From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Alex Elder <elder@linaro.org>
Cc: gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com,
david.daney@cavium.com, loic.poulain@intel.com,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] serial: 8250_dw: support high baudrates if possible
Date: Sat, 28 Jun 2014 16:36:08 +0100 [thread overview]
Message-ID: <20140628163608.0c5536a9@alan.etchedpixels.co.uk> (raw)
In-Reply-To: <1403889920-1127-1-git-send-email-elder@linaro.org>
On Fri, 27 Jun 2014 12:25:20 -0500
> + rate = 16 * max(115200U, (unsigned int)baud);
> +
This assumes an arbitarily configurable clock, which is not I think the
usual case.
> + /*
> + * Request a different clock rate if necessary, and
> + * record it if successful.
> + */
> + if (rate != p->uartclk) {
> + BUG_ON(!data->clk);
> + if (!clk_set_rate(data->clk, (unsigned long)rate))
> + p->uartclk = rate;
> + }
next prev parent reply other threads:[~2014-06-28 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-27 17:25 [PATCH] serial: 8250_dw: support high baudrates if possible Alex Elder
2014-06-28 15:36 ` One Thousand Gnomes [this message]
2014-06-28 20:15 ` Alex Elder
2014-07-01 22:02 ` One Thousand Gnomes
2014-07-02 0:15 ` Alex Elder
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