linux-kernel - Re: [UPDATE][PATCH 4/4] GPU/i915: Fix acpi_bus_get_device() check in drivers/gpu/drm/i915/intel

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Date:	Fri, 1 Feb 2013 10:14:20 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	<daniel@...ll.ch>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Toshi Kani <toshi.kani@...com>,
	<dri-devel@...ts.freedesktop.org>
Subject: Re: [UPDATE][PATCH 4/4] GPU/i915: Fix acpi_bus_get_device() check
 in drivers/gpu/drm/i915/intel_opregion.c

2013/02/01 9:53, Yasuaki Ishimatsu wrote:
> 2013/02/01 9:50, Yasuaki Ishimatsu wrote:
>> 2013/01/31 19:03, Daniel Vetter wrote:
>>> On Thu, Jan 31, 2013 at 12:27:26PM +0900, Yasuaki Ishimatsu wrote:
>>>> I forgot to change subject. So I resend a patch.
>>>>
>>>> ---
>>>> acpi_bus_get_device() returns int not acpi_status.
>>>>
>>>> The patch change not to apply ACPI_FAILURE() to the return value of
>>>> acpi_bus_get_device().
>>>>
>>>> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
>>>
>>> I've tried to apply this to drm-intel-next-queued, but git am didn't
>>> really like your patch - it failed to apply. Can you please rebase to the
>>> drm-intel-next-queued branch from
>>>
>>> git://people.freedesktop.org/~danvet/drm-intel
>>>
>>> and please resubmit the patch, preferrably formatted with git
>>> format-patch?
>>
>> My mailer added a space in the patch. I updated the patch.
>> How abot it?
>>
>> ---
>> acpi_bus_get_device() returns int not acpi_status.
>>
>> The patch change not to apply ACPI_FAILURE() to the return value of
>> acpi_bus_get_device().
>>
>> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
>> ---
>>   drivers/gpu/drm/i915/intel_opregion.c |    2 +-
>>   1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
>> index 7741c22..4d33874 100644
>> --- a/drivers/gpu/drm/i915/intel_opregion.c
>> +++ b/drivers/gpu/drm/i915/intel_opregion.c
>> @@ -347,7 +347,7 @@ static void intel_didl_outputs(struct drm_device *dev)
>>       int i = 0;
>>
>>       handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev);
>> -    if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev)))
>> +    if (!handle || acpi_bus_get_device(handle, &acpi_dev))
>>           return;
>>
>>       if (acpi_is_video_device(acpi_dev))
>>
>
> Oops. My mailer added a space again...
> I'll check my mailer again.

I do not understand why space was added to the patch.
So I attached the patch. Please check it.

Thanks,
Yasuaki Ishimatsu

>
> Thanks,
> Yasuaki Ishimatsu
>
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View attachment "0001-RESEND-PATCH-4-4-GPU-i915-Fix-acpi_bus_get_device-ch.patch" of type "text/x-patch" (842 bytes)