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authorAlexander Usyskin <alexander.usyskin@intel.com>2019-04-22 09:51:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-25 20:33:34 +0300
commit43b8a7ed4739a86c1e8543489bf5524780f66284 (patch)
treeb957696646ce67eed8211b5bb1d0398125100ece /drivers/misc/mei/mei_dev.h
parentd65bf04200da3891b1c2e6779323287b25c223f7 (diff)
downloadlinux-43b8a7ed4739a86c1e8543489bf5524780f66284.tar.xz
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.h3
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);