Since commit 1d267ea6539f ("serial: mctrl-gpio: simplify init routine"),
the mctrl_gpio_to_gpiod() function can't return an error anymore.
So, just testing for a NULL pointer is ok.
Signed-off-by: Richard Genoud <richard.genoud@xxxxxxxxx>
---
drivers/tty/serial/mxs-auart.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 6989b227d134..541933d8a5c6 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -973,10 +973,8 @@ static int mxs_auart_dma_init(struct mxs_auart_port *s)
}
-#define RTS_AT_AUART() IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(s->gpios, \
- UART_GPIO_RTS))
-#define CTS_AT_AUART() IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(s->gpios, \
- UART_GPIO_CTS))
+#define RTS_AT_AUART() (mctrl_gpio_to_gpiod(s->gpios, UART_GPIO_RTS) == NULL)
+#define CTS_AT_AUART() (mctrl_gpio_to_gpiod(s->gpios, UART_GPIO_CTS) == NULL)
static void mxs_auart_settermios(struct uart_port *u,
struct ktermios *termios,
struct ktermios *old)
--
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