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| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2015-09-18 13:08:27 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-04 17:36:10 +0100 |
| commit | 0e5c4b4d154ee0a34e39e1a587f71d4671783abf (patch) | |
| tree | 94d6e2eddd5c5cff5adabc991eb74b208a720774 /drivers/tty/serial/sh-sci.c | |
| parent | serial: sh-sci: Submit RX DMA from RX interrupt on (H)SCIF (diff) | |
| download | linux-dev-0e5c4b4d154ee0a34e39e1a587f71d4671783abf.tar.xz linux-dev-0e5c4b4d154ee0a34e39e1a587f71d4671783abf.zip | |
serial: sh-sci: Stop calling sci_start_rx() from sci_request_dma()
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>
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 02aaf4d213d9..ac9ce8f1ff79 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1386,7 +1386,6 @@ static void sci_request_dma(struct uart_port *port) "Failed to allocate Rx dma buffer, using PIO\n"); dma_release_channel(chan); s->chan_rx = NULL; - sci_start_rx(port); return; } |