public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: sshtylyov@mvista.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] serial: samsung.c: Add FRACVAL support for newer UART
Date: Wed, 21 Jul 2010 13:11:52 +0400	[thread overview]
Message-ID: <4C46B9D8.7020504@ru.mvista.com> (raw)
In-Reply-To: <1277474119-6897-1-git-send-email-kgene.kim@samsung.com>

Hello.

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.


> @@ -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...

WBR, Sergei

  reply	other threads:[~2010-07-21  9:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-25 13:55 [PATCH] serial: samsung.c: Add FRACVAL support for newer UART Kukjin Kim
2010-07-21  9:11 ` Sergei Shtylyov [this message]
2010-07-21  9:20   ` Kukjin Kim

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4C46B9D8.7020504@ru.mvista.com \
    --to=sshtylyov@mvista.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox