[RFC] usb: ehci: use linux-way ehci_readl and ehci_writel

[Antony Pavlov]

Also drop nowhere defined CONFIG_EHCI_DESC_BIG_ENDIAN.

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 drivers/usb/host/ehci.h | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 5d899cc..2ec69f6 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -18,6 +18,8 @@
 #ifndef USB_EHCI_H
 #define USB_EHCI_H
 
+#include <io.h>
+
 #if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	16
 #endif
@@ -109,14 +111,15 @@ struct usb_linux_config_descriptor {
 	unsigned char	MaxPower;
 } __attribute__ ((packed));
 
-#if defined CONFIG_EHCI_DESC_BIG_ENDIAN
-#define	ehci_readl(x)		(*((volatile u32 *)(x)))
-#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = ((volatile u32)b))
-#else
-#define ehci_readl(x)		cpu_to_le32((*((volatile u32 *)(x))))
-#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = \
-					cpu_to_le32(((volatile u32)b)))
-#endif
+static inline void ehci_writel(const unsigned int val, __u32 __iomem *regs)
+{
+	writel(val, regs);
+}
+
+static inline unsigned int ehci_readl(__u32 __iomem *regs)
+{
+	return readl(regs);
+}
 
 #if defined CONFIG_EHCI_MMIO_BIG_ENDIAN
 #define hc32_to_cpu(x)		be32_to_cpu((x))
-- 
2.0.1