tree 271661a6bbb3ac162c8e3f636230ac64137a7f58
parent e19174d25ff1f72c16bb1bf927b189ba8cef0f45
author Lina Iyer <ilina@codeaurora.org> 1499971070 -0600
committer Lina Iyer <ilina@codeaurora.org> 1500061937 -0600

drivers: mailbox: add controller debug

Sometimes a client may detect that a channel has clogged up and is not
responding to requests in time. In such case, the client may want to
initiate a debug on the controller that might help debug and analyze the
reasons for the clog.

Also, since we will be calling debug on the controller explictly convert
pr_debug to pr_warn and remove automatic calling when the TCS are busy.

Change-Id: Ib15db652e780790f0eaa4f6ada7ad9defed99a65
Signed-off-by: Lina Iyer <ilina@codeaurora.org>