serial: imx: unmap scatter gather list in imx_flush_buffer

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First, reformat the code to exit immediately. This allows us to add
more code in more readable format.

In case the TX DMA was still running, remove and disable it's resources.

Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dirk Behme 2014-12-09 18:11:27 +09:00 • committed by Greg Kroah-Hartman

parent 2464982174

commit 82e86ae941

1 changed files with 10 additions and 3 deletions

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drivers/tty/serial/imx.c

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