diff options
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 8 |
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 |