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Mon, 03 Dec 2018 09:40:35 -0800 (PST) From: Fabio Estevam To: shawnguo@kernel.org Subject: [PATCH 1/2] ARM: dts: imx6ul: Correct mask for GIC PPI interrupts Date: Mon, 3 Dec 2018 15:40:19 -0200 Message-Id: <1543858820-3354-1-git-send-email-festevam@gmail.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181203_094048_081425_1E937256 X-CRM114-Status: GOOD ( 15.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, marc.zyngier@arm.com, liviu.dudau@arm.com, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, Fabio Estevam , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The GIC_CPU_MASK_SIMPLE() macro should take as its argument the actual number of CPU cores the interrupt controller is wired to. i.MX6UL contains a single Cortex-A7, hence the second interrupt specifier cell for Private Peripheral Interrupts should use "GIC_CPU_MASK_SIMPLE(1)". Tested on a imx6ul-evk. Signed-off-by: Fabio Estevam --- Hi, This is based on the following commit: commit 2acb79e15119512da9b6a49906840e7678cfb618 Author: Geert Uytterhoeven Date: Mon May 7 15:19:52 2018 +0200 ARM: dts: r8a7790: Correct mask for GIC PPI interrupts R-Car H2 (r8a7790) contains four Cortex-A15 and four Cortex-A7 cores, hence the second interrupt specifier cell for Private Peripheral Interrupts should use "GIC_CPU_MASK_SIMPLE(8)", to make sure interrupts can be delivered to all 8 processor cores. Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman and the confirmation from Liviu Dudau that GIC_CPU_MASK_SIMPLE() should take the number of cores in the system as the argument: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/315298.html arch/arm/boot/dts/imx6ul.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 99c3663..0efc85f 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -94,7 +94,7 @@ intc: interrupt-controller@a01000 { compatible = "arm,gic-400", "arm,cortex-a7-gic"; - interrupts = ; + interrupts = ; #interrupt-cells = <3>; interrupt-controller; interrupt-parent = <&intc>; @@ -106,10 +106,10 @@ timer { compatible = "arm,armv7-timer"; - interrupts = , - , - , - ; + interrupts = , + , + , + ; interrupt-parent = <&intc>; status = "disabled"; }; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel