linux-kernel - Re: [PATCH 2/2] pch_uart: Delete modem status interrupt enable code

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Date:	Tue, 1 Nov 2011 12:57:57 +0000
From:	Alan Cox <alan@...ux.intel.com>
To:	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, qi.wang@...el.com,
	yong.y.wang@...el.com, joel.clark@...el.com, kok.howg.ewe@...el.com
Subject: Re: [PATCH 2/2] pch_uart: Delete modem status interrupt enable code

> (pch_uart device has auto hardware flow control function. So,
> pch_uart driver doesn't have to control modem status interrupt.)

This is true for flow control bits but not for incoming carrier detect ?

> This patch deletes the code.

> +	dev_info(priv->port.dev,
> +		"PCH UART : Modem status interrupt is not
> supported.\n"); }

dev_info seems wrong here. Does the user need to know this ?
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