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commit e2b31644e999e8bfe3efce880fb32840299abf41 upstream.
Bus layer omitted check for client state transition while waiting
for read completion
The client state transition may occur for example as result
of firmware initiated reset
Add mei_cl_is_transitioning wrapper to reduce the code
repetition.:
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While writting to device is limitted to max_msg_length advertized
in client properites the read can be much longer delivered consequiting chunks.
We use krealloc to enlarge the buffer when needed.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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consolidate write code to a specific me client in mei_cl_write function
the function is called from mei device write handler and from
mei_cl bus send function
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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during reset we clean up client data structures
we move that code into wrappers in client
and call the wrappers
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In order we can use the same code pattern for in-kernel
and user space host clients we replace mei_cl_link_to_me
with mei_cl_link function.
We then have to keep me client lookupout of the new link function.
The unlinking cannot be yet symetric due to amthif connection
handling
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use common prefix for function names:
mei_cl_ - for host clients
mei_me_ - for me clients
mei_io_ - for io callback functions
Because mei_cl holds mei_device back pointer
we can also drop the dev argument from the client
functions
add client.h header to export the clients API
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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