From: Thomas Gleixner <tglx@linutronix.de>
To: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Cc: monstr@monstr.eu, jason@lakedaemon.net, marc.zyngier@arm.com,
linux-kernel@vger.kernel.org, michal.simek@xilinx.com,
linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Subject: Re: [Patch v7 6/7] irqchip: xilinx: Try to fall back if xlnx,kind-of-intr not provided
Date: Mon, 21 Nov 2016 16:48:23 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.20.1611211647260.15760@nanos> (raw)
In-Reply-To: <7f07be12-fb2e-e8ad-e0e6-52c58542470a@imgtec.com>
On Mon, 21 Nov 2016, Zubair Lutfullah Kakakhel wrote:
> On 11/18/2016 01:29 PM, Thomas Gleixner wrote:
> I'll elaborate on the commit message.
>
> The DT node in arch/powerpc for this driver is
>
> intc_0: interrupt-controller@81800000 {
> #interrupt-cells = <0x2>;
> compatible = "xlnx,xps-intc-1.00.a";
> interrupt-controller ;
> reg = < 0x81800000 0x10000 >;
> xlnx,num-intr-inputs = <0xc>;
> } ;
>
> The DT node in arch/microblaze for this driver is
>
> intc_0: interrupt-controller@81800000 {
> #interrupt-cells = <0x2>;
> compatible = "xlnx,xps-intc-1.00.a";
> interrupt-controller ;
> reg = < 0x81800000 0x10000 >;
> xlnx,kind-of-intr = <0x100>; //<Missing from ppc>!
> xlnx,num-intr-inputs = <0x9>;
> } ;
>
> The PPC driver assumes the kind-of-intr value be 0x0 and doesn't specify it in
> DT.
> This patch makes that a fall back case. Instead of completely error-ing out.
Ok. makes sense. I misread the changelog/patch.
Thanks,
tglx
next prev parent reply other threads:[~2016-11-21 15:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-14 12:13 [Patch v7 0/7] microblaze/PowerPC: Move irq-xilinx to irqchip Zubair Lutfullah Kakakhel
2016-11-14 12:13 ` [Patch v7 1/7] microblaze: irqchip: Move intc driver " Zubair Lutfullah Kakakhel
2016-11-15 12:22 ` Michal Simek
2016-11-14 12:13 ` [Patch v7 2/7] irqchip: xilinx: clean up print messages Zubair Lutfullah Kakakhel
2016-11-15 12:23 ` Michal Simek
2016-11-14 12:13 ` [Patch v7 3/7] irqchip: xilinx: restructure and use jump label api Zubair Lutfullah Kakakhel
2016-11-15 12:49 ` Michal Simek
2016-11-15 16:03 ` Zubair Lutfullah Kakakhel
2016-11-16 9:24 ` Michal Simek
2016-11-14 12:13 ` [Patch v7 4/7] irqchip: xilinx: Rename get_irq to xintc_get_irq Zubair Lutfullah Kakakhel
2016-11-15 12:24 ` Michal Simek
2016-11-14 12:13 ` [Patch v7 5/7] irqchip: xilinx: Add support for parent intc Zubair Lutfullah Kakakhel
2016-11-14 12:13 ` [Patch v7 6/7] irqchip: xilinx: Try to fall back if xlnx,kind-of-intr not provided Zubair Lutfullah Kakakhel
2016-11-15 12:26 ` Michal Simek
2016-11-18 13:29 ` Thomas Gleixner
2016-11-21 14:05 ` Zubair Lutfullah Kakakhel
2016-11-21 14:17 ` Marc Zyngier
2016-11-21 14:36 ` Zubair Lutfullah Kakakhel
2016-11-21 15:48 ` Thomas Gleixner [this message]
2016-11-14 12:13 ` [Patch v7 7/7] powerpc/virtex: Use generic xilinx irqchip driver Zubair Lutfullah Kakakhel
2016-11-15 12:28 ` Michal Simek
2016-11-22 10:55 ` [Patch v7 0/7] microblaze/PowerPC: Move irq-xilinx to irqchip Marc Zyngier
2016-11-22 11:10 ` Zubair Lutfullah Kakakhel
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