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serial: sh-sci: Don't call sci_dma_rx_push() if no data has arrived
authorGeert Uytterhoeven <geert+renesas@glider.be>
Fri, 21 Aug 2015 18:02:57 +0000 (20:02 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Oct 2015 16:33:48 +0000 (17:33 +0100)
commit99dc8e400e93773fb45c57cc969c7be443d98141
tree601794804a0b4865fc9e416b89ed502646489f18tree | snapshot (tar.gz zip)
parent8eadb56d6830f169fd225a59e0e27dd97fc762c1commit | diff
serial: sh-sci: Don't call sci_dma_rx_push() if no data has arrived

On receive DMA time-out, avoid calling sci_dma_rx_push() if no data was
transferred by the timed out DMA request.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sh-sci.c diff | blob | blame | history