Subject: [PATCH] ARM: dts: exynos4: Fix reg sizes of GIC

From: [email-masked] (Tomasz Figa)
Date: Tue, 10 Jun 2014 17:28:45 +0200

Hi Kukjin,

On 30.05.2014 20:18, Kukjin Kim wrote:
> On 05/30/14 20:41, Tomasz Figa wrote:
>> Hi,
>>
>> On 23.05.2014 16:39, Tomasz Figa wrote:
>>> This patch fixes reg entry sizes in GIC node that were not large enough
>>> to cover whole regions.
>>>
>>> Signed-off-by: Tomasz Figa<[email-masked]>
>>> ---
>>>   arch/arm/boot/dts/exynos4.dtsi | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
>>> index b8ece4b..fbaf426 100644
>>> --- a/arch/arm/boot/dts/exynos4.dtsi
>>> +++ b/arch/arm/boot/dts/exynos4.dtsi
>>> @@ -113,7 +113,7 @@
>>>   		compatible = "arm,cortex-a9-gic";
>>>   		#interrupt-cells =<3>;
>>>   		interrupt-controller;
>>> -		reg =<0x10490000 0x1000>,<0x10480000 0x100>;
>>> +		reg =<0x10490000 0x10000>,<0x10480000 0x10000>;
>>>   	};
>>>
>>>   	combiner: interrupt-controller at 10440000 {
>>>
>>
>> Ping.
>>
> Yeah, SZ_64K is used for GIC_CPU and GIC_DIST before moving on DT 
> support. Applied, but I need to check this is required for stable tree...

Not sure if you already managed, but I think it might not be necessary
in stable trees, as the (correct) static mapping is still there and it
causes ioremap() to return correctly mapped area, ignoring the length
specified in device tree.

Best regards,
Tomasz