From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Mon, 21 Sep 2015 11:17:31 +0000 (+0300)
Subject: serial: 8250_dw: cleanup dw8250_idma_filter
X-Git-Tag: firefly_0821_release~176^2~803^2~71
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=83ce95ef5efba06e5201c31064d11069bfdb87a0;p=firefly-linux-kernel-4.4.55.git

serial: 8250_dw: cleanup dw8250_idma_filter

Remove the extra return.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index f4c5bd6fade1..db67dd001b0d 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -294,12 +294,7 @@ static void dw8250_setup_port(struct uart_8250_port *up)
 
 static bool dw8250_idma_filter(struct dma_chan *chan, void *param)
 {
-	struct device *dev = param;
-
-	if (dev != chan->device->dev->parent)
-		return false;
-
-	return true;
+	return param == chan->device->dev->parent;
 }
 
 static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)