Re: [PATCH v4 7/7] usb: serial: modify ioctl TIOCGSERIAL for F81232

From: Johan Hovold
Date: Wed Feb 04 2015 - 11:27:52 EST


On Fri, Jan 30, 2015 at 02:13:41PM +0800, Peter Hung wrote:
> Set correct product type from 16654 to 16550A and
> fix the ioctl TIOCGSERIAL return struct values.
>
> Signed-off-by: Peter Hung <hpeter+linux_kernel@xxxxxxxxx>
> ---
> drivers/usb/serial/f81232.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
> index 0ed7e36..4d3aba8 100644
> --- a/drivers/usb/serial/f81232.c
> +++ b/drivers/usb/serial/f81232.c
> @@ -518,13 +518,18 @@ static int f81232_ioctl(struct tty_struct *tty,
>
> switch (cmd) {
> case TIOCGSERIAL:

First of all, please break this out into a f81232_get_serial_info helper
function.

> - memset(&ser, 0, sizeof ser);
> - ser.type = PORT_16654;
> + memset(&ser, 0, sizeof(ser));
> + ser.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
> + ser.xmit_fifo_size = port->bulk_out_size;
> + ser.close_delay = 5*HZ;
> + ser.closing_wait = 30*HZ;

Spaces around *

> +

No newline.

> + ser.type = PORT_16550A;
> ser.line = port->minor;
> ser.port = port->port_number;
> - ser.baud_base = 460800;
> + ser.baud_base = 115200;
>
> - if (copy_to_user((void __user *)arg, &ser, sizeof ser))
> + if (copy_to_user((void __user *)arg, &ser, sizeof(ser)))
> return -EFAULT;
>
> return 0;

Johan
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