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SubjectRe: [PATCH] serial/documentation: fix name of DCD cpp symbol
On Wed, 04 Jan 2012 15:13:29 -0800
Randy Dunlap <rdunlap@xenotime.net> wrote:

> On 12/02/2011 03:42 PM, Alan Cox wrote:
> > On Fri, 2 Dec 2011 21:20:11 +0100
> > Uwe Kleine-König <u.kleine-koenig@pengutronix.de> wrote:
> >
> >> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> >> ---
> >> Documentation/serial/driver | 2 +-
> >> 1 files changed, 1 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/Documentation/serial/driver
> >> b/Documentation/serial/driver index 77ba0af..0a25a91 100644
> >> --- a/Documentation/serial/driver
> >> +++ b/Documentation/serial/driver
> >> @@ -101,7 +101,7 @@ hardware.
> >> Returns the current state of modem control inputs. The
> >> state of the outputs should not be returned, since the core keeps
> >> track of their state. The state information should
> >> include:
> >> - - TIOCM_DCD state of DCD signal
> >> + - TIOCM_CAR state of DCD signal
> >> - TIOCM_CTS state of CTS signal
> >> - TIOCM_DSR state of DSR signal
> >> - TIOCM_RI state of RI signal
> >
> > Acked-by: Alan Cox <alan@linux.intel.com>
> >
> > but please fix the Subject line to be less confusing - it sounds
> > like it changes the define not the docs...
>
>
> (sorry for the delayed reply)
>
> I thought that DCD meant Data Carrier Detect. Is that old? Has it
> changed to just Carrier?

TIOCM_ are the kernel names. The documentation says we use TIOCM_DCD -
only we don't - the #define is TIOCM_CAR

So its a fix.
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