tty/serial: at91: use of_property_read_bool

Use of_property_read_bool to check for the existence of a property.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S2,S1;
@@
-       if (of_get_property(e1,e2,NULL))
+       if (of_property_read_bool(e1,e2))
        S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 17592390e85c433ffb69a2fc5f29e9c16a138281..b94683f7de9b36522762bee8f5aedabd0a451599 100644 (file)
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1635,8 +1635,8 @@ static void atmel_init_property(struct atmel_uart_port *atmel_port,
 
        if (np) {
                /* DMA/PDC usage specification */
-               if (of_get_property(np, "atmel,use-dma-rx", NULL)) {
-                       if (of_get_property(np, "dmas", NULL)) {
+               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 {
@@ -1648,8 +1648,8 @@ static void atmel_init_property(struct atmel_uart_port *atmel_port,
                        atmel_port->use_pdc_rx  = false;
                }
 
-               if (of_get_property(np, "atmel,use-dma-tx", NULL)) {
-                       if (of_get_property(np, "dmas", NULL)) {
+               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 {