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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 64F02CA9EAB for ; Sat, 19 Oct 2019 20:25:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 356C6222BD for ; Sat, 19 Oct 2019 20:25:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dWhMVZR6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726181AbfJSUYR (ORCPT ); Sat, 19 Oct 2019 16:24:17 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:39721 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726129AbfJSUYQ (ORCPT ); Sat, 19 Oct 2019 16:24:16 -0400 Received: by mail-wm1-f67.google.com with SMTP id v17so9103177wml.4 for ; Sat, 19 Oct 2019 13:24:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Y7m956o0kMuo/g9lESMhxXhm/hsWQOul6vryxA8/gSg=; b=dWhMVZR6m9wkxDNwnDCb2mPO5qfGJl3KYlO5YtVqJVgRKtg6CECDuV2osJloKb6H4u SreZ98z3Fh/dyVCdsRptwIL/dlbnl7EWyY8bEIEdegi0llnkA0aKjLo+xU/9DH/nvTop yiuHN8OwlISKpoeagYgGmDYmIPXsnz52GKdPkX9/q2wGy985Ox2ommS+QqQRlZdNP9cA ozHXMeQG0OmHHEXOgISE5iUwJ2xRBbSSCCOcXIHil9IvnYi3YPFb9OM7kF/lUnN3wnzN hyHlNpXVo60ePT/B2l+gN/3Ewx0TaKgOfRP19+eJQXwvAyfmgpD0a7duvqDJN8Ag78bw rCTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Y7m956o0kMuo/g9lESMhxXhm/hsWQOul6vryxA8/gSg=; b=Idlw2mL/OZlHqHvmllcmC9ADMjerd1HByK7+An82CG5vmwROzyW6O8yKek457TOcCB dTYxpEZMVGyNdLuVkW7EwW4809BK5ITYMKq432dA86cGsJrvBetXHg/s407tk3Sw7UFN m68etHD3jE9ZexMLs6SXe+8fjAn/hc0w7O2d4fxse34HHEtovBGClkzkzsEeeXtxXd7Y 0VbG8VimSuCUOr+dyOhz0X4aNlvNLsUKA959xECVpgsb8scVWlraWs5Qfmg+4aK/VsaV 177W56fFFCRBhNWw62gS1UJ5NlDgidTTaN2adDTM0kIRIMG0E0JB8aB4MN6HFOVoX/er n3EA== X-Gm-Message-State: APjAAAXMuNV2ztu9HwgKqIBdQn5byarfzTjKjoRxvHlzBuZMCLcFHPz1 FEoNEahPVjRNqPxMwzrlQsYqQX6S X-Google-Smtp-Source: APXvYqyg1y/qKEhIuOlxr935NXWXi2qDmFTwGT5UOLQLyDwTElLeZL4sHKrZnrpcwxkSA8EY+grDkA== X-Received: by 2002:a1c:1a4c:: with SMTP id a73mr12543944wma.124.1571516654450; Sat, 19 Oct 2019 13:24:14 -0700 (PDT) Received: from giga-mm ([62.68.26.146]) by smtp.gmail.com with ESMTPSA id a9sm12563301wmf.14.2019.10.19.13.24.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Oct 2019 13:24:13 -0700 (PDT) Date: Sat, 19 Oct 2019 22:24:13 +0200 From: Alexander Sverdlin To: Arnd Bergmann Cc: Hubert Feurstein , Hartley Sweeten , "linux-kernel@vger.kernel.org" , Linux ARM , Lukasz Majewski Subject: Re: [PATCH 2/6] ARM: ep93xx: enable SPARSE_IRQ Message-Id: <20191019222413.52f7b79369d085c4ce29bc23@gmail.com> In-Reply-To: References: <20191018163047.1284736-1-arnd@arndb.de> <20191018163047.1284736-2-arnd@arndb.de> <20191019184234.4cdb37a735fe632528880d76@gmail.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! On Sat, 19 Oct 2019 22:08:40 +0200 Arnd Bergmann wrote: > > # cat /proc/interrupts > > CPU0 > > 39: 146 VIC 7 Edge eth0 > > 51: 162161 VIC 19 Edge ep93xx timer > > 52: 139 VIC 20 Edge uart-pl010 > > 53: 4 VIC 21 Edge ep93xx-spi > > 60: 0 VIC 28 Edge ep93xx-i2s > > Err: 0 > > I guess that is partial success: some irqs do work ;-) Yep, VIC1 is working, while VIC0 is not. > The two interrupts that did not get registered are for the > dmaengine driver, and that makes sense given the error > message about the DMA not working. No idea how > that would be a result of the irq changes though. Seems, that it has exposed some incompatibilities of starting IRQ 0 in EP93xx platform fir VIC0 and VIC code itself, which assumes 0 means "auto assignment" (refer to vic_init()). But there are more problems I didn't resolve yet. -- Alexander Sverdlin. 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Sat, 19 Oct 2019 13:24:13 -0700 (PDT) Date: Sat, 19 Oct 2019 22:24:13 +0200 From: Alexander Sverdlin To: Arnd Bergmann Subject: Re: [PATCH 2/6] ARM: ep93xx: enable SPARSE_IRQ Message-Id: <20191019222413.52f7b79369d085c4ce29bc23@gmail.com> In-Reply-To: References: <20191018163047.1284736-1-arnd@arndb.de> <20191018163047.1284736-2-arnd@arndb.de> <20191019184234.4cdb37a735fe632528880d76@gmail.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-unknown-linux-gnu) Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191019_132420_093614_20859F71 X-CRM114-Status: GOOD ( 10.89 ) 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: Hubert Feurstein , Hartley Sweeten , "linux-kernel@vger.kernel.org" , Linux ARM , Lukasz Majewski 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 Hi! On Sat, 19 Oct 2019 22:08:40 +0200 Arnd Bergmann wrote: > > # cat /proc/interrupts > > CPU0 > > 39: 146 VIC 7 Edge eth0 > > 51: 162161 VIC 19 Edge ep93xx timer > > 52: 139 VIC 20 Edge uart-pl010 > > 53: 4 VIC 21 Edge ep93xx-spi > > 60: 0 VIC 28 Edge ep93xx-i2s > > Err: 0 > > I guess that is partial success: some irqs do work ;-) Yep, VIC1 is working, while VIC0 is not. > The two interrupts that did not get registered are for the > dmaengine driver, and that makes sense given the error > message about the DMA not working. No idea how > that would be a result of the irq changes though. Seems, that it has exposed some incompatibilities of starting IRQ 0 in EP93xx platform fir VIC0 and VIC code itself, which assumes 0 means "auto assignment" (refer to vic_init()). But there are more problems I didn't resolve yet. -- Alexander Sverdlin. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel