serial: imx-serial - update RX error counters when DMA is used

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Update error counters when DMA is used for receiving data. Do
this by using DMA transaction error event instead error interrupts
to reduce interrupt load.

Tested-by: Peter Senna Tschudin <peter.senna@collabora.com>
Acked-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Nandor Han 2016-08-08 15:38:28 +03:00 • committed by Greg Kroah-Hartman

parent 9d297239b8

commit 41d98b5da9

1 changed files with 32 additions and 0 deletions

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drivers/tty/serial/imx.c

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