diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 98b8e3c98586..99a64fd16d46 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -32,7 +32,6 @@ #include <linux/dma-mapping.h> #include <linux/err.h> #include <linux/errno.h> -#include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/ioport.h> @@ -79,7 +78,6 @@ struct sci_port { int irqs[SCIx_NR_IRQS]; char *irqstr[SCIx_NR_IRQS]; - char *gpiostr[SCIx_NR_FNS]; struct dma_chan *chan_tx; struct dma_chan *chan_rx; @@ -1153,67 +1151,6 @@ static void sci_free_irq(struct sci_port *port) } } -static const char *sci_gpio_names[SCIx_NR_FNS] = { - "sck", "rxd", "txd", "cts", "rts", -}; - -static const char *sci_gpio_str(unsigned int index) -{ - return sci_gpio_names[index]; -} - -static void sci_init_gpios(struct sci_port *port) -{ - struct uart_port *up = &port->port; - int i; - - if (!port->cfg) - return; - - for (i = 0; i < SCIx_NR_FNS; i++) { - const char *desc; - int ret; - - if (!port->cfg->gpios[i]) - continue; - - desc = sci_gpio_str(i); - - port->gpiostr[i] = kasprintf(GFP_KERNEL, "%s:%s", - dev_name(up->dev), desc); - - /* - * If we've failed the allocation, we can still continue - * on with a NULL string. - */ - if (!port->gpiostr[i]) - dev_notice(up->dev, "%s string allocation failure\n", - desc); - - ret = gpio_request(port->cfg->gpios[i], port->gpiostr[i]); - if (unlikely(ret != 0)) { - dev_notice(up->dev, "failed %s gpio request\n", desc); - - /* - * If we can't get the GPIO for whatever reason, - * no point in keeping the verbose string around. - */ - kfree(port->gpiostr[i]); - } - } -} - -static void sci_free_gpios(struct sci_port *port) -{ - int i; - - for (i = 0; i < SCIx_NR_FNS; i++) - if (port->cfg->gpios[i]) { - gpio_free(port->cfg->gpios[i]); - kfree(port->gpiostr[i]); - } -} - static unsigned int sci_tx_empty(struct uart_port *port) { unsigned short status = serial_port_in(port, SCxSR); @@ -2240,8 +2177,6 @@ static int sci_init_single(struct platform_device *dev, port->dev = &dev->dev; - sci_init_gpios(sci_port); - pm_runtime_enable(&dev->dev); } @@ -2298,8 +2233,6 @@ static int sci_init_single(struct platform_device *dev, static void sci_cleanup_single(struct sci_port *port) { - sci_free_gpios(port); - clk_put(port->iclk); clk_put(port->fclk); |