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Thu, 24 Oct 2019 13:14:34 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Subject: [PATCH v3 4/5] dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc Date: Thu, 24 Oct 2019 13:14:14 -0700 Message-Id: <20191024201415.23454-5-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191024201415.23454-1-f.fainelli@gmail.com> References: <20191024201415.23454-1-f.fainelli@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191024_131437_269170_89EB796C X-CRM114-Status: GOOD ( 12.24 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:342 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (f.fainelli[at]gmail.com) -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 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: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Florian Fainelli , Jason Cooper , Marc Zyngier , Rob Herring , "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." , Thomas Gleixner , "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Indicate that the brcm,int-fwd-mask property is optional and can be set on platforms which require to leave specific interrupts unmanaged by Linux and need to retain the firmware configuration. Acked-by: Rob Herring Signed-off-by: Florian Fainelli --- .../bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt index 4eb043270f5b..5ddef1dc0c1a 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt @@ -36,6 +36,12 @@ Optional properties: - brcm,irq-can-wake: If present, this means the L1 controller can be used as a wakeup source for system suspend/resume. +Optional properties: + +- brcm,int-fwd-mask: if present, a bit mask to indicate which interrupts + have already been configured by the firmware and should be left unmanaged. + This should have one 32-bit word per status/set/clear/mask group. + If multiple reg ranges and interrupt-parent entries are present on an SMP system, the driver will allow IRQ SMP affinity to be set up through the /proc/irq/ interface. In the simplest possible configuration, only one