tree 89e91460bd888e5c1454a0386767999813b4e35c
parent cce6daf3ed37d0101af164f5733efd4892282fc8
author Eric Holmberg <eholmber@codeaurora.org> 1330108136 -0700
committer Eric Holmberg <eholmber@codeaurora.org> 1330735782 -0700

msm: smd: Remove spurious DATA notification

Add a check to make sure that the SMD_EVENT_DATA
notification is only sent if the FIFO head or
tail has been actually updated.

This extra notification is harmless, but adds
interrupt overhead due to the extra unnecessary
processing.

Change-Id: If01b9f1ab7c5df24d4c1ec6e0f2e63cce8a08bb5
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>