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msm: dma: Refactored driver to avoid queuing of cmds in workq.
Highlights of the changes are: 1. A workqueue is used to configure ADM only when the clocks need to be prepared & enabled. A function call is used to configure ADM in cases where the ADM driver is invoked for data transfer when the clock is already prepared & enabled. 2. Replaced threaded irqs with hard irqs. Change-Id: Ifaa5efdde8150f932a12d4f9eeccfb36ecb8f88f Acked-by:John Nicholas <jnichola@qti.qualcomm.com> Signed-off-by:
Venkatesh Yadav Abbarapu <quicvenkat@codeaurora.org>
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