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Diffstat (limited to 'include/usb.h')
-rw-r--r--include/usb.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/usb.h b/include/usb.h
index edb6120..0008a9a 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -169,7 +169,7 @@ struct usb_device {
* this is how the lowlevel part communicate with the outer world
*/
-#ifdef CONFIG_USB_UHCI
+#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI)
int usb_lowlevel_init(void);
int usb_lowlevel_stop(void);
int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,int transfer_len);
@@ -228,6 +228,11 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size);
int usb_set_interface(struct usb_device *dev, int interface, int alternate);
/* big endian -> little endian conversion */
+/* some CPUs are already little endian e.g. the ARM920T */
+#ifdef LITTLEENDIAN
+#define swap_16(x) ((unsigned short)(x))
+#define swap_32(x) ((unsigned long)(x))
+#else
#define swap_16(x) \
((unsigned short)( \
(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
@@ -238,6 +243,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
(((unsigned long)(x) & (unsigned long)0x0000ff00UL) << 8) | \
(((unsigned long)(x) & (unsigned long)0x00ff0000UL) >> 8) | \
(((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) ))
+#endif /* LITTLEENDIAN */
/*
* Calling this entity a "pipe" is glorifying it. A USB pipe