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tty: atmel_serial: add pinctrl support 

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-07-06 00:41:57 +08:00
parent ec6754a7b9
commit 784557decc
1 changed files with 8 additions and 0 deletions
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8
drivers/tty/serial/atmel_serial.c
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@ -39,6 +39,7 @@
#include <linux/atmel_pdc.h>
#include <linux/atmel_serial.h>
#include <linux/uaccess.h>
#include <linux/pinctrl/consumer.h>
#include <asm/io.h>
#include <asm/ioctls.h>
@ -1773,6 +1774,7 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev)
struct atmel_uart_data *pdata = pdev->dev.platform_data;
void *data;
int ret = -ENODEV;
struct pinctrl *pinctrl;
BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1));
@ -1805,6 +1807,12 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev)
atmel_init_port(port, pdev);
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl)) {
ret = PTR_ERR(pinctrl);
goto err;
}
if (!atmel_use_dma_rx(&port->uart)) {
ret = -ENOMEM;
data = kmalloc(sizeof(struct atmel_uart_char)