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(parent: c64be92) | patch
serial: pl011: Don't enable RX DMA if residue processing not supported
authorAndrew Jackson <[email protected]>
Fri, 7 Nov 2014 14:14:47 +0000 (14:14 +0000)
committerGreg Kroah-Hartman <[email protected]>
Fri, 7 Nov 2014 16:35:56 +0000 (08:35 -0800)
commit2d3b7d6e7dc8785f9a6c0e4d38188dd1a0859d11
tree17f4ea42ff0182799f516227714a32cb1fb0ca5ctree | snapshot
parentc64be9231e089350fa55c7e03adc79e341ab8e89commit | diff
serial: pl011: Don't enable RX DMA if residue processing not supported

If the DMA engine doesn't support residue processing then the RX DMA
handling won't work terribly well if polling is enabled.  So, disable
RX DMA if residue handling isn't available.

Signed-off-by: Andrew Jackson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
drivers/tty/serial/amba-pl011.c diff | blob | history
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