USB: Fix EHCI warning

This patch fixes a warning introduced by the big endian MMIO EHCI
support patch on platforms that don't have readl_be/writel_be variants
(though mostly harmless as those are called in an if (0) statement,
but gcc still warns).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 5f28b74bb8d3..3ce7249085d5 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -671,17 +671,25 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
 static inline unsigned int ehci_readl (const struct ehci_hcd *ehci,
                                        __u32 __iomem * regs)
 {
+#ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
         return ehci_big_endian_mmio(ehci) ?
                 readl_be((__force u32 *)regs) :
                 readl((__force u32 *)regs);
+#else
+        return readl((__force u32 *)regs);
+#endif
 }
 
 static inline void ehci_writel (const struct ehci_hcd *ehci,
                                 const unsigned int val, __u32 __iomem *regs)
 {
+#ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
         ehci_big_endian_mmio(ehci) ?
                 writel_be(val, (__force u32 *)regs) :
                 writel(val, (__force u32 *)regs);
+#else
+        writel(val, (__force u32 *)regs);
+#endif
 }
 
 /*-------------------------------------------------------------------------*/