diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2015-02-24 18:06:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-07 03:28:01 +0100 |
| commit | 7950dc586092d0c7a8b881188061cc3dc133d7e9 (patch) | |
| tree | e8c1279d38c6da6444ecae120363c61d14f8252d /drivers/tty/serial/sprd_serial.c | |
| parent | serial: imx: add support for half duplex rs485 (diff) | |
| download | linux-7950dc586092d0c7a8b881188061cc3dc133d7e9.tar.xz linux-7950dc586092d0c7a8b881188061cc3dc133d7e9.zip | |
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: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sprd_serial.c')
| -rw-r--r-- | drivers/tty/serial/sprd_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index be3ed3f4ad60..2e6d63eabb2e 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -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; |