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serial: omap: Request pins using pinctrl framework

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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@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tony Lindgren 2012-09-07 10:59:40 -07:00 committed by Greg Kroah-Hartman
parent ce2f08ded2
commit 3dbc5ce2bf
1 changed files with 9 additions and 0 deletions
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9
drivers/tty/serial/omap-serial.c
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@ -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)))
@ -1377,6 +1379,13 @@ 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,