aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/usb/callbacks.txt
diff options
context:
space:
mode:
authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /Documentation/usb/callbacks.txt
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'Documentation/usb/callbacks.txt')
-rw-r--r--Documentation/usb/callbacks.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/usb/callbacks.txt b/Documentation/usb/callbacks.txt
index bfb36b34b79e..9e85846bdb98 100644
--- a/Documentation/usb/callbacks.txt
+++ b/Documentation/usb/callbacks.txt
@@ -95,9 +95,11 @@ pre_reset
95 95
96int (*pre_reset)(struct usb_interface *intf); 96int (*pre_reset)(struct usb_interface *intf);
97 97
98Another driver or user space is triggering a reset on the device which 98A driver or user space is triggering a reset on the device which
99contains the interface passed as an argument. Cease IO and save any 99contains the interface passed as an argument. Cease IO, wait for all
100device state you need to restore. 100outstanding URBs to complete, and save any device state you need to
101restore. No more URBs may be submitted until the post_reset method
102is called.
101 103
102If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if you 104If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if you
103are in atomic context. 105are in atomic context.