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author | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
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committer | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
commit | c71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch) | |
tree | ecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /Documentation/usb/callbacks.txt | |
parent | ea53c912f8a86a8567697115b6a0d8152beee5c8 (diff) | |
parent | 6a00f206debf8a5c8899055726ad127dbeeed098 (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.txt | 8 |
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 | ||
96 | int (*pre_reset)(struct usb_interface *intf); | 96 | int (*pre_reset)(struct usb_interface *intf); |
97 | 97 | ||
98 | Another driver or user space is triggering a reset on the device which | 98 | A driver or user space is triggering a reset on the device which |
99 | contains the interface passed as an argument. Cease IO and save any | 99 | contains the interface passed as an argument. Cease IO, wait for all |
100 | device state you need to restore. | 100 | outstanding URBs to complete, and save any device state you need to |
101 | restore. No more URBs may be submitted until the post_reset method | ||
102 | is called. | ||
101 | 103 | ||
102 | If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if you | 104 | If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if you |
103 | are in atomic context. | 105 | are in atomic context. |