linux-kernel - Re: [v4] QE: Move QE from arch/powerpc to drivers/soc

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Message-ID: <1433196404.4089.187.camel@freescale.com>
Date:	Mon, 1 Jun 2015 17:06:44 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Zhao Qiang-B45475 <qiang.zhao@...escale.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"Xie Xiaobo-R63061" <X.Xie@...escale.com>
Subject: Re: [v4] QE: Move QE from arch/powerpc to drivers/soc

On Sun, 2015-05-31 at 23:09 -0500, Zhao Qiang-B45475 wrote:
> On Fri, Jan 30, 2015 at 1:22PM +0800, Wood Scott wrote:
> 
> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Friday, January 30, 2015 1:22 PM
> > To: Zhao Qiang-B45475
> > Cc: linux-kernel@...r.kernel.org; netdev@...r.kernel.org; linuxppc-
> > dev@...ts.ozlabs.org; Wood Scott-B07421; Xie Xiaobo-R63061
> > Subject: Re: [v4] QE: Move QE from arch/powerpc to drivers/soc
> > 
> > On Wed, Nov 12, 2014 at 11:40:13AM +0800, Zhao Qiang wrote:
> > > ls1 has qe and ls1 has arm cpu.
> > > move qe from arch/powerpc to drivers/soc/fsl to adapt to powerpc 
> > > and
> > > arm
> > > 
> > > Signed-off-by: Zhao Qiang <B45475@...escale.com>
> > > ---
> > > Changes for v2:
> > >   - move code to driver/soc
> > > Changes for v3:
> > >   - change drivers/soc/qe to drivers/soc/fsl-qe Changes for v4:
> > >   - move drivers/soc/fsl-qe to drivers/soc/fsl/qe
> > >   - move head files for qe from include/linux/fsl to 
> > > include/soc/fsl
> > >   - move qe_ic.c to drivers/irqchip/
> > 
> > Need MAINTAINERS update for drivers/soc/fsl/qe, as previously 
> > discussed.
> 
> You mean, I need to finish the following work before move qe to 
> public directory?
> 
> 1. gpio.c -> needs to be converted to GPIO framework and placed in 
> drivers/gpio
> 2. qe_ic* should probably move into drivers/irqchip
> 3. qe_io.c should be converted over to pinmux and put in 
> drivers/pinctrl
> 4. Some of the clock could should be looked to be converted to use 
> the clk framework

Those would be nice but at the very least:
1. Don't introduce code into the toplevel /lib that duplicates 
existing functionality, and
2. Add a MAINTAINERS entry as described above

-Scott

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