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Date: Tue, 19 Jul 2011 10:06:13 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Cc: Alan Cox <alan@linux.intel.com>, linux-serial@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Alexander Stein <alexander.stein@systec-electronic.com>,
        "toshiharu-linux@dsn.okisemi.com" <toshiharu-linux@dsn.okisemi.com>,
        "Ewe, Kok Howg" <kok.howg.ewe@intel.com>,
        "Wang, Qi" <qi.wang@intel.com>, "Wang, Yong Y" <yong.y.wang@intel.com>,
        "Clark, Joel" <joel.clark@intel.com>
Subject: Re: serial/pch_uart: AT command behavior
Message-ID: <20110719100613.21b9eb32@lxorguk.ukuu.org.uk>
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On Tue, 19 Jul 2011 13:15:57 +0900
Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> wrote:

> Hi,
> 
> I have a question for UART driver AT command behavior.
> When installing pch_uart, AT command "AT+GCAP^M" are sent for 4 times.
> This command is sent first install only.
> (After the above, removing pch_uart and installing pch_uart again,
> this command is not sent.)
> 
> Let me know the behavior is normal or not ?

As your distribution, it isn't the kernel.