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Mon, 05 Oct 2020 14:33:01 +0100 From: Marc Zyngier To: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: tegra: Fix GIC400 missing GICH/GICV register regions Date: Mon, 5 Oct 2020 14:32:56 +0100 Message-Id: <20201005133256.1390543-1-maz@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, thierry.reding@gmail.com, jonathanh@nvidia.com, nkristam@nvidia.com, skomatineni@nvidia.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201005_093304_461591_590073E5 X-CRM114-Status: GOOD ( 15.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sowjanya Komatineni , kernel-team@android.com, Thierry Reding , Nagarjuna Kristam , Jonathan Hunter Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org GIC400 has full support for virtualization, and yet the tegra186 DT doesn't expose the GICH/GICV regions (despite exposing the maintenance interrupt that only makes sense for virtualization). Add the missing regions, based on the hunch that the HW doesn't use the CPU build-in interfaces, but instead the external ones provided by the GIC. KVM's virtual GIC now works with this change. Signed-off-by: Marc Zyngier --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 8eb61dd9921e..fd44545e124d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -630,7 +630,9 @@ gic: interrupt-controller@3881000 { #interrupt-cells = <3>; interrupt-controller; reg = <0x0 0x03881000 0x0 0x1000>, - <0x0 0x03882000 0x0 0x2000>; + <0x0 0x03882000 0x0 0x2000>, + <0x0 0x03884000 0x0 0x2000>, + <0x0 0x03886000 0x0 0x2000>; interrupts = ; interrupt-parent = <&gic>; -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel