linux-kernel - Re: [PATCH 3/3] serial: of_serial: Handle hw-flow-control property

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Date:	Mon, 25 Mar 2013 12:47:58 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	Ley Foon Tan <lftan@...era.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH 3/3] serial: of_serial: Handle hw-flow-control property

On Monday 25 March 2013, Heikki Krogerus wrote:
> On Mon, Mar 25, 2013 at 11:40:31AM +0000, Arnd Bergmann wrote:
> > On Monday 25 March 2013, Heikki Krogerus wrote:
> > > This will add support for hardware flow control. It is
> > > limited to be used only with 8250 driver.
> > > 
> > > Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> > 
> > Does this imply that we can use hardware flow control only when this
> > flag is set in the device tree? I assumed that working flow control
> > would be the default. Is it not?
> 
> OK, the commit message is wrong. Is the patch otherwise OK?

I still find the text in the binding and the name of the property confusing,
because it seems to imply that you have no hardware flow control without this.
I think what you mean here is really "automatic flow control" rather than
"hardware flow control".

	Arnd
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