RE: [PATCH v10 5/5] QE: Move QE from arch/powerpc to drivers/soc

Zhao Qiang
2015-09-22T08:38:45Z

On Tue, Sep 22, 2015 at 06:56 AM +0800, Wood Scott-B07421 wrote:

> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Tuesday, September 22, 2015 6:56 AM
> To: Zhao Qiang-B45475
> Cc: linux-kernel@vger.kernel.org; linuxppc-dev@lists.ozlabs.org;
> lauraa@codeaurora.org; Xie Xiaobo-R63061; benh@kernel.crashing.org; Li
> Yang-Leo-R58472; paulus@samba.org
> Subject: Re: [PATCH v10 5/5] QE: Move QE from arch/powerpc to drivers/soc
>
> On Fri, Sep 18, 2015 at 03:15:21PM +0800, Zhao Qiang wrote:
> > diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig
> > new file mode 100644 index 0000000..3012571
> > --- /dev/null
> > +++ b/drivers/soc/fsl/qe/Kconfig
> > @@ -0,0 +1,33 @@
> > + help
> > + The QUICC Engine (QE) is a new generation of communications
> > + coprocessors on Freescale embedded CPUs (akin to CPM in older
> chips).
> > + Selecting this option means that you wish to build a kernel
> > + for a machine with a QE coprocessor.
> > +
> > +config UCC_SLOW
> > + bool
> > + default y if SERIAL_QE
> > + help
> > + This option provides qe_lib support to UCC slow
> > + protocols: UART, BISYNC, QMC
> > +
> > +config UCC_FAST
> > + bool
> > + default y if UCC_GETH
> > + help
> > + This option provides qe_lib support to UCC fast
> > + protocols: HDLC, Ethernet, ATM, transparent
>
> What does "qe_lib" mean to the end user, or to anyone after the code is
> moved to drivers/soc/fsl/qe?

Qe_lib has functions configuring ucc, managing muram and so on.
It is the common functions to end user.

>
> -Scott