From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Gaignard Subject: [PATCH v3 0/3] Make STM32 interrupt controller use hwspinlock Date: Mon, 17 Dec 2018 15:22:12 +0100 Message-ID: <20181217142215.17493-1-benjamin.gaignard@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, robh+dt@kernel.org, mark.rutland@arm.com, alexandre.torgue@st.com Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Benjamin Gaignard List-Id: devicetree@vger.kernel.org This series allow to protect STM32 interrupt controller configuration registers with a hwspinlock to avoid conflicting accesses between processors. version 3: - with bindings patch version 2: - rework hwspinlock locking sequence in stm32 irqchip to take care of the cases where hwspinlock node is disabled or not yet probed Benjamin Gaignard (3): dt-bindings: interrupt-controller: stm32: Document hwlock properties irqchip: stm32: protect configuration registers with hwspinlock ARM: dts: stm32: Add hwlock for irqchip on stm32mp157 .../interrupt-controller/st,stm32-exti.txt | 4 + arch/arm/boot/dts/stm32mp157c.dtsi | 1 + drivers/irqchip/irq-stm32-exti.c | 116 ++++++++++++++++++--- 3 files changed, 105 insertions(+), 16 deletions(-) -- 2.15.0