[MIPS] SB1250: Fix bugs/warnings by creative use of volatile.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c
index 80f5e8c..75c1246 100644
--- a/arch/mips/pci/pci-sb1250.c
+++ b/arch/mips/pci/pci-sb1250.c
@@ -228,7 +228,7 @@
/*
* See if the PCI bus has been configured by the firmware.
*/
- reg = *((volatile uint64_t *) IOADDR(A_SCD_SYSTEM_CFG));
+ reg = __raw_readq(IOADDR(A_SCD_SYSTEM_CFG));
if (!(reg & M_SYS_PCI_HOST)) {
sb1250_bus_status |= PCI_DEVICE_MODE;
} else {