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Commit ccfbc3e1 authored by Sonic Zhang's avatar Sonic Zhang Committed by Linus Torvalds
Browse files

Blackfin Serial Driver: Fix bug - should suspend/resume/remove all uart ports. 



Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c1113400

drivers/serial/bfin_5xx.c

+22 −17
Original line number Diff line number Diff line
@@ -1100,20 +1100,26 @@ static struct uart_driver bfin_serial_reg = { 


static int bfin_serial_suspend(struct platform_device *dev, pm_message_t state)

{

	struct bfin_serial_port *uart = platform_get_drvdata(dev);

	int i;



	if (uart)

		uart_suspend_port(&bfin_serial_reg, &uart->port);

	for (i = 0; i < nr_ports; i++) {

		if (bfin_serial_ports[i].port.dev != &dev->dev)

			continue;

		uart_suspend_port(&bfin_serial_reg, &bfin_serial_ports[i].port);

	}



	return 0;

}



static int bfin_serial_resume(struct platform_device *dev)

{

	struct bfin_serial_port *uart = platform_get_drvdata(dev);

	int i;



	if (uart)

		uart_resume_port(&bfin_serial_reg, &uart->port);

	for (i = 0; i < nr_ports; i++) {

		if (bfin_serial_ports[i].port.dev != &dev->dev)

			continue;

		uart_resume_port(&bfin_serial_reg, &bfin_serial_ports[i].port);

	}



	return 0;

}
@@ -1133,27 +1139,26 @@ static int bfin_serial_probe(struct platform_device *dev) 
				continue;

			bfin_serial_ports[i].port.dev = &dev->dev;

			uart_add_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);

			platform_set_drvdata(dev, &bfin_serial_ports[i]);

		}

	}



	return 0;

}



static int bfin_serial_remove(struct platform_device *pdev)

static int bfin_serial_remove(struct platform_device *dev)

{

	struct bfin_serial_port *uart = platform_get_drvdata(pdev);



	int i;



	for (i = 0; i < nr_ports; i++) {

		if (bfin_serial_ports[i].port.dev != &dev->dev)

			continue;

		uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);

		bfin_serial_ports[i].port.dev = NULL;

#ifdef CONFIG_SERIAL_BFIN_CTSRTS

	gpio_free(uart->cts_pin);

	gpio_free(uart->rts_pin);

		gpio_free(bfin_serial_ports[i].cts_pin);

		gpio_free(bfin_serial_ports[i].rts_pin);

#endif



	platform_set_drvdata(pdev, NULL);



	if (uart)

		uart_remove_one_port(&bfin_serial_reg, &uart->port);

	}



	return 0;

}