sh: pci: Use I/O accessors consistently in SH7786 PCIe init code.

Some of the existing code is flipping between __raw_xxx() and
pci_{read,write}_reg(). As the latter are just wrappers for the former,
flip over to using them consistently.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/drivers/pci/pcie-sh7786.h b/arch/sh/drivers/pci/pcie-sh7786.h
index 1ee054e..a2a0ca6 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.h
+++ b/arch/sh/drivers/pci/pcie-sh7786.h
@@ -568,6 +568,13 @@
 
 #define PCI_REG(x)		((x) + 0x40000)
 
+#define U64_TO_U32_LOW(val)	((u32)((val) & 0x00000000ffffffffULL))
+#define U64_TO_U32_HIGH(val)	((u32)((val) >> 32))
+#define RES_TO_U32_LOW(val)     \
+	((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_LOW(val) : (val))
+#define RES_TO_U32_HIGH(val)    \
+	((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_HIGH(val) : (0))
+
 static inline void
 pci_write_reg(struct pci_channel *chan, unsigned long val, unsigned long reg)
 {