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Commit 20e65276 authored by Andrew Victor's avatar Andrew Victor Committed by Russell King
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[ARM] 3710/1: AT91 Serial: Use GPIO API 



Patch from Andrew Victor

The AT91RM9200 errata work-around should be using the GPIO API and not
accessing the PIO registers directly.

Signed-off-by: default avatarAndrew Victor <andrew@sanpeople.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent ca78f6ba

drivers/serial/at91_serial.c

+3 −2
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ 
#include <asm/mach/serial_at91.h>

#include <asm/arch/board.h>

#include <asm/arch/system.h>

#include <asm/arch/gpio.h>



#if defined(CONFIG_SERIAL_AT91_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)

#define SUPPORT_SYSRQ
@@ -140,9 +141,9 @@ static void at91_set_mctrl(struct uart_port *port, u_int mctrl) 
		 */

		if (port->mapbase == AT91_BASE_US0) {

			if (mctrl & TIOCM_RTS)

				at91_sys_write(AT91_PIOA + PIO_CODR, AT91_PA21_RTS0);

				at91_set_gpio_value(AT91_PIN_PA21, 0);

			else

				at91_sys_write(AT91_PIOA + PIO_SODR, AT91_PA21_RTS0);

				at91_set_gpio_value(AT91_PIN_PA21, 1);

		}

	}