On 2015?02?03? 20:15, Catalin Marinas wrote:

On Mon, Feb 02, 2015 at 12:45:34PM +0000, Hanjun Guo wrote:

quoted

diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index ce5836c..c17e7ea 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c

@@ -10,6 +10,7 @@
   *
   */

+#include <linux/acpi.h>
  #include <linux/init.h>
  #include <linux/io.h>
  #include <linux/kernel.h>

@@ -68,3 +69,27 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
  	bus->domain_nr = domain;
  }
  #endif
+
+/*
+ * raw_pci_read/write - Platform-specific PCI config space access.
+ */
+int raw_pci_read(unsigned int domain, unsigned int bus,
+		  unsigned int devfn, int reg, int len, u32 *val)
+{
+	return -EINVAL;
+}
+
+int raw_pci_write(unsigned int domain, unsigned int bus,
+		unsigned int devfn, int reg, int len, u32 val)
+{
+	return -EINVAL;
+}

You said you'll make these return -ENOSYS, which I think makes more
sense.

I'm sorry, I missed that, my bad, I will fix that in next version.

Thanks
Hanjun