diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-08-18 14:51:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 15:44:43 +0200 |
| commit | d1376f3d89d5177dae7cae40f3f9fdf73e9bfec9 (patch) | |
| tree | 045c2bcecb3c06c27ac7793af635da0de5ce5d2a /drivers/misc/mei/client.h | |
| parent | 74a9c967aaf6cd1314ef371678f889ad9fcedb2c (diff) | |
| download | linux-d1376f3d89d5177dae7cae40f3f9fdf73e9bfec9.tar.bz2 | |
mei: add a spin lock to protect rd_completed queue
In order to support vtags we need to access read completed
queue out of driver big lock.
Add a spin lock to protect rd_completed queue.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-7-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/client.h')
| -rw-r--r-- | drivers/misc/mei/client.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h index 0d0f36373a4b..bd57c64f6c1a 100644 --- a/drivers/misc/mei/client.h +++ b/drivers/misc/mei/client.h @@ -133,8 +133,11 @@ int mei_cl_unlink(struct mei_cl *cl); struct mei_cl *mei_cl_alloc_linked(struct mei_device *dev); -struct mei_cl_cb *mei_cl_read_cb(const struct mei_cl *cl, - const struct file *fp); +struct mei_cl_cb *mei_cl_read_cb(struct mei_cl *cl, const struct file *fp); + +void mei_cl_add_rd_completed(struct mei_cl *cl, struct mei_cl_cb *cb); +void mei_cl_del_rd_completed(struct mei_cl *cl, struct mei_cl_cb *cb); + struct mei_cl_cb *mei_cl_alloc_cb(struct mei_cl *cl, size_t length, enum mei_cb_file_ops type, const struct file *fp); |