Re: [PATCH v12 6/6] QE: Move QE from arch/powerpc to drivers/soc

[Scott Wood]

On Wed, Oct 14, 2015 at 03:16:08PM +0800, Zhao Qiang wrote:
> diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
> index 01626be7..c9541a5 100644
> --- a/arch/powerpc/platforms/Kconfig
> +++ b/arch/powerpc/platforms/Kconfig
> @@ -272,25 +272,6 @@ config TAU_AVERAGE
>  
>  	  If in doubt, say N here.
>  
> -config QUICC_ENGINE
> -	bool "Freescale QUICC Engine (QE) Support"
> -	depends on FSL_SOC && PPC32
> -	select GENERIC_ALLOCATOR
> -	select CRC32
> -	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 QE_GPIO
> -	bool "QE GPIO support"
> -	depends on QUICC_ENGINE
> -	select ARCH_REQUIRE_GPIOLIB
> -	help
> -	  Say Y here if you're going to use hardware that connects to the
> -	  QE GPIOs.

Why was QE_GPIO moved as part of this patch?


> diff --git a/arch/powerpc/sysdev/qe_lib/Kconfig b/drivers/soc/fsl/qe/Kconfig
> similarity index 50%
> copy from arch/powerpc/sysdev/qe_lib/Kconfig
> copy to drivers/soc/fsl/qe/Kconfig
> index 3c25199..283fe0d 100644
> --- a/arch/powerpc/sysdev/qe_lib/Kconfig
> +++ b/drivers/soc/fsl/qe/Kconfig
> @@ -2,6 +2,17 @@
>  # QE Communication options
>  #
>  
> +config QUICC_ENGINE
> +	bool "Freescale QUICC Engine (QE) Support"
> +	depends on FSL_SOC && PPC32
> +	select GENERIC_ALLOCATOR
> +	select CRC32
> +	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
> @@ -19,9 +30,3 @@ config UCC_FAST
>  config UCC
>  	bool
>  	default y if UCC_FAST || UCC_SLOW
> -
> -config QE_USB
> -	bool
> -	default y if USB_FSL_QE
> -	help
> -	  QE USB Controller support

Why did some config symbols get moved and others not?

> diff --git a/drivers/soc/fsl/qe/Makefile b/drivers/soc/fsl/qe/Makefile
> new file mode 100644
> index 0000000..51c9dce
> --- /dev/null
> +++ b/drivers/soc/fsl/qe/Makefile
> @@ -0,0 +1,9 @@
> +#
> +#Makefile for the Linux fsl parts of QE
> +#

"fsl parts of QE"?  Are there non-fsl parts of QE?

-Scott
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