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From: Lucas Stach <l.stach@pengutronix.de>
To: Oleksij Rempel <o.rempel@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	Fabio Estevam <fabio.estevam@nxp.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org, kernel@pengutronix.de,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1] ARM: dts: imx6sx: fix irq for pcie bridge
Date: Thu, 14 Jun 2018 12:28:42 +0200	[thread overview]
Message-ID: <1528972122.21021.38.camel@pengutronix.de> (raw)
In-Reply-To: <20180614094527.25905-1-o.rempel@pengutronix.de>

Am Donnerstag, den 14.06.2018, 11:45 +0200 schrieb Oleksij Rempel:
> Without this patch MSI interrupts are not routed from Intel
> i350 PCIe adapter.

This has nothing to do with the attached endpoint device, so the commit
message should read something like:

Use the correct IRQ line for the MSI controller in the PCIe host
controller. Apparently a different IRQ line is used compared to other
i.MX6 variants. Without this change MSI IRQs aren't properly propagated
to the the upstream interrupt controller.

With this fixed:
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  arch/arm/boot/dts/imx6sx.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
> index 49c7205b8db8..77fdad65e2bb 100644
> --- a/arch/arm/boot/dts/imx6sx.dtsi
> +++ b/arch/arm/boot/dts/imx6sx.dtsi
> @@ -1351,7 +1351,7 @@
> >  			ranges = <0x81000000 0 0          0x08f80000 0 0x00010000 /* downstream I/O */
> >  				  0x82000000 0 0x08000000 0x08000000 0 0x00f00000>; /* non-prefetchable memory */
> >  			num-lanes = <1>;
> > -			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
> > +			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> >  			interrupt-names = "msi";
> >  			#interrupt-cells = <1>;
> >  			interrupt-map-mask = <0 0 0 0x7>;

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      reply	other threads:[~2018-06-14 10:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-14  9:45 [PATCH v1] ARM: dts: imx6sx: fix irq for pcie bridge Oleksij Rempel
2018-06-14 10:28 ` Lucas Stach [this message]

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