linux-kernel - Re: [PATCH 1/8] goldfish: refactor goldfish platform configs

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Date:	Wed, 25 Nov 2015 12:32:30 +0000
From:	Alex Bennée <alex.bennee@...aro.org>
To:	Jin Qian <jinqian@...roid.com>
Cc:	Ralf Baechle <ralf@...ux-mips.org>,
	Huacai Chen <chenhc@...ote.com>,
	Greg Hackmann <ghackmann@...gle.com>,
	Miodrag Dinic <miodrag.dinic@...tec.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] goldfish: refactor goldfish platform configs


Jin Qian <jinqian@...roid.com> writes:

> From: Greg Hackmann <ghackmann@...gle.com>
>
> On new virtual devices, the goldfish virtual bus can be replaced with
> autoprobing infrastructure like Device Tree.  Refactor the goldfish
> kernel configs to better accommodate this.

Should there be a header for this series? Does Google want to upstream
the android pipe into mainline while we are still examining VirtIO
alternatives?

>
> Move the goldfish platform into a menuconfig in the style of the chrome
> platform, and separate the goldfish bus into its own config option.
>
> Signed-off-by: Greg Hackmann <ghackmann@...gle.com>
> (cherry picked from commit 711910868190ee3645c1c52701bdde844447783f)
> Signed-off-by: Jin Qian <jinqian@...roid.com>
> ---
>  drivers/platform/Kconfig           |  3 +--
>  drivers/platform/goldfish/Kconfig  | 18 ++++++++++++++++++
>  drivers/platform/goldfish/Makefile |  2 +-
>  3 files changed, 20 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig
> index 0adccbf..c11db8b 100644
> --- a/drivers/platform/Kconfig
> +++ b/drivers/platform/Kconfig
> @@ -4,8 +4,7 @@ endif
>  if MIPS
>  source "drivers/platform/mips/Kconfig"
>  endif
> -if GOLDFISH
> +
>  source "drivers/platform/goldfish/Kconfig"
> -endif
>
>  source "drivers/platform/chrome/Kconfig"
> diff --git a/drivers/platform/goldfish/Kconfig b/drivers/platform/goldfish/Kconfig
> index 635ef25..1ae3690 100644
> --- a/drivers/platform/goldfish/Kconfig
> +++ b/drivers/platform/goldfish/Kconfig
> @@ -1,5 +1,23 @@
> +menuconfig GOLDFISH
> +	bool "Platform support for Goldfish virtual devices"
> +	depends on X86_32 || X86_64 || ARM || ARM64
> +	---help---
> +	  Say Y here to get to see options for the Goldfish virtual platform.
> +	  This option alone does not add any kernel code.
> +
> +	  Unless you are building for the Android Goldfish emulator say N here.
> +
> +if GOLDFISH
> +
> +config GOLDFISH_BUS
> +	tristate "Goldfish platform bus"
> +	---help---
> +	  This is a virtual bus to host Goldfish Android Virtual Devices.
> +
>  config GOLDFISH_PIPE
>  	tristate "Goldfish virtual device for QEMU pipes"
>  	---help---
>  	  This is a virtual device to drive the QEMU pipe interface used by
>  	  the Goldfish Android Virtual Device.
> +
> +endif # GOLDFISH
> diff --git a/drivers/platform/goldfish/Makefile b/drivers/platform/goldfish/Makefile
> index a002239..d348712 100644
> --- a/drivers/platform/goldfish/Makefile
> +++ b/drivers/platform/goldfish/Makefile
> @@ -1,5 +1,5 @@
>  #
>  # Makefile for Goldfish platform specific drivers
>  #
> -obj-$(CONFIG_GOLDFISH)	+=	pdev_bus.o
> +obj-$(CONFIG_GOLDFISH_BUS)	+= pdev_bus.o
>  obj-$(CONFIG_GOLDFISH_PIPE)	+= goldfish_pipe.o
> --
> 2.6.0.rc2.230.g3dd15c0


--
Alex Bennée
--
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