cardbus: Add a fixup hook and fix powerpc

Commit Message

Benjamin Herrenschmidt Dec. 9, 2009, 6:52 a.m. UTC

None

Patch

Index: linux-work/drivers/pcmcia/cardbus.c
===================================================================
--- linux-work.orig/drivers/pcmcia/cardbus.c	2009-12-09 17:16:10.000000000 +1100
+++ linux-work/drivers/pcmcia/cardbus.c	2009-12-09 17:34:58.000000000 +1100
@@ -214,7 +214,7 @@  int __ref cb_alloc(struct pcmcia_socket 
 	unsigned int max, pass;
 
 	s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
-//	pcibios_fixup_bus(bus);
+	pci_fixup_cardbus(bus);
 
 	max = bus->secondary;
 	for (pass = 0; pass < 2; pass++)
Index: linux-work/include/linux/pci.h
===================================================================
--- linux-work.orig/include/linux/pci.h	2009-12-09 17:16:10.000000000 +1100
+++ linux-work/include/linux/pci.h	2009-12-09 17:34:47.000000000 +1100
@@ -564,6 +564,9 @@  void pcibios_align_resource(void *, stru
 				resource_size_t);
 void pcibios_update_irq(struct pci_dev *, int irq);
 
+/* Weak but can be overriden by arch */
+void pci_fixup_cardbus(struct pci_bus *);
+
 /* Generic PCI functions used internally */
 
 extern struct pci_bus *pci_find_bus(int domain, int busnr);
Index: linux-work/arch/powerpc/kernel/pci-common.c
===================================================================
--- linux-work.orig/arch/powerpc/kernel/pci-common.c	2009-12-09 17:16:10.000000000 +1100
+++ linux-work/arch/powerpc/kernel/pci-common.c	2009-12-09 17:35:19.000000000 +1100
@@ -1107,6 +1107,12 @@  void __devinit pcibios_setup_bus_devices
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		struct dev_archdata *sd = &dev->dev.archdata;
 
+		/* Cardbus can call us to add new devices to a bus, so ignore
+		 * those who are already fully discovered
+		 */
+		if (dev->is_added)
+			continue;
+
 		/* Setup OF node pointer in archdata */
 		sd->of_node = pci_device_to_OF_node(dev);
 
@@ -1147,6 +1153,13 @@  void __devinit pcibios_fixup_bus(struct 
 }
 EXPORT_SYMBOL(pcibios_fixup_bus);
 
+void __devinit pci_fixup_cardbus(struct pci_bus *bus)
+{
+	/* Now fixup devices on that bus */
+	pcibios_setup_bus_devices(bus);
+}
+
+
 static int skip_isa_ioresource_align(struct pci_dev *dev)
 {
 	if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) &&
Index: linux-work/drivers/pci/pci.c
===================================================================
--- linux-work.orig/drivers/pci/pci.c	2009-12-09 17:33:24.000000000 +1100
+++ linux-work/drivers/pci/pci.c	2009-12-09 17:34:16.000000000 +1100
@@ -2723,6 +2723,11 @@  int __attribute__ ((weak)) pci_ext_cfg_a
 	return 1;
 }
 
+void __weak pci_fixup_cardbus(struct pci_bus *bus)
+{
+}
+EXPORT_SYMBOL(pci_fixup_cardbus);
+
 static int __init pci_setup(char *str)
 {
 	while (str) {