linux-kernel - Re: [patch] TTY: synclink, small cleanup in dtr

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Date:	Sun, 27 Jan 2013 13:00:01 -0800
From:	Joe Perches <joe@...ches.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	Paul Fulghum <paulkf@...rogate.com>,
	David Howells <dhowells@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] TTY: synclink, small cleanup in dtr_rts()

On Sun, 2013-01-27 at 23:19 +0300, Dan Carpenter wrote:
> On Sun, Jan 27, 2013 at 12:04:38PM -0800, Joe Perches wrote:
> > Wouldn't it be clearer still to use | instead of +
> Yeah.  I think it would be, but adding bitflags together instead of
> doing bitwise ORs is very common as well.

Fortunately, less and less so.

Another option might be to add another #define
to include/uapi/linux/synclink.h

#define SerialSignal_DTR_RTS	(SerialSignal_DTR | SerialSignal_RTS)

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