diff options
Diffstat (limited to 'arch/powerpc/platforms/celleb/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/celleb/pci.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/celleb/pci.c b/arch/powerpc/platforms/celleb/pci.c index 6bc32fda7a6b..51b390d34e4d 100644 --- a/arch/powerpc/platforms/celleb/pci.c +++ b/arch/powerpc/platforms/celleb/pci.c @@ -31,6 +31,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/pci_regs.h> +#include <linux/of.h> #include <linux/of_device.h> #include <asm/io.h> @@ -138,8 +139,6 @@ static void celleb_config_read_fake(unsigned char *config, int where, *val = celleb_fake_config_readl(p); break; } - - return; } static void celleb_config_write_fake(unsigned char *config, int where, @@ -158,7 +157,6 @@ static void celleb_config_write_fake(unsigned char *config, int where, celleb_fake_config_writel(val, p); break; } - return; } static int celleb_fake_pci_read_config(struct pci_bus *bus, @@ -351,6 +349,10 @@ static int __init celleb_setup_fake_pci_device(struct device_node *node, wi1 = of_get_property(node, "vendor-id", NULL); wi2 = of_get_property(node, "class-code", NULL); wi3 = of_get_property(node, "revision-id", NULL); + if (!wi0 || !wi1 || !wi2 || !wi3) { + printk(KERN_ERR "PCI: Missing device tree properties.\n"); + goto error; + } celleb_config_write_fake(*config, PCI_DEVICE_ID, 2, wi0[0] & 0xffff); celleb_config_write_fake(*config, PCI_VENDOR_ID, 2, wi1[0] & 0xffff); @@ -372,6 +374,10 @@ static int __init celleb_setup_fake_pci_device(struct device_node *node, celleb_setup_pci_base_addrs(hose, devno, fn, num_base_addr); li = of_get_property(node, "interrupts", &rlen); + if (!li) { + printk(KERN_ERR "PCI: interrupts not found.\n"); + goto error; + } val = li[0]; celleb_config_write_fake(*config, PCI_INTERRUPT_PIN, 1, 1); celleb_config_write_fake(*config, PCI_INTERRUPT_LINE, 1, val); @@ -475,7 +481,7 @@ static struct of_device_id celleb_phb_match[] __initdata = { int __init celleb_setup_phb(struct pci_controller *phb) { - struct device_node *dev = phb->arch_data; + struct device_node *dev = phb->dn; const struct of_device_id *match; int (*setup_func)(struct device_node *, struct pci_controller *); |