Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7950dc58 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
Browse files

serial: sprd: Fix iotype 



The Spreadtrum UART is accessed with mmio; declare the proper iotype.
Also prevent userspace from assigning any other iotype via
ioctl(TIOCSSERIAL).

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 17b8f2a3

drivers/tty/serial/sprd_serial.c

+3 −1
Original line number Diff line number Diff line
@@ -491,6 +491,8 @@ static int sprd_verify_port(struct uart_port *port, 
		return -EINVAL;

	if (port->irq != ser->irq)

		return -EINVAL;

	if (port->iotype != ser->io_type)

		return -EINVAL;

	return 0;

}
@@ -705,7 +707,7 @@ static int sprd_probe(struct platform_device *pdev) 
	up->dev = &pdev->dev;

	up->line = index;

	up->type = PORT_SPRD;

	up->iotype = SERIAL_IO_PORT;

	up->iotype = UPIO_MEM;

	up->uartclk = SPRD_DEF_RATE;

	up->fifosize = SPRD_FIFO_SIZE;

	up->ops = &serial_sprd_ops;