[PATCH] serial: samsung.c: Add FRACVAL support for newer UART
Kukjin Kim
kgene.kim at samsung.com
Wed Jul 21 05:20:47 EDT 2010
Sergei Shtylyov wrote:
>
> Hello.
>
Hi ;-)
> Kukjin Kim wrote:
>
> > From: Changhwan Youn <chaos.youn at 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 at samsung.com>
> > Signed-off-by: Kukjin Kim <kgene.kim at 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 at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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