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[v4,04/10] serial: sh-sci: Stop calling sci_start_rx() from sci_request_dma()

Message ID 1442574513-20648-5-git-send-email-geert+renesas@glider.be (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Geert Uytterhoeven Sept. 18, 2015, 11:08 a.m. UTC 
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>
---
v4:
  - New.
---
 drivers/tty/serial/sh-sci.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 02aaf4d213d9c280..ac9ce8f1ff799a48 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;
 		}