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caif-hsi: Making read and writes asynchronous.
authorDaniel Martensson <daniel.martensson@stericsson.com>
Thu, 13 Oct 2011 11:29:25 +0000 (11:29 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 19 Oct 2011 07:25:41 +0000 (03:25 -0400)
Some platforms do not allow to put HSI block into low-power
mode when FIFO is not empty. The patch flushes (by reading)
FIFO at wake down sequence. Asynchronous read and write is
implemented for that. As a side effect this will also greatly
improve performance.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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