sh: add init member to pci_channel data
This patch adds an init callback to struct pci_channel and makes sure
it is initialized properly. Code is added to call this init function
from pcibios_init(). Return values are adjusted and a warning is is
printed if init fails.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 0d6ac7a..29ec16e 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -28,18 +28,31 @@
struct pci_bus *bus;
int busno;
+ /* init channels */
+ busno = 0;
+ for (p = board_pci_channels; p->init; p++) {
+ if (p->init(p) == 0)
+ p->enabled = 1;
+ else
+ pr_err("Unable to init pci channel %d\n", busno);
+ busno++;
+ }
+
#ifdef CONFIG_PCI_AUTO
/* assign resources */
busno = 0;
- for (p = board_pci_channels; p->pci_ops != NULL; p++)
- busno = pciauto_assign_resources(busno, p) + 1;
+ for (p = board_pci_channels; p->init; p++)
+ if (p->enabled)
+ busno = pciauto_assign_resources(busno, p) + 1;
#endif
/* scan the buses */
busno = 0;
- for (p = board_pci_channels; p->pci_ops != NULL; p++) {
- bus = pci_scan_bus(busno, p->pci_ops, p);
- busno = bus->subordinate + 1;
+ for (p = board_pci_channels; p->init; p++) {
+ if (p->enabled) {
+ bus = pci_scan_bus(busno, p->pci_ops, p);
+ busno = bus->subordinate + 1;
+ }
}
pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq);