From 985bfd54c826c0ba873ca0adfd5589263e0c6ee2 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Wed, 23 Apr 2014 09:58:34 -0500 Subject: [PATCH] tty: serial: omap: remove some dead code nobody passes a DTR_gpio to this driver, so this code is not necessary. Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/omap-serial.c | 39 -------------------------------- 1 file changed, 39 deletions(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index b46aaf33f35e..66546828a8d2 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -163,10 +163,6 @@ struct uart_omap_port { u8 wakeups_enabled; u32 features; - int DTR_gpio; - int DTR_inverted; - int DTR_active; - struct serial_rs485 rs485; int rts_gpio; @@ -694,16 +690,6 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl) serial_out(up, UART_MCR, up->mcr); pm_runtime_mark_last_busy(up->dev); pm_runtime_put_autosuspend(up->dev); - - if (gpio_is_valid(up->DTR_gpio) && - !!(mctrl & TIOCM_DTR) != up->DTR_active) { - up->DTR_active = !up->DTR_active; - if (gpio_cansleep(up->DTR_gpio)) - schedule_work(&up->qos_work); - else - gpio_set_value(up->DTR_gpio, - up->DTR_active != up->DTR_inverted); - } } static void serial_omap_break_ctl(struct uart_port *port, int break_state) @@ -847,9 +833,6 @@ static void serial_omap_uart_qos_work(struct work_struct *work) qos_work); pm_qos_update_request(&up->pm_qos_request, up->latency); - if (gpio_is_valid(up->DTR_gpio)) - gpio_set_value_cansleep(up->DTR_gpio, - up->DTR_active != up->DTR_inverted); } static void @@ -1672,28 +1655,6 @@ static int serial_omap_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - if (gpio_is_valid(omap_up_info->DTR_gpio) && - omap_up_info->DTR_present) { - ret = devm_gpio_request(&pdev->dev, omap_up_info->DTR_gpio, - "omap-serial"); - if (ret < 0) - return ret; - ret = gpio_direction_output(omap_up_info->DTR_gpio, - omap_up_info->DTR_inverted); - if (ret < 0) - return ret; - } - - if (gpio_is_valid(omap_up_info->DTR_gpio) && - omap_up_info->DTR_present) { - up->DTR_gpio = omap_up_info->DTR_gpio; - up->DTR_inverted = omap_up_info->DTR_inverted; - } else { - up->DTR_gpio = -EINVAL; - } - - up->DTR_active = 0; - up->dev = &pdev->dev; up->port.dev = &pdev->dev; up->port.type = PORT_OMAP; -- 2.20.1