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| author |   Alexander Usyskin <alexander.usyskin@intel.com> | 2019-04-22 09:51:07 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 19:33:34 +0200 |
| commit | 43b8a7ed4739a86c1e8543489bf5524780f66284 (patch) | |
| tree | b957696646ce67eed8211b5bb1d0398125100ece /drivers/misc/mei/mei_dev.h | |
| parent | mei: hdcp: use own Kconfig file (diff) | |
| download | linux-dev-43b8a7ed4739a86c1e8543489bf5524780f66284.tar.xz linux-dev-43b8a7ed4739a86c1e8543489bf5524780f66284.zip | |
mei: expose device state in sysfs
Expose mei device state to user-space through sysfs.
This gives indication to applications that driver is in transition,
usefully mostly to detect link reset state.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 3146df37ffb0..fca832fcac57 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -525,7 +525,6 @@ struct mei_device { struct dentry *dbgfs_dir; #endif /* CONFIG_DEBUG_FS */ - const struct mei_hw_ops *ops; char hw[0] __aligned(sizeof(void *)); }; @@ -584,6 +583,8 @@ int mei_restart(struct mei_device *dev); void mei_stop(struct mei_device *dev); void mei_cancel_work(struct mei_device *dev); +void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state); + int mei_dmam_ring_alloc(struct mei_device *dev); void mei_dmam_ring_free(struct mei_device *dev); bool mei_dma_ring_is_allocated(struct mei_device *dev); |