[PATCH v4] serial/efm32: add new driver

[Uwe Kleine-König]

Hello Greg,

On Wed, Jan 25, 2012 at 07:52:58AM -0800, Greg KH wrote:
> On Wed, Jan 25, 2012 at 09:05:04AM +0100, Uwe Kleine-König wrote:
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> > ---
> > changes since v3 (id:1326127447-20284-1-git-send-email-u.kleine-koenig at pengutronix.de)
> >  - increase number of ports to support UART additionally to USART ports
> >  - implement choosing route location
> >  - implement setting stopbit config
> >    (before one stop bit was configured and CSTOPB was set unconditionally which
> >    is wrong. Spotted by Russell King.)
> >  - implement break, sysrq and overflow detection
> >  - drop unrelated changing to make patch apply on v3.3-rc1
> > 
> > Hello Greg,
> > 
> > On Tue, Jan 24, 2012 at 02:05:22PM -0800, Greg KH wrote:
> > > On Mon, Jan 09, 2012 at 05:44:07PM +0100, Uwe Kleine-König wrote:
> > > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> > > > ---
> > > > Hello,
> > > > 
> > > > changes since v2:
> > > > - use {read,write}l_relaxed
> > > > - rename driver to efm32-uart as USARTs and UARTs can be handled both
> > > >   with it
> > > > - disable TX in .stop_tx (which needs some changes related to
> > > >   USARTn_IF_TXC)
> > > > 
> > > > Best regards
> > > > Uwe
> > > > 
> > > >  .../devicetree/bindings/tty/serial/efm32-uart.txt  |   14 +
> > > >  arch/arm/boot/dts/efm32gg-dk3750.dts               |    2 +-
> > > >  arch/arm/mach-efm32/devices/pdev-efm32-usart.c     |    6 +-
> > > 
> > > This file isn't in 3.3-rc1, so I can't apply this patch :(
> > > 
> > > What tree is it supposed to be against?
> > Sorry, I messed this up, it bases on my private development tree. These
> > two changes should go independant of the driver patch via an ARM tree
> > (if at all).
> > 
> > I added a few more features in the meantime, so the options are:
> >  - take v3 simply droping the hunks changing
> >    arch/arm/boot/dts/efm32gg-dk3750.dts and
> >    arch/arm/mach-efm32/devices/pdev-efm32-usart.c
> >  - take this for 3.3
> >  - take this for 3.4
> > 
> > My preference would be of course the second option, but for me the other two
> > would be OK if you don't like taking the update that late, too.
> 
> I was going to take this for the 3.4 merge, adding it to my tree now.
> It should be ok to drop those hunks, right?
Yeah, but if you were taking v4 then you wouldn't need to drop these hunks.

Best regards
Uwe

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