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From: Darren Hart <dvhart@linux.intel.com>
To: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Feng Tang <feng.tang@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Cox <alan@linux.intel.com>,
	linux-serial@vger.kernel.org
Subject: Re: [PATCH 0/4] pch_uart: Cleanups, board quirks, and user uartclk parameter
Date: Wed, 22 Feb 2012 00:59:03 -0800	[thread overview]
Message-ID: <4F44AE57.10302@linux.intel.com> (raw)
In-Reply-To: <CANKRQngnFhTY3-YxhDH3oufbqUu5pe36Fi58DjKWm=9uTigr-A@mail.gmail.com>



On 02/22/2012 12:16 AM, Tomoya MORINAGA wrote:
> 2012年2月22日15:39 Darren Hart <dvhart@linux.intel.com>:
>> We can add a patch to this series that sets the
>> default to 192MHz, drops the CM-iTC quirk, and does nothing in pch_phub
>> probe for the FRI2.
> 
> If you set  the clock of pch_uart as 64MHz,
> do you need to add quirk for FRI2 to pch_phub so as to provide 64MHz clock?

I admit the value of pch_phub eludes me a bit. In my case, the firmware
sets up the CLKCFG register, so there is no need to set it manually
after boot. Instead, I'm making sure the pch_uart driver defaults to
what the firmware sets up.

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel

  reply	other threads:[~2012-02-22  8:59 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-22  1:59 [PATCH 0/4] pch_uart: Cleanups, board quirks, and user uartclk parameter Darren Hart
2012-02-22  1:59 ` [PATCH 1/4] pch_uart: Use uartclk instead of base_baud Darren Hart
2012-02-22  1:59 ` [PATCH 2/4] pch_uart: Add Fish River Island II uart clock quirks Darren Hart
2012-02-22  8:52   ` Alan Cox
2012-02-22  9:46     ` Darren Hart
2012-02-24 21:53       ` Greg Kroah-Hartman
2012-02-24 22:25         ` Darren Hart
2012-02-24 23:39           ` Greg Kroah-Hartman
2012-02-22  1:59 ` [PATCH 3/4] pch_uart: Add user_uartclk parameter Darren Hart
2012-02-22  1:59 ` [PATCH 4/4] pch_uart: Use existing default_baud in setup_console Darren Hart
2012-02-22  3:10 ` [PATCH 0/4] pch_uart: Cleanups, board quirks, and user uartclk parameter Tomoya MORINAGA
2012-02-22  3:36   ` Darren Hart
2012-02-22  4:26     ` Tomoya MORINAGA
2012-02-22  6:39       ` Darren Hart
2012-02-22  8:16         ` Tomoya MORINAGA
2012-02-22  8:59           ` Darren Hart [this message]
2012-02-22  9:25             ` Feng Tang
2012-02-22  8:58   ` Alan Cox
2012-02-22  9:55     ` Darren Hart
2012-02-22  9:55       ` Darren Hart

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