And you can put these "v2: ..." notes after the "---" because I don't
think they're useful after merging either.

> Signed-off-by: Christian König <christian.koenig@amd.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> ---
>  drivers/pci/pci.h       |  3 +++
>  drivers/pci/setup-bus.c | 12 +++---------
>  2 files changed, 6 insertions(+), 9 deletions(-)