Alex Elder 2e353685bf greybus: embed workqueue structure in struct gbuf ... A Greybus buffer containing outbound data is submitted to to the underlying driver to be sent over a CPort. Sending that data could be deferred, so the submit operation completes asynchronously. When the send is done, a callback occurs, and the buffer is "completed", and the buffer's completion routine is called. The buffer is then freed. If data arrives on the CPort, greybus_cport_in_data() is called to allocate a Greybus buffer and copy the received data into it. Once that's done the buffer is completed, again allowing the buffer's completion routine to finish any final tasks before freeing the buffer. We use a workqueue to schedule calling the buffer's completion function. This patch does two things related to the work queue: - Renames the work queue "gbuf_workqueue" so its name more directly describes its purpose - Moves the work_struct needed for scheduling completions into the struct greybuf. Previously a separate type was used, and dynamically allocated *at interrupt time* to hold this work_struct. We can now do away with that. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>		2014-09-23 20:58:00 -07:00
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staging/greybus	greybus: embed workqueue structure in struct gbuf	2014-09-23 20:58:00 -07:00