summaryrefslogtreecommitdiff
path: root/include/linux/usb.h
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 16:11:28 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 16:11:28 -0800
commit138a6d7ea2deb3080116a4f99019e181b62e5ce5 (patch)
tree424622059405352935fbf1dde015a1e130b56198 /include/linux/usb.h
parent4fc6069e7df873bda9baabe0fa9f0be23363159a (diff)
parent319e2e3f63c348a9b66db4667efa73178e18b17d (diff)
Merge 3.13-rc4 into char-misc-next
We want these fixes in here.
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