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Wed, 19 Feb 2020 15:32:36 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id AFB1210003D; Wed, 19 Feb 2020 15:32:31 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A59682BEC59; Wed, 19 Feb 2020 15:32:31 +0100 (CET) Received: from localhost (10.75.127.47) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 19 Feb 2020 15:32:31 +0100 From: Alexandre Torgue To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Linus Walleij Subject: [PATCH v3 1/2] irqchip/stm32: Add irq retrigger support Date: Wed, 19 Feb 2020 15:32:28 +0100 Message-ID: <20200219143229.18084-2-alexandre.torgue@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200219143229.18084-1-alexandre.torgue@st.com> References: <20200219143229.18084-1-alexandre.torgue@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-19_03:2020-02-19, 2020-02-19 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200219_063249_020952_402B565D X-CRM114-Status: GOOD ( 13.84 ) 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: marex@denx.de, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alexandre.torgue@st.com 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 This commit introduces retrigger support for stm32_ext_h chip. It consists to rise the GIC interrupt mapped to an EXTI line. Signed-off-by: Alexandre Torgue Tested-by: Marek Vasut diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index e00f2fa27f00..faa8482c8246 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -604,12 +604,24 @@ static void stm32_exti_h_syscore_deinit(void) unregister_syscore_ops(&stm32_exti_h_syscore_ops); } +static int stm32_exti_h_retrigger(struct irq_data *d) +{ + struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); + const struct stm32_exti_bank *stm32_bank = chip_data->reg_bank; + void __iomem *base = chip_data->host_data->base; + u32 mask = BIT(d->hwirq % IRQS_PER_BANK); + + writel_relaxed(mask, base + stm32_bank->swier_ofst); + + return 0; +} + static struct irq_chip stm32_exti_h_chip = { .name = "stm32-exti-h", .irq_eoi = stm32_exti_h_eoi, .irq_mask = stm32_exti_h_mask, .irq_unmask = stm32_exti_h_unmask, - .irq_retrigger = irq_chip_retrigger_hierarchy, + .irq_retrigger = stm32_exti_h_retrigger, .irq_set_type = stm32_exti_h_set_type, .irq_set_wake = stm32_exti_h_set_wake, .flags = IRQCHIP_MASK_ON_SUSPEND, -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel