linux-kernel - Re: [PATCH v10 5/5] QE: Move QE from arch/powerpc to drivers/soc

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Message-ID: <20150921225611.GC12709@home.buserror.net>
Date:	Mon, 21 Sep 2015 17:56:11 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Zhao Qiang <qiang.zhao@...escale.com>
CC:	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<lauraa@...eaurora.org>, <X.xie@...escale.com>,
	<benh@...nel.crashing.org>, <leoli@...escale.com>,
	<paulus@...ba.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 @@
> +#
> +# QE Communication options
> +#
> +
> +config QUICC_ENGINE
> +	bool "Freescale QUICC Engine (QE) Support"
> +	depends on FSL_SOC && PPC32
> +	select PPC_LIB_RHEAP
> +	select GENERIC_ALLOCATOR
> +	select CRC32

Why is "select PPC_LIB_RHEAP" still here?

> +	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?

-Scott
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