Blackfin serial driver: use new GPIO API

#include <linux/serial.h>

#include <asm/dma.h>

#include <asm/portmux.h>

#define NR_PORTS		4

int nr_ports = ARRAY_SIZE(bfin_serial_resource);

#define DRIVER_NAME "bfin-uart"

static void bfin_serial_hw_init(struct bfin_serial_port *uart)

{

#ifdef CONFIG_SERIAL_BFIN_UART0

	/* Enable UART0 RX and TX on pin 7 & 8 of PORT E */

	bfin_write_PORTE_FER(0x180 | bfin_read_PORTE_FER());

	bfin_write_PORTE_MUX(0x3C000 | bfin_read_PORTE_MUX());

	peripheral_request(P_UART0_TX, DRIVER_NAME);

	peripheral_request(P_UART0_RX, DRIVER_NAME);

#endif

#ifdef CONFIG_SERIAL_BFIN_UART1

	/* Enable UART1 RX and TX on pin 0 & 1 of PORT H */

	bfin_write_PORTH_FER(0x3 | bfin_read_PORTH_FER());

	bfin_write_PORTH_MUX(~0xF & bfin_read_PORTH_MUX());

	peripheral_request(P_UART1_TX, DRIVER_NAME);

	peripheral_request(P_UART1_RX, DRIVER_NAME);

#ifdef CONFIG_BFIN_UART1_CTSRTS

	/* Enable UART1 RTS and CTS on pin 9 & 10 of PORT E */

	bfin_write_PORTE_FER(0x600 | bfin_read_PORTE_FER());

	bfin_write_PORTE_MUX(~0x3C0000 & bfin_read_PORTE_MUX());

	peripheral_request(P_UART1_RTS, DRIVER_NAME);

	peripheral_request(P_UART1_CTS DRIVER_NAME);

#endif

#endif

#ifdef CONFIG_SERIAL_BFIN_UART2

	/* Enable UART2 RX and TX on pin 4 & 5 of PORT B */

	bfin_write_PORTB_FER(0x30 | bfin_read_PORTB_FER());

	bfin_write_PORTB_MUX(~0xF00 & bfin_read_PORTB_MUX());

	peripheral_request(P_UART2_TX, DRIVER_NAME);

	peripheral_request(P_UART2_RX, DRIVER_NAME);

#endif

#ifdef CONFIG_SERIAL_BFIN_UART3

	/* Enable UART3 RX and TX on pin 6 & 7 of PORT B */

	bfin_write_PORTB_FER(0xC0 | bfin_read_PORTB_FER());

	bfin_write_PORTB_MUX(~0xF000 | bfin_read_PORTB_MUX());

	peripheral_request(P_UART3_TX, DRIVER_NAME);

	peripheral_request(P_UART3_RX, DRIVER_NAME);

#ifdef CONFIG_BFIN_UART3_CTSRTS

	/* Enable UART3 RTS and CTS on pin 2 & 3 of PORT B */

	bfin_write_PORTB_FER(0xC | bfin_read_PORTB_FER());

	bfin_write_PORTB_MUX(~0xF0 | bfin_read_PORTB_MUX());

	peripheral_request(P_UART3_RTS, DRIVER_NAME);

	peripheral_request(P_UART3_CTS DRIVER_NAME);

#endif

#endif

	SSYNC();

#ifdef CONFIG_SERIAL_BFIN_CTSRTS

	if (uart->cts_pin >= 0) {

		gpio_request(uart->cts_pin, NULL);

		gpio_request(uart->cts_pin, DRIVER_NAME);

		gpio_direction_input(uart->cts_pin);

	}

	if (uart->rts_pin >= 0) {

		gpio_request(uart->rts_pin, NULL);

		gpio_request(uart->rts_pin, DRIVER_NAME);

		gpio_direction_output(uart->rts_pin);

	}

#endif