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Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/8250/8250_dw.c7
1 files changed, 1 insertions, 6 deletions
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)