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path: root/drivers/tty/serial/atmel_serial.c
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Diffstat (limited to 'drivers/tty/serial/atmel_serial.c')
-rw-r--r--drivers/tty/serial/atmel_serial.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 0cf05ac18993..f44f9d20a974 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1727,26 +1727,16 @@ static void atmel_init_property(struct atmel_uart_port *atmel_port,
/* DMA/PDC usage specification */
if (of_property_read_bool(np, "atmel,use-dma-rx")) {
- if (of_property_read_bool(np, "dmas")) {
- atmel_port->use_dma_rx = true;
- atmel_port->use_pdc_rx = false;
- } else {
- atmel_port->use_dma_rx = false;
- atmel_port->use_pdc_rx = true;
- }
+ atmel_port->use_dma_rx = of_property_present(np, "dmas");
+ atmel_port->use_pdc_rx = !atmel_port->use_dma_rx;
} else {
atmel_port->use_dma_rx = false;
atmel_port->use_pdc_rx = false;
}
if (of_property_read_bool(np, "atmel,use-dma-tx")) {
- if (of_property_read_bool(np, "dmas")) {
- atmel_port->use_dma_tx = true;
- atmel_port->use_pdc_tx = false;
- } else {
- atmel_port->use_dma_tx = false;
- atmel_port->use_pdc_tx = true;
- }
+ atmel_port->use_dma_tx = of_property_present(np, "dmas");
+ atmel_port->use_pdc_tx = !atmel_port->use_dma_tx;
} else {
atmel_port->use_dma_tx = false;
atmel_port->use_pdc_tx = false;