Re: [PATCH v2t2 00/17] omap: mailbox:

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On Mon, May 24, 2010 at 12:29 PM, Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> wrote:
> From: ext Felipe Contreras <felipe.contreras@xxxxxxxxx>
> Subject: Re: [PATCH v2t2 00/17] omap: mailbox:
> Date: Mon, 24 May 2010 10:58:31 +0200
>
>> On Mon, May 24, 2010 at 9:36 AM, Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> wrote:
>>>>> Moreover, Tony says that anything that registers platform devices
>>>>> should be built-in, but omap3-iommu does register devices and is not
>>>>> built-in.
>>>>
>>>> It seems that this makes you confused. It should have been
>>>> build-in;). This is going to be integrated into omap hwmod framework
>>>> soon.
>>>
>>> For built-in part, it could be something like:
>>>
>>> From a09c2040e083f23a43232f97cb29b9aefc9c0d11 Mon Sep 17 00:00:00 2001
>>> From: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx>
>>> Date: Mon, 24 May 2010 09:35:11 +0300
>>> Subject: [PATCH 1/1] omap iommu: Make omap-iommu.o built-in
>>>
>>> This is a platform device registration.
>>>
>>> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx>
>>> ---
>>>  arch/arm/mach-omap2/Makefile |    5 ++++-
>>>  1 files changed, 4 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
>>> index 7d2cf0f..4d754f6 100644
>>> --- a/arch/arm/mach-omap2/Makefile
>>> +++ b/arch/arm/mach-omap2/Makefile
>>> @@ -89,7 +89,10 @@ obj-$(CONFIG_OMAP3_EMU)                      += emu.o
>>>  obj-$(CONFIG_OMAP_MBOX_FWK)            += mailbox_mach.o
>>>  mailbox_mach-objs                      := mailbox.o
>>>
>>> -obj-$(CONFIG_OMAP_IOMMU)               := iommu2.o omap-iommu.o
>>> +obj-$(CONFIG_OMAP_IOMMU)               := iommu2.o
>>> +
>>> +iommu-$(CONFIG_OMAP_IOMMU)             := omap-iommu.o
>>> +obj-y                                  += $(iommu-m) $(iommu-y)
>>>
>>>  i2c-omap-$(CONFIG_I2C_OMAP)            := i2c.o
>>>  obj-y                                  += $(i2c-omap-m) $(i2c-omap-y)
>>> --
>>
>> I would prefer this:
>> -obj-$(CONFIG_OMAP_IOMMU)               := iommu2.o omap-iommu.o
>> +obj-$(CONFIG_OMAP_IOMMU)               := iommu2.o
>> +
>> +ifneq ($(CONFIG_OMAP_IOMMU),)
>> +obj-y                                  += omap-iommu.o
>> +endif
>
> The above occupies 3 lines. I'd follow the current convention of this
> Makefile. There are five more similar ones, "obj-y += $(*-m) $(*-y)".

Ok. I tried to grep the whole kernel to find a convention outside of
omap Makefiles but it seems nobody is doing similar things, except in
fs/Makefile for NFSD where they do follow this convention.

-- 
Felipe Contreras
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