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 <imr@xxxxxxxxxxx>
Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
---
Resend: Add Greg Kroah-Hartman and the linux-serial list to the recipients
in hopes of getting an ACK.
drivers/tty/serial/serial_mctrl_gpio.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c
index a3035f9..a38596c 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);
--
2.0.4
--
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