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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-01-23 08:10:44 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-01-23 08:10:44 -0800
commit55df811f2066fcaec2548248f0a1a6a0c12dc6b8 (patch)
tree0850f490489e5b941692f3fe36dff5d2c1c35c3c /include/linux/usb.h
parent8e2f2325b73f3e5e46ecffd291556f33b8e3f8c9 (diff)
parent497ab1f290a26fa9414c5c316515f1e2ddba0803 (diff)
Merge branch 'next' into for-linus
First round of input updates for 3.14.
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 7454865ad148..512ab162832c 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1264,6 +1264,8 @@ typedef void (*usb_complete_t)(struct urb *);
* @sg: scatter gather buffer list, the buffer size of each element in
* the list (except the last) must be divisible by the endpoint's
* max packet size if no_sg_constraint isn't set in 'struct usb_bus'
+ * (FIXME: scatter-gather under xHCI is broken for periodic transfers.
+ * Do not use urb->sg for interrupt endpoints for now, only bulk.)
* @num_mapped_sgs: (internal) number of mapped sg entries
* @num_sgs: number of entries in the sg list
* @transfer_buffer_length: How big is transfer_buffer. The transfer may