- Add support for LibUSB in 32-bit compatibility mode.

Approved by:    thompsa (mentor)

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/libusb/libusb20_int.h b/lib/libusb/libusb20_int.h
index b0e0e2dd7f65..64885f28877e 100644
--- a/lib/libusb/libusb20_int.h
+++ b/lib/libusb/libusb20_int.h
@@ -31,6 +31,12 @@
 #ifndef _LIBUSB20_INT_H_
 #define	_LIBUSB20_INT_H_
 
+#ifdef COMPAT_32BIT
+#define	libusb20_pass_ptr(ptr)	((uint64_t)(uintptr_t)(ptr))
+#else
+#define	libusb20_pass_ptr(ptr)	(ptr)
+#endif
+
 struct libusb20_device;
 struct libusb20_backend;
 struct libusb20_transfer;
@@ -146,7 +152,11 @@ struct libusb20_transfer {
 	/*
 	 * Pointer to a list of buffer pointers:
 	 */
+#ifdef COMPAT_32BIT
+	uint64_t *ppBuffer;
+#else
 	void  **ppBuffer;
+#endif
 	/*
 	 * Pointer to frame lengths, which are updated to actual length
 	 * after the USB transfer completes: