From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0C2BC43387 for ; Fri, 11 Jan 2019 15:52:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BD82A20700 for ; Fri, 11 Jan 2019 15:52:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Vd/NKONA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD82A20700 Authentication-Results: mail.kernel.org; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghz6d-0001F1-TA; Fri, 11 Jan 2019 15:52:23 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghz6a-0001Ea-Jk for linux-arm-kernel@lists.infradead.org; Fri, 11 Jan 2019 15:52:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6735E1596; Fri, 11 Jan 2019 07:52:19 -0800 (PST) Received: from [10.1.196.62] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0FB263F5AF; Fri, 11 Jan 2019 07:52:17 -0800 (PST) Subject: Re: [PATCH 1/1] irqchip: stm32-exti: add domain translate function To: Loic Pallardy , tglx@linutronix.de, jason@lakedaemon.net, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com References: <1547215132-85612-1-git-send-email-loic.pallardy@st.com> From: Marc Zyngier Openpgp: preference=signencrypt Autocrypt: addr=marc.zyngier@arm.com; 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Linux aarch64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <1547215132-85612-1-git-send-email-loic.pallardy@st.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190111_075220_658521_9A55765F X-CRM114-Status: GOOD ( 18.21 ) 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: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.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 On 11/01/2019 13:58, Loic Pallardy wrote: > Domain translate function is needed to recover irq > configuration parameters from DT node > > Signed-off-by: Loic Pallardy Surely this fixes something, right? Can you please add a Fixes: tag? > --- > drivers/irqchip/irq-stm32-exti.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c > index 6edfd4bfa169..717879028cc4 100644 > --- a/drivers/irqchip/irq-stm32-exti.c > +++ b/drivers/irqchip/irq-stm32-exti.c > @@ -819,9 +819,27 @@ static int __init stm32_exti_init(const struct stm32_exti_drv_data *drv_data, > return ret; > } > > +static int stm32_exti_h_translate(struct irq_domain *d, > + struct irq_fwspec *fwspec, > + unsigned long *out_hwirq, > + unsigned int *out_type) > +{ > + if (is_of_node(fwspec->fwnode)) { Is there any case where this wouldn't be true? i.e. an stm32 ACPI system? > + if (fwspec->param_count != 2) > + return -EINVAL; > + > + *out_hwirq = fwspec->param[0]; > + *out_type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK; > + return 0; > + } > + > + return -EINVAL; > +} Because otherwise, this is exactly what irq_domain_xlate_twocell() does. > + > static const struct irq_domain_ops stm32_exti_h_domain_ops = { > .alloc = stm32_exti_h_domain_alloc, > .free = irq_domain_free_irqs_common, > + .translate = stm32_exti_h_translate, > }; > > static int > Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel