From: Johan Hovold <johan@kernel.org>
To: "Ji-Ze Hong \(Peter Hong\)" <hpeter@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
Johan Hovold <johan@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
USB <linux-usb@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter H <peter_hong@fintek.com.tw>,
"Ji-Ze Hong \(Peter Hong\)" <hpeter+linux_kernel@gmail.com>
Subject: [2/5] USB: serial: f81232: add high baud rate support
Date: Tue, 30 Jan 2018 14:30:59 +1100 [thread overview]
Message-ID: <20180130033059.GA3434@localhost> (raw)
On Tue, Jan 23, 2018 at 10:08:24AM +0800, Ji-Ze Hong (Peter Hong) wrote:
> Hi Andy,
>
> Andy Shevchenko 於 2018/1/22 下午 10:55 寫道:
> > On Mon, Jan 22, 2018 at 9:58 AM, Ji-Ze Hong (Peter Hong)
> > <hpeter@gmail.com> wrote:
> >> The F81232 had 4 clocksource 1.846/18.46/14.77/24MHz and baud rates
> >> can be up to 1.5Mbits with 24MHz.
> >>
> >> F81232 Clock registers (106h)
> >>
> >> Bit1-0: Clock source selector
> >> 00: 1.846MHz.
> >> 01: 18.46MHz.
> >> 10: 24MHz.
> >> 11: 14.77MHz.
> >
> > Hmm... Why not to provide a proper clk driver (based on table variant
> > of clk-divider) and use it here?
>
> It seems too complex to use clock framework in this driver.
> What do you think about this, Johan ?
Yeah, you don't need to implement a clk driver for this. If anyone
thinks that would simplify things, I'd be happy to consider it as a
follow-on patch.
Thanks,
Johan
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next reply other threads:[~2018-01-30 3:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 3:30 Johan Hovold [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-01-23 2:08 [2/5] USB: serial: f81232: add high baud rate support Ji-Ze Hong (Peter Hong)
2018-01-22 14:55 Andy Shevchenko
2018-01-22 7:58 Ji-Ze Hong (Peter Hong)
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