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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT 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 881E3C10F13 for ; Thu, 11 Apr 2019 07:33:19 +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 56DE221841 for ; Thu, 11 Apr 2019 07:33:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="s2WLYwtM"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="fLg83XbV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56DE221841 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=43QfiypruoxR8MFZjU2E31yifn9vb6rEntyp+1Zqwhg=; b=s2WLYwtMSKNCPu rxKav6ZbYFoezxwx6o4Ol5seakbTQsJNUJQtgZafaJyFcfDjSfcGTL17xfOeMQ1jO5Y8e/trqdxfb kj3DLKQ9vnApJuBw8REcPduB7a67Nlf8FVOi5zK49Z1tGsjN2RjeHqHBSpq2tpMtSYksj3Unkn6ar sa4VN8D7Q488MbJ7Ms9fefIZr+RgwvK5gUOQ3GfnQZzzrOxnZfOIo1GcY9qR/2hVhy0WMwwlZ/gjd 0yQRmhbHks2Dc/hqPGGIX2yMCM46KbuaEmxE/NqLZxAmJPC+yG8QM2eIGOFFLTNfEap0fvXXv9uAC 8Q/PJL228eJEfjszFMQg==; 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 1hEUCv-0006gx-K2; Thu, 11 Apr 2019 07:33:13 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hEUCs-0006gW-Lq for linux-arm-kernel@lists.infradead.org; Thu, 11 Apr 2019 07:33:11 +0000 Received: from dragon (98.142.130.235.16clouds.com [98.142.130.235]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6BCB520873; Thu, 11 Apr 2019 07:33:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554967990; bh=NCcfCY4N4CoHyMcW9kudU2EIXCOP7nfyguC23K4whBM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fLg83XbVn3lhiIZI/R6h2aaIxWbFA2famBGdUDi1kjAW43Nk7V1hIgNS8jb3QWMoG LKDSErJLle9BtIW1lr+BiP7N9kidEJKGu/IM2E+vZKA1DMUGcpLFl2MHIFNEoferTB hwwMc2RyVZmdm0Cq3Gj84JfVTkguiVpbgwxYc7q8= Date: Thu, 11 Apr 2019 15:32:53 +0800 From: Shawn Guo To: Anson Huang Subject: Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function Message-ID: <20190411073252.GC3050@dragon> References: <1554785675-8090-1-git-send-email-Anson.Huang@nxp.com> <1554785675-8090-2-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1554785675-8090-2-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190411_003310_724989_7691F4A5 X-CRM114-Status: UNSURE ( 9.61 ) X-CRM114-Notice: Please train this message. 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: "mark.rutland@arm.com" , "a.zummo@towertech.it" , "alexandre.belloni@bootlin.com" , "devicetree@vger.kernel.org" , "sboyd@kernel.org" , Daniel Baluta , "s.hauer@pengutronix.de" , "ulf.hansson@linaro.org" , "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , Peng Fan , "festevam@gmail.com" , Aisheng Dong , "linux-arm-kernel@lists.infradead.org" , "linux-rtc@vger.kernel.org" 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 Tue, Apr 09, 2019 at 04:59:55AM +0000, Anson Huang wrote: > The System Controller Firmware (SCFW) controls RTC, thermal > and WDOG etc., these resources' interrupt function are managed > by SCU. When any IRQ pending, SCU will notify Linux via MU general > interrupt channel #3, and Linux kernel needs to call SCU APIs > to get IRQ status and notify each module to handle the interrupt. > > Since there is no data transmission for SCU IRQ notification, so > doorbell mode is used for this MU channel, and SCU driver will > use notifier mechanism to broadcast to every module which registers > the SCU block notifier. > > Signed-off-by: Anson Huang > Reviewed-by: Dong Aisheng Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel