linux-kernel - Re: [PATCH] OMAP: Serial: Define register access modes in LCR

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Date:	Wed, 17 Nov 2010 11:05:24 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Greg KH <greg@...ah.com>
Cc:	Kevin Hilman <khilman@...prootsystems.com>,
	Emeltchenko Andrei <Andrei.Emeltchenko.news@...il.com>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm@...ts.infradead.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH] OMAP: Serial: Define register access modes in LCR

* Greg KH <greg@...ah.com> [101117 09:21]:
> On Wed, Nov 17, 2010 at 09:28:52AM -0800, Kevin Hilman wrote:
> > Greg KH <greg@...ah.com> writes:
> > 
> > > On Wed, Nov 17, 2010 at 10:31:52AM +0200, Emeltchenko Andrei wrote:
> > >> From: Andrei Emeltchenko <andrei.emeltchenko@...ia.com>
> > >> 
> > >> Access to some registers depends on register access mode
> > >> Three different modes are available for OMAP (at least)
> > >> • Operational mode     LCR_REG[7] = 0x0
> > >> • Configuration mode A LCR_REG[7] = 0x1 and LCR_REG[7:0]! = 0xBF
> > >> • Configuration mode B LCR_REG[7] = 0x1 and LCR_REG[7:0]  = 0xBF
> > >> 
> > >> Define access modes and remove redefinitions and magic numbers
> > >> in serial drivers (and later in bluetooth driver).
> > >> 
> > >> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@...ia.com>
> > >> ---
> > >>  arch/arm/mach-omap2/serial.c                  |   12 ++++----
> > >>  arch/arm/plat-omap/include/plat/omap-serial.h |    9 ------
> > >>  drivers/serial/8250.c                         |   26 +++++++++---------
> > >>  drivers/serial/omap-serial.c                  |   34 ++++++++++++------------
> > >>  include/linux/serial_reg.h                    |    7 +++++
> > >
> > > What tree should this go through?  THe omap or serial one?
> > 
> > Since this only affects OMAP drivers, we can take this through OMAP.
> > 
> > That will also help us avoid conflicts, as we'll hopefully be converting
> > the omap-serial driver to runtime PM for this next merge window as well.
> 
> Fine with me, feel free to add:
> 	Acked-by: Greg Kroah-Hartman <gregkh@...e.de>
> 
> to it.

Thanks, will queue for 2.6.38 merge window.

Regards,

Tony
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