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serial: sh-sci: Stop calling sci_start_rx() from sci_request_dma()

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There's no need to call sci_start_rx() from sci_request_dma() when DMA
setup fails, as sci_startup() will call sci_start_rx() anyway.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2015-09-18 13:08:27 +02:00 committed by Greg Kroah-Hartman
parent 756981be74
commit 0e5c4b4d15
1 changed files with 0 additions and 1 deletions
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drivers/tty/serial/sh-sci.c
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@ -1386,7 +1386,6 @@ static void sci_request_dma(struct uart_port *port)
"Failed to allocate Rx dma buffer, using PIO\n"); "Failed to allocate Rx dma buffer, using PIO\n");
dma_release_channel(chan); dma_release_channel(chan);
s->chan_rx = NULL; s->chan_rx = NULL;
sci_start_rx(port);
return; return;
} }