diff options
| author | Rojhalat Ibrahim <imr@rtschenk.de> | 2014-11-17 18:31:30 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-12-02 14:25:42 +0100 |
| commit | 834296a3c66257616d14aef245dbe86111b5ef6b (patch) | |
| tree | 247bbf192906a7837ddc998d4088bf1b62137d5f /drivers/tty | |
| parent | 441e002624fa7dbc65df7947d3b53ddef605cb77 (diff) | |
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 <imr@rtschenk.de>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/serial_mctrl_gpio.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index a3035f997b9..a38596c5194 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); |