diff options
| author | Li Jun <jun.li@freescale.com> | 2015-06-29 18:05:26 +0800 |
|---|---|---|
| committer | Li Jun <jun.li@freescale.com> | 2015-07-22 10:22:07 +0800 |
| commit | 207c62380be1879288ab018af888bb2b5e346d3f (patch) | |
| tree | e0668d741d6275cbe8aba1a5b2d728146e4a532e /include | |
| parent | f0c63b894a60512318481cb8a7b0777cdb7c46ab (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')
| -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 ef3b770ce777..74e4d6345ec1 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -143,6 +143,7 @@ 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 { |