[PATCH 05/11] tty/serial: at91: use of_property_read_bool

Julia Lawall
2016-08-05T08:56:45Z

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>

---
drivers/tty/serial/atmel_serial.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 2eaa18d..c57a51d 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1634,8 +1634,8 @@ 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 {
@@ -1647,8 +1647,8 @@ 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 {