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From: Nicolas Ferre <nicolas.ferre@atmel.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>,
	Guenter Roeck <linux@roeck-us.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm: atmel-hlcdc: Add dependency on ARM
Date: Mon, 26 Jan 2015 10:14:10 +0100	[thread overview]
Message-ID: <54C60562.700@atmel.com> (raw)
In-Reply-To: <20150124181500.43aca9cd@bbrezillon>

Le 24/01/2015 18:15, Boris Brezillon a écrit :
> Hi Guenter,
> 
> On Fri, 23 Jan 2015 12:44:10 -0800
> Guenter Roeck <linux@roeck-us.net> wrote:
> 
>> On 01/23/2015 12:03 PM, Boris Brezillon wrote:
>>> The atmel-hlcdc driver selects DRM_GEM_CMA_HELPER which makes use of
>>> symbols only available when HAVE_DMA_ATTRS is selected.
>>> Add a dependency on the ARM architecture which select this option.
>>>
>>> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
>>> ---
>>>   drivers/gpu/drm/atmel-hlcdc/Kconfig | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/atmel-hlcdc/Kconfig b/drivers/gpu/drm/atmel-hlcdc/Kconfig
>>> index 1a08562..99b4f06 100644
>>> --- a/drivers/gpu/drm/atmel-hlcdc/Kconfig
>>> +++ b/drivers/gpu/drm/atmel-hlcdc/Kconfig
>>> @@ -1,6 +1,6 @@
>>>   config DRM_ATMEL_HLCDC
>>>   	tristate "DRM Support for ATMEL HLCDC Display Controller"
>>> -	depends on DRM && OF && COMMON_CLK && MFD_ATMEL_HLCDC
>>> +	depends on DRM && OF && COMMON_CLK && MFD_ATMEL_HLCDC && ARM
>>
>> && HAVE_DMA_ATTRS
>>
>> might have been a bit less restrictive.
> 
> Actually I greped HAVE_DMA_ATTRS in the kernel source tree and
> apparently nobody directly depends on it, they all depend on one or
> several architectures instead.
> 
>> Are you sure this controller
>> is never used on any other architecture but arm, not even arm64 ?
> 
> Not that I know of, but maybe Nicolas can give some hints about the
> upcoming Atmel ARM64 processors (or the long awaited Atmel AVR 64 bits
> processor :-)).
> 
> More seriously, if Atmel ever decide to reuse this IP on a different
> architecture, I think we'll add an '&& (ARM || XXX)' condition to the
> depends on line.

Yes, it's not planned in the near future. So we can keep the "ARM"
restriction for now I think.

Bye,

>> Anyway, the xtensa:allmodconfig build is passing again with this patch
>> applied, so
>>
>> Tested-by: Guenter Roeck <linux@roeck-us.net>
>>
> 
> Thanks for reporting the bug and testing the fix.
> 
> Best Regards,
> 
> Boris
> 
> 
> 


-- 
Nicolas Ferre
_______________________________________________
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dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel

      reply	other threads:[~2015-01-26  9:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23  7:10 linux-next: Tree for Jan 23 Stephen Rothwell
2015-01-23 18:34 ` Guenter Roeck
2015-01-23 20:03   ` [PATCH] drm: atmel-hlcdc: Add dependency on ARM Boris Brezillon
2015-01-23 20:44     ` Guenter Roeck
2015-01-24 17:15       ` Boris Brezillon
2015-01-26  9:14         ` Nicolas Ferre [this message]

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