From 834296a3c66257616d14aef245dbe86111b5ef6b Mon Sep 17 00:00:00 2001 From: Rojhalat Ibrahim Date: Mon, 17 Nov 2014 18:31:30 +0100 Subject: serial: mctrl_gpio: use gpiod_set_array function Make the serial_mctrl_gpio driver the first user of the new gpiod_set_array function, which is now available in the linux-gpio devel tree. All modem control output signals are now set simultaneously. Signed-off-by: Rojhalat Ibrahim Reviewed-by: Alexandre Courbot Acked-by: Greg Kroah-Hartman Signed-off-by: Linus Walleij --- drivers/tty/serial/serial_mctrl_gpio.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index a3035f997b98..a38596c5194e 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.c +++ b/drivers/tty/serial/serial_mctrl_gpio.c @@ -44,15 +44,21 @@ static const struct { void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) { enum mctrl_gpio_idx i; + struct gpio_desc *desc_array[UART_GPIO_MAX]; + int value_array[UART_GPIO_MAX]; + unsigned int count = 0; if (IS_ERR_OR_NULL(gpios)) return; for (i = 0; i < UART_GPIO_MAX; i++) if (!IS_ERR_OR_NULL(gpios->gpio[i]) && - mctrl_gpios_desc[i].dir_out) - gpiod_set_value(gpios->gpio[i], - !!(mctrl & mctrl_gpios_desc[i].mctrl)); + mctrl_gpios_desc[i].dir_out) { + desc_array[count] = gpios->gpio[i]; + value_array[count] = !!(mctrl & mctrl_gpios_desc[i].mctrl); + count++; + } + gpiod_set_array(count, desc_array, value_array); } EXPORT_SYMBOL_GPL(mctrl_gpio_set); -- cgit v1.2.3