[PATCH] serial: samsung.c: Add FRACVAL support for newer UART

[kgene.kim@samsung.com (Kukjin Kim)]

Sergei Shtylyov wrote:
> 
> Hello.
> 
Hi ;-)

> Kukjin Kim wrote:
> 
> > From: Changhwan Youn <chaos.youn@samsung.com>
> 
> > FRACVAL register provides the same function as UDIVSLOT register which
is
> > the 1/16ths adjustment to the baud rate but the implementaiton is
easier.
> > To support UDIVSLOT register, UDIVSLOT table search is necessary though
> > supporting FRACVAL only needs the index value of UDIVSLOT table.
> 
> > This patch implements the FRACVAL supports for the newer Samsung SoC
> UARTs.
> 
> > Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
> > Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
> [...]
> > diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
> > index a9d6c56..09805c7 100644
> > --- a/drivers/serial/samsung.c
> > +++ b/drivers/serial/samsung.c
> > @@ -530,7 +530,7 @@ static int s3c24xx_serial_calcbaud(struct baud_calc
*calc,
> >
> >  	calc->clksrc = clksrc;
> >
> > -	if (ourport->info->has_divslot) {
> > +	if ((ourport->info->has_divslot) || (ourport->info->has_fracval)) {
> 
>     Parens around variables are not needed.
> 
Yeah.

> 
> > @@ -755,7 +758,7 @@ static void s3c24xx_serial_set_termios(struct
uart_port
> *port,
> >  	wr_regl(port, S3C2410_UBRDIV, quot);
> >  	wr_regl(port, S3C2410_UMCON, umcon);
> >
> > -	if (ourport->info->has_divslot)
> > +	if ((ourport->info->has_divslot) || (ourport->info->has_fracval))
> 
>     Here as well...
> 
Yeah.

You're right.
But already re-submitted updated.

Please kindly find following URL.
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-July/020713.html

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.