linux-kernel - Re: [PATCH v2 1/2] Move ralink-gdma to its own directory

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Date:   Fri, 11 Jan 2019 12:21:45 +1100
From:   NeilBrown <neil@...wn.name>
To:     thirtythreeforty@...il.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     George Hilliard <thirtythreeforty@...il.com>,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH v2 1/2] Move ralink-gdma to its own directory

On Thu, Jan 10 2019, thirtythreeforty@...il.com wrote:

> From: George Hilliard <thirtythreeforty@...il.com>
>
> This is in preparation to allow it and the mt7621-dma drivers to be
> built separately.  They are completely independent pieces of software,
> and the Kconfig specifies very different requirements.
>
> Cc: linux-kernel@...r.kernel.org
> Cc: devel@...verdev.osuosl.org
> Cc: Neil Brown <neil@...wn.name>
> Signed-off-by: George Hilliard <thirtythreeforty@...il.com>

Hi,
 thanks for taking an interest in these drivers.
 I original submitted this code because I though I needed it for my
 mt7621 hardware, but I've subsequently realized that neither of these
 dma drivers are used in this hardware.
 Consequently I cannot test any changes you make.
 But maybe you can - which would be excellent!

 So this is just letting you and Greg know that despite my stated
 interest, I cannot actually review or test this.

Thanks,
NeilBrown


> ---
>  drivers/staging/Kconfig                                   | 2 ++
>  drivers/staging/Makefile                                  | 1 +
>  drivers/staging/mt7621-dma/Kconfig                        | 6 ------
>  drivers/staging/mt7621-dma/Makefile                       | 1 -
>  drivers/staging/ralink-gdma/Kconfig                       | 6 ++++++
>  drivers/staging/ralink-gdma/Makefile                      | 3 +++
>  drivers/staging/{mt7621-dma => ralink-gdma}/ralink-gdma.c | 0
>  7 files changed, 12 insertions(+), 7 deletions(-)
>  create mode 100644 drivers/staging/ralink-gdma/Kconfig
>  create mode 100644 drivers/staging/ralink-gdma/Makefile
>  rename drivers/staging/{mt7621-dma => ralink-gdma}/ralink-gdma.c (100%)
>
> diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
> index e4f608815c05..b4cfde38e856 100644
> --- a/drivers/staging/Kconfig
> +++ b/drivers/staging/Kconfig
> @@ -110,6 +110,8 @@ source "drivers/staging/mt7621-spi/Kconfig"
>  
>  source "drivers/staging/mt7621-dma/Kconfig"
>  
> +source "drivers/staging/ralink-gdma/Kconfig"
> +
>  source "drivers/staging/mt7621-mmc/Kconfig"
>  
>  source "drivers/staging/mt7621-eth/Kconfig"
> diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
> index 5868631e8f1b..e095f427177c 100644
> --- a/drivers/staging/Makefile
> +++ b/drivers/staging/Makefile
> @@ -45,6 +45,7 @@ obj-$(CONFIG_SOC_MT7621)	+= mt7621-pci/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-pinctrl/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-spi/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-dma/
> +obj-$(CONFIG_SOC_MT7621)	+= ralink-gdma/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-mmc/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-eth/
>  obj-$(CONFIG_SOC_MT7621)	+= mt7621-dts/
> diff --git a/drivers/staging/mt7621-dma/Kconfig b/drivers/staging/mt7621-dma/Kconfig
> index 2423c40099d1..b6e48a682c44 100644
> --- a/drivers/staging/mt7621-dma/Kconfig
> +++ b/drivers/staging/mt7621-dma/Kconfig
> @@ -1,9 +1,3 @@
> -config DMA_RALINK
> -	tristate "RALINK DMA support"
> -	depends on RALINK && !SOC_RT288X
> -	select DMA_ENGINE
> -	select DMA_VIRTUAL_CHANNELS
> -
>  config MTK_HSDMA
>  	tristate "MTK HSDMA support"
>  	depends on RALINK && SOC_MT7621
> diff --git a/drivers/staging/mt7621-dma/Makefile b/drivers/staging/mt7621-dma/Makefile
> index d3152d45cf45..c9e3e1619ab0 100644
> --- a/drivers/staging/mt7621-dma/Makefile
> +++ b/drivers/staging/mt7621-dma/Makefile
> @@ -1,4 +1,3 @@
> -obj-$(CONFIG_DMA_RALINK) += ralink-gdma.o
>  obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o
>  
>  ccflags-y += -I$(srctree)/drivers/dma
> diff --git a/drivers/staging/ralink-gdma/Kconfig b/drivers/staging/ralink-gdma/Kconfig
> new file mode 100644
> index 000000000000..a12b2c672d48
> --- /dev/null
> +++ b/drivers/staging/ralink-gdma/Kconfig
> @@ -0,0 +1,6 @@
> +config DMA_RALINK
> +	tristate "RALINK DMA support"
> +	depends on RALINK && !SOC_RT288X
> +	select DMA_ENGINE
> +	select DMA_VIRTUAL_CHANNELS
> +
> diff --git a/drivers/staging/ralink-gdma/Makefile b/drivers/staging/ralink-gdma/Makefile
> new file mode 100644
> index 000000000000..5d917e0729bb
> --- /dev/null
> +++ b/drivers/staging/ralink-gdma/Makefile
> @@ -0,0 +1,3 @@
> +obj-$(CONFIG_DMA_RALINK) += ralink-gdma.o
> +
> +ccflags-y += -I$(srctree)/drivers/dma
> diff --git a/drivers/staging/mt7621-dma/ralink-gdma.c b/drivers/staging/ralink-gdma/ralink-gdma.c
> similarity index 100%
> rename from drivers/staging/mt7621-dma/ralink-gdma.c
> rename to drivers/staging/ralink-gdma/ralink-gdma.c
> -- 
> 2.20.1

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