PCI: replace struct pci_bus secondary/subordinate with busn_res

Replace the struct pci_bus secondary/subordinate members with the
struct resource busn_res.  Later we'll build a resource tree of these
bus numbers.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index d07f9ac8c41d..667678db1153 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1048,8 +1048,8 @@ static void yenta_config_init(struct yenta_socket *socket)
         config_writeb(socket, PCI_LATENCY_TIMER, 168);
         config_writel(socket, PCI_PRIMARY_BUS,
                 (176 << 24) |                      /* sec. latency timer */
-                (dev->subordinate->subordinate << 16) | /* subordinate bus */
-                (dev->subordinate->secondary << 8) |  /* secondary bus */
+                ((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */
+                ((unsigned int)dev->subordinate->busn_res.start << 8) |  /* secondary bus */
                 dev->subordinate->primary);                /* primary bus */
 
         /*
@@ -1086,14 +1086,14 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
         struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
 
         /* Check bus numbers are already set up correctly: */
-        if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
+        if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end)
                 return; /* The subordinate number is ok, nothing to do */
 
         if (!bridge_to_fix->parent)
                 return; /* Root bridges are ok */
 
         /* stay within the limits of the bus range of the parent: */
-        upper_limit = bridge_to_fix->parent->subordinate;
+        upper_limit = bridge_to_fix->parent->busn_res.end;
 
         /* check the bus ranges of all silbling bridges to prevent overlap */
         list_for_each(tmp, &bridge_to_fix->parent->children) {
@@ -1104,36 +1104,36 @@ static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
                  * current upper limit, set the new upper limit to
                  * the bus number below the silbling's range:
                  */
-                if (silbling->secondary > bridge_to_fix->subordinate
-                    && silbling->secondary <= upper_limit)
-                        upper_limit = silbling->secondary - 1;
+                if (silbling->busn_res.start > bridge_to_fix->busn_res.end
+                    && silbling->busn_res.start <= upper_limit)
+                        upper_limit = silbling->busn_res.start - 1;
         }
 
         /* Show that the wanted subordinate number is not possible: */
-        if (cardbus_bridge->subordinate > upper_limit)
+        if (cardbus_bridge->busn_res.end > upper_limit)
                 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
                            "Upper limit for fixing this "
                            "bridge's parent bridge: #%02x\n", upper_limit);
 
         /* If we have room to increase the bridge's subordinate number, */
-        if (bridge_to_fix->subordinate < upper_limit) {
+        if (bridge_to_fix->busn_res.end < upper_limit) {
 
                 /* use the highest number of the hidden bus, within limits */
                 unsigned char subordinate_to_assign =
-                        min(cardbus_bridge->subordinate, upper_limit);
+                        min_t(int, cardbus_bridge->busn_res.end, upper_limit);
 
                 dev_printk(KERN_INFO, &bridge_to_fix->dev,
                            "Raising subordinate bus# of parent "
                            "bus (#%02x) from #%02x to #%02x\n",
                            bridge_to_fix->number,
-                           bridge_to_fix->subordinate, subordinate_to_assign);
+                           (int)bridge_to_fix->busn_res.end, subordinate_to_assign);
 
                 /* Save the new subordinate in the bus struct of the bridge */
-                bridge_to_fix->subordinate = subordinate_to_assign;
+                bridge_to_fix->busn_res.end = subordinate_to_assign;
 
                 /* and update the PCI config space with the new subordinate */
                 pci_write_config_byte(bridge_to_fix->self,
-                        PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
+                        PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end);
         }
 }