--- zzzz-none-000/linux-3.10.107/drivers/usb/musb/musb_io.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/musb/musb_io.h	2021-02-04 17:41:59.000000000 +0000
@@ -37,86 +37,34 @@
 
 #include <linux/io.h>
 
-#ifndef CONFIG_BLACKFIN
+#define musb_ep_select(_mbase, _epnum)	musb->io.ep_select((_mbase), (_epnum))
 
-/* NOTE:  these offsets are all in bytes */
-
-static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
-	{ return __raw_readw(addr + offset); }
-
-static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
-	{ return __raw_readl(addr + offset); }
-
-
-static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
-	{ __raw_writew(data, addr + offset); }
-
-static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
-	{ __raw_writel(data, addr + offset); }
-
-
-#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
-
-/*
- * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
+/**
+ * struct musb_io - IO functions for MUSB
+ * @quirks:	platform specific flags
+ * @ep_offset:	platform specific function to get end point offset
+ * @ep_select:	platform specific function to select end point
+ * @fifo_offset: platform specific function to get fifo offset
+ * @read_fifo:	platform specific function to read fifo
+ * @write_fifo:	platform specific function to write fifo
+ * @busctl_offset: platform specific function to get busctl offset
  */
-static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
-{
-	u16 tmp;
-	u8 val;
-
-	tmp = __raw_readw(addr + (offset & ~1));
-	if (offset & 1)
-		val = (tmp >> 8);
-	else
-		val = tmp & 0xff;
-
-	return val;
-}
-
-static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
-{
-	u16 tmp;
-
-	tmp = __raw_readw(addr + (offset & ~1));
-	if (offset & 1)
-		tmp = (data << 8) | (tmp & 0xff);
-	else
-		tmp = (tmp & 0xff00) | data;
-
-	__raw_writew(tmp, addr + (offset & ~1));
-}
-
-#else
-
-static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
-	{ return __raw_readb(addr + offset); }
-
-static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
-	{ __raw_writeb(data, addr + offset); }
-
-#endif	/* CONFIG_USB_MUSB_TUSB6010 */
-
-#else
-
-static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
-	{ return (u8) (bfin_read16(addr + offset)); }
-
-static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
-	{ return bfin_read16(addr + offset); }
-
-static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
-	{ return (u32) (bfin_read16(addr + offset)); }
-
-static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
-	{ bfin_write16(addr + offset, (u16) data); }
-
-static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
-	{ bfin_write16(addr + offset, data); }
-
-static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
-	{ bfin_write16(addr + offset, (u16) data); }
-
-#endif /* CONFIG_BLACKFIN */
+struct musb_io {
+	u32	quirks;
+	u32	(*ep_offset)(u8 epnum, u16 offset);
+	void	(*ep_select)(void __iomem *mbase, u8 epnum);
+	u32	(*fifo_offset)(u8 epnum);
+	void	(*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf);
+	void	(*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf);
+	u32	(*busctl_offset)(u8 epnum, u16 offset);
+};
+
+/* Do not add new entries here, add them the struct musb_io instead */
+extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset);
+extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data);
+extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset);
+extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data);
+extern u32 (*musb_readl)(const void __iomem *addr, unsigned offset);
+extern void (*musb_writel)(void __iomem *addr, unsigned offset, u32 data);
 
 #endif