* Tony Lindgren <tony@xxxxxxxxxxx> [120907 11:00]:
> Request pins using pinctrl framework. Only show a warning
> on error as some boards set the pins in the bootloader
> even if CONFIG_PINCTRL is enabled.
>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
>
> ---
>
> Note that this has only so far been tested with the legacy
> non-devicetree boot as devicetree boot now has a regression
> issue with omap-serial.
Now also tested with devicetree case on top tty-next +
Felipe's "[PATCH] serial: omap: fix DeviceTree boot.
Tony
> --- a/drivers/tty/serial/omap-serial.c
> +++ b/drivers/tty/serial/omap-serial.c
> @@ -40,6 +40,7 @@
> #include <linux/pm_runtime.h>
> #include <linux/of.h>
> #include <linux/gpio.h>
> +#include <linux/pinctrl/consumer.h>
>
> #include <plat/omap-serial.h>
>
> @@ -108,6 +109,7 @@ struct uart_omap_port {
> u32 latency;
> u32 calc_latency;
> struct work_struct qos_work;
> + struct pinctrl *pins;
> };
>
> #define to_uart_omap_port(p) ((container_of((p), struct uart_omap_port, port)))
> @@ -1371,6 +1373,13 @@ static int __devinit serial_omap_probe(struct platform_device *pdev)
> goto err_port_line;
> }
>
> + up->pins = devm_pinctrl_get_select_default(&pdev->dev);
> + if (IS_ERR(up->pins)) {
> + dev_warn(&pdev->dev, "did not get pins for uart%i error: %li\n",
> + up->port.line, PTR_ERR(up->pins));
> + up->pins = NULL;
> + }
> +
> sprintf(up->name, "OMAP UART%d", up->port.line);
> up->port.mapbase = mem->start;
> up->port.membase = devm_ioremap(&pdev->dev, mem->start,
> --
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