x86_64: set cfg_size for AMD Family 10h in case MMCONFIG
reuse pci_cfg_space_size but skip check pci express and pci-x CAP ID.
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index f991359..a8efdae 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -842,11 +842,14 @@
* reading the dword at 0x100 which must either be 0 or a valid extended
* capability header.
*/
-int pci_cfg_space_size(struct pci_dev *dev)
+int pci_cfg_space_size_ext(struct pci_dev *dev, unsigned check_exp_pcix)
{
int pos;
u32 status;
+ if (!check_exp_pcix)
+ goto skip;
+
pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
if (!pos) {
pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
@@ -858,6 +861,7 @@
goto fail;
}
+ skip:
if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL)
goto fail;
if (status == 0xffffffff)
@@ -869,6 +873,11 @@
return PCI_CFG_SPACE_SIZE;
}
+int pci_cfg_space_size(struct pci_dev *dev)
+{
+ return pci_cfg_space_size_ext(dev, 1);
+}
+
static void pci_release_bus_bridge_dev(struct device *dev)
{
kfree(dev);