[PATCH] ARM: dts: tegra114: dalmore: fix the irq trigger type of Palmas MFD device

Stephen Warren swarren at wwwdotorg.org
Tue Jul 23 14:15:12 EDT 2013


On 07/23/2013 07:43 AM, Laxman Dewangan wrote:
> On Tuesday 23 July 2013 03:39 PM, Joseph Lo wrote:
>> The IRQ trigger type of Palmas MFD device (tps65913) is low-level
>> sensitive. The wrong configuration would cause an interrupt storm
>> when booting the system. Fixing it in DT with appropriate interrupt
>> type.

>> diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts

>>           palmas: tps65913 {
>>               compatible = "ti,palmas";
>>               reg = <0x58>;
>> -            interrupts = <0 86 0x4>;
>> +            interrupts = <0 86 0x8>;
> 
> This fails as GIC does not support the interrupt flag of 8.
...
> I did not get the interrupt storm and even interrupt is not working on tot.
> Two ways to resolve this:
> - Change the interrupt flag to 0 from 4. Or
> - Remove the nvidia,invert-interrupt; for PMC node.

Yes, use the PMIC property please.




More information about the linux-arm-kernel mailing list