On Tue, 3 Nov 2015, at 02:25 AM, Shannon Zhao wrote:
> Hi Graeme,
>
> On 2015/11/2 18:39, Graeme Gregory wrote:
> > According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute)
> > this attribute is compulsary on ARM systems. Add this attribute to
> > the PCI host bridges as required.
On 3 November 2015 at 09:08, Shannon Zhao wrote:
>
>
> On 2015/11/3 16:31, Graeme Gregory wrote:
>>
>>
>> On Tue, 3 Nov 2015, at 02:25 AM, Shannon Zhao wrote:
>>> Hi Graeme,
>>>
>>> On 2015/11/2 18:39, Graeme Gregory wrote:
According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribut
On 2015/11/3 16:31, Graeme Gregory wrote:
>
>
> On Tue, 3 Nov 2015, at 02:25 AM, Shannon Zhao wrote:
>> Hi Graeme,
>>
>> On 2015/11/2 18:39, Graeme Gregory wrote:
>>> According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute)
>>> this attribute is compulsary on ARM systems. Add thi
Hi Graeme,
On 2015/11/2 18:39, Graeme Gregory wrote:
> According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute)
> this attribute is compulsary on ARM systems. Add this attribute to
> the PCI host bridges as required.
>
To ACPI 5.1 this object is not compulsory and if not supplied
According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute)
this attribute is compulsary on ARM systems. Add this attribute to
the PCI host bridges as required.
Without this the kernel will produce the error
[Firmware Bug]: PCI device :00:00.0 fail to setup DMA.
Signed-off-by: Gra
