diff mbox series

[v3,2/2] pcmcia: Use resources definitions when freeing CardBus resources

Message ID 20200520183411.1534621-3-kw@linux.com (mailing list archive)
State Mainlined, archived
Delegated to: Bjorn Helgaas
Headers show
Series PCI: Reference bridge window resources explicitly | expand

Commit Message

Krzysztof Wilczyński May 20, 2020, 6:34 p.m. UTC 
Remove the loop used to free CardBus resources and replace it with
a yenta_free_res() helper used to release bridge resources explicitly.

Signed-off-by: Krzysztof Wilczynski <kw@linux.com>
---
 drivers/pcmcia/yenta_socket.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 76036ccf2106..3f34b49a6f33 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -745,6 +745,18 @@  static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
 	return 0;
 }
 
+static void yenta_free_res(struct yenta_socket *socket, int nr)
+{
+	struct pci_dev *dev = socket->dev;
+	struct resource *res;
+
+	res = &dev->resource[nr];
+	if (res->start != 0 && res->end != 0)
+		release_resource(res);
+
+	res->start = res->end = res->flags = 0;
+}
+
 /*
  * Allocate the bridge mappings for the device..
  */
@@ -773,14 +785,10 @@  static void yenta_allocate_resources(struct yenta_socket *socket)
  */
 static void yenta_free_resources(struct yenta_socket *socket)
 {
-	int i;
-	for (i = 0; i < 4; i++) {
-		struct resource *res;
-		res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
-		if (res->start != 0 && res->end != 0)
-			release_resource(res);
-		res->start = res->end = res->flags = 0;
-	}
+	yenta_free_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW);
 }