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authorIngo Molnar <mingo@elte.hu>2008-12-18 11:48:30 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-18 11:48:30 +0100
commitb9974dc6bddd41fbdc2583f196a34fbcebd8b089 (patch)
tree1a53efb9732453020b9157d17b2850df436235d9 /include/linux
parentd733e00d7c10cc68333fbb88108bb15bb044f61b (diff)
parent55dac3a5553b13891f0ae4bbd11920619b5436d4 (diff)
Merge branch 'linus' into cpus4096
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/usb/ch9.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 73a2f4eb1f7a..9b42baed3900 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -158,8 +158,12 @@ struct usb_ctrlrequest {
* (rarely) accepted by SET_DESCRIPTOR.
*
* Note that all multi-byte values here are encoded in little endian
- * byte order "on the wire". But when exposed through Linux-USB APIs,
- * they've been converted to cpu byte order.
+ * byte order "on the wire". Within the kernel and when exposed
+ * through the Linux-USB APIs, they are not converted to cpu byte
+ * order; it is the responsibility of the client code to do this.
+ * The single exception is when device and configuration descriptors (but
+ * not other descriptors) are read from usbfs (i.e. /proc/bus/usb/BBB/DDD);
+ * in this case the fields are converted to host endianness by the kernel.
*/
/*