From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM: dts: tegra114: dalmore: fix the irq trigger type of Palmas MFD device
Date: Tue, 23 Jul 2013 11:15:12 -0700 [thread overview]
Message-ID: <51EEC830.9000407@wwwdotorg.org> (raw)
In-Reply-To: <51EE968B.1050103@nvidia.com>
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.
next prev parent reply other threads:[~2013-07-23 18:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 10:09 [PATCH] ARM: dts: tegra114: dalmore: fix the irq trigger type of Palmas MFD device Joseph Lo
2013-07-23 14:43 ` Laxman Dewangan
2013-07-23 18:15 ` Stephen Warren [this message]
2013-07-24 6:56 ` Joseph Lo
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