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

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Message-ID: <20150204162745.GG13757@localhost>
Date:	Wed, 4 Feb 2015 17:27:45 +0100
From:	Johan Hovold <johan@...nel.org>
To:	Peter Hung <hpeter@...il.com>
Cc:	johan@...nel.org, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	tom_tsai@...tek.com.tw, peter_hong@...tek.com.tw,
	Peter Hung <hpeter+linux_kernel@...il.com>
Subject: Re: [PATCH v4 7/7] usb: serial: modify ioctl TIOCGSERIAL for F81232

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@...il.com>
> ---
>  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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