Re: [PATCH V8 05/10] USB: f81232: implement MCR/MSR function

From: Johan Hovold
Date: Sat Mar 14 2015 - 08:10:11 EST


On Thu, Feb 26, 2015 at 06:02:11PM +0800, Peter Hung wrote:
> This patch implement relative MCR/MSR function, such like
> tiocmget()/tiocmset()/dtr_rts()/carrier_raised()
>
> original f81232_carrier_raised() compared with wrong value UART_DCD.
> It's should compared with UART_MSR_DCD.
>
> Signed-off-by: Peter Hung <hpeter+linux_kernel@xxxxxxxxx>
> ---
> drivers/usb/serial/f81232.c | 139 +++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 117 insertions(+), 22 deletions(-)

> +static int f81232_set_mctrl(struct usb_serial_port *port,
> + unsigned int set, unsigned int clear)
> +{
> + u8 urb_value;

Minor nit: could you just call this "val" as it's unrelated to any urb.

Also looks good otherwise.

Johan
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