linux-kernel - Re: [PATCH 3/7] ark3116: (3rd try) Replace cmget

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Message-Id: <200910252308.02695.oliver@neukum.org>
Date:	Sun, 25 Oct 2009 23:08:02 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Bart Hartgers <bart.hartgers@...il.com>
Cc:	"Greg Kroah-Hartman" <gregkh@...e.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] ark3116: (3rd try) Replace cmget

Am Sonntag, 25. Oktober 2009 20:56:36 schrieb Bart Hartgers:
> I don't think so. The two values are not really related.
>
> These are two separate things: mcr (modem control reg) is ultimately
> changed by whatever has the serial port open, msr (modem status
> register) represents the status of the handshaking lines, and is
> changed (via the interrupt urb callback) by hardware.

If so, why is mcr of the type atomic_t ?

	Regards
		Oliver

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