diff options
| author | Li Jun <jun.li@freescale.com> | 2015-06-29 18:05:26 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:59:18 -0600 |
| commit | 26ad2bb0bd90641015335f5bafe7f7e665b4ae5a (patch) | |
| tree | 0c5511d9623f432acb049127674bfaed7c9243a2 /include/linux/usb | |
| parent | b4112ddd136ab5774380bb327c173f2fb202b3c2 (diff) | |
MLK-11200 usb: otg: avoid DMA to kernel stack for HNP polling
HNP polling uses a kernel stack variable when sending the HNP polling
control message, which causes dma-debug to complain, fix it by adding
host_req_flag to otg_fsm struct, so it's done by kmallocing.
Signed-off-by: Li Jun <jun.li@freescale.com>
(cherry picked from commit 05b5f53b2c4d71761454b47852d5c5a48c5cc93a)
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/otg-fsm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h index eb304d5ab1e3..89cce2362415 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -140,6 +140,7 @@ struct otg_fsm { /* Current usb protocol used: 0:undefine; 1:host; 2:client */ int protocol; struct mutex lock; + u8 host_req_flag; }; struct otg_fsm_ops { |