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Message-ID: <AANLkTimz7P9D6HKe1JN2ihg4TVsaDJ3y255CP3b0FJsT@mail.gmail.com>
Date: Mon, 14 Mar 2011 12:49:17 -0700
From: Mike Waychison <mikew@...gle.com>
To: Greg KH <greg@...ah.com>
Cc: Matt Domsch <Matt_Domsch@...l.com>,
Alan Cox <alan@...rguk.ukuu.org.uk>,
Duncan Laurie <dlaurie@...gle.com>,
Aaron Durbin <adurbin@...gle.com>, x86@...nel.org,
linux-kernel@...r.kernel.org, Tim Hockin <thockin@...gle.com>,
San Mehat <san@...gle.com>
Subject: Re: [PATCH v2 10/12] Introduce CONFIG_GOOGLE_FIRMWARE
On Mon, Mar 14, 2011 at 8:45 AM, Greg KH <greg@...ah.com> wrote:
> On Fri, Mar 11, 2011 at 05:43:47PM -0800, Mike Waychison wrote:
>> In order to keep Google's firmware drivers organized amongst themselves,
>> create a new directory for them to live in. As well, all Google
>> firmware drivers are gated on CONFIG_GOOGLE_FIRMWARE=y, which defaults
>> to 'n' in the kernel build.
>
> Everything defaults to 'n' in the kernel build system, so this really
> isn't a big deal :)
Well, I was hoping that we could have options gating on
CONFIG_GOOGLE_FIRMWARE, but default to 'y'. This makes our lives a
bit easier as it means we have a single switch we need to enable on
our side and all the options we care about (presumably all
google-specific drivers) get enabled.
If you have strong objections to this, I can flip the default values
of the specific config options to 'n' as well though...
>
>>
>> Signed-off-by: Mike Waychison <mikew@...gle.com>
>> ---
>> drivers/firmware/Kconfig | 2 ++
>> drivers/firmware/Makefile | 2 ++
>> drivers/firmware/google/Kconfig | 14 ++++++++++++++
>> drivers/firmware/google/Makefile | 1 +
>> 4 files changed, 19 insertions(+), 0 deletions(-)
>> create mode 100644 drivers/firmware/google/Kconfig
>> create mode 100644 drivers/firmware/google/Makefile
>>
>> diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
>> index e710424..d848b26 100644
>> --- a/drivers/firmware/Kconfig
>> +++ b/drivers/firmware/Kconfig
>> @@ -134,4 +134,6 @@ config ISCSI_IBFT
>> detect iSCSI boot parameters dynamically during system boot, say Y.
>> Otherwise, say N.
>>
>> +source "drivers/firmware/google/Kconfig"
>> +
>> endmenu
>> diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
>> index 1c3c173..6f68007 100644
>> --- a/drivers/firmware/Makefile
>> +++ b/drivers/firmware/Makefile
>> @@ -11,3 +11,5 @@ obj-$(CONFIG_DMIID) += dmi-id.o
>> obj-$(CONFIG_ISCSI_IBFT_FIND) += iscsi_ibft_find.o
>> obj-$(CONFIG_ISCSI_IBFT) += iscsi_ibft.o
>> obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o
>> +
>> +obj-$(CONFIG_GOOGLE_FIRMWARE) += google/
>> diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig
>> new file mode 100644
>> index 0000000..7834729
>> --- /dev/null
>> +++ b/drivers/firmware/google/Kconfig
>> @@ -0,0 +1,14 @@
>> +config GOOGLE_FIRMWARE
>> + bool "Google Firmware Drivers"
>> + depends on X86
>> + default n
>> + help
>> + These firmware drivers are used by Google's servers. They are
>> + only useful if you are working directly on one of their
>> + proprietary servers or implementing similar firmware
>> + interfaces. If in doubt, say "N".
>
> How about dropping the "or implementing..." part of this sentance, as
> that leaves a lot open for some people to justify enabling this option
> for their machines, when it really isn't true at all at this point in
> time.
>
OK.
--
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