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=-0.6 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 113DFC04AB6 for ; Fri, 31 May 2019 11:59:14 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (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 BF8192687C for ; Fri, 31 May 2019 11:59:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="T/dE8ByO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF8192687C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=fail smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.91) (envelope-from ) id 1hWgB9-00035s-Ue; Fri, 31 May 2019 07:58:35 -0400 Received: from mail-lj1-x236.google.com ([2a00:1450:4864:20::236]) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1hWgB8-00035k-Tn for kernelnewbies@kernelnewbies.org; Fri, 31 May 2019 07:58:35 -0400 Received: by mail-lj1-x236.google.com with SMTP id r76so9324873lja.12 for ; Fri, 31 May 2019 04:58:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=VWyt3v+m5HeHN1RPrP0XZGK8GQIedb2luZ0R2VsySbY=; b=T/dE8ByOayCUOmONg+SodP//00tSG6i+1mvge+NSrS0fC+VNxwGQlXDAqFLj19QSV+ YtzK0uu09/Ga9OA8Ckpig2LRKKP45223n5pal0J2756FgSEiS0Y8lnvGTddyiRA7MYWm FuC2Zo9B3O/gXS25z59BClJdSNm6Irn+Q53JQQONAtvs8DoyQyKyDwOsMCCUZu9PPMBc tUt8ls/rQf2jEcDfYjEsbCUq7EMhg3dXohTVv3MNMzgnD76E6uBzkBzH5gscL1JeWkTm 9JYZtFjyUAbc1sRZW7OPwQ8R3TQb7e02uRWtKiShU1oOVq+DRrTUK+hGckeNt1CerBLs nW5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=VWyt3v+m5HeHN1RPrP0XZGK8GQIedb2luZ0R2VsySbY=; b=NM6/iy/c+/aFN/wTDAIOdTLKZZCgNRop1E/hjW9hdkY9bumKeM8IWrQlmWJODOfjYp 4CGkjciHKprb74ccYHF3BumAfeEAvlXsHEXyvuJaXZ0aIoc8qN911rN3980DDiQSYUB9 2TEvl+bz2UVRD/LUiiN0qmym9EXZ+Om4PlIgr57RjKljpLkAQjmGrRzht1/NRSXCIF2a TWW7VaLfA0C2Geyr17Ne8sOQh8szgENapZvFTRNG3zmFuynGIHn4ZNtLjC84Cd9mdHF9 SuOlYZpCNVxTBMmpVsoTUhwDXGJ25FWFzM0dsfEAf9HXeIXccuU2zEKaUFIcjAW14cls Rqig== X-Gm-Message-State: APjAAAVQ5ZZda+Rx+k5jxR6fkY7/w/ZbuDT5RudRhBCQUOw/3cqcH1b5 O+9pQw18nCRvoGNxuuQjDbK287jBQkPZFubMbI2kxRlB X-Google-Smtp-Source: APXvYqzAeGxwgXTipj0+IbMpn0RjuZWlEynQgypFQwSEUxrjIJbHRsrv6B8fmuOek3Z8CCEhptC3f8uVBtGZL2t6WcE= X-Received: by 2002:a2e:9983:: with SMTP id w3mr5529397lji.58.1559303911841; Fri, 31 May 2019 04:58:31 -0700 (PDT) MIME-Version: 1.0 From: Gaurav Pathak Date: Fri, 31 May 2019 17:27:55 +0530 Message-ID: Subject: GPIO IRQ for Meson gxbb To: kernelnewbies@kernelnewbies.org X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org Hello, I am currently trying to use GPIO IRQ on Odroid-C2 board. I have compiled a working image having Linux Kernel 5.0.6. It has Pin-control driver and Interrupt Controller driver enabled. However, I am not getting any idea as to how should I request IRQ for a particular GPIO pin say for e.g. GPIOX.10. The "gpio_to_irq()" call is not working and it is returning "-6". I don't want to write a platform driver, I just want to write a simple out of tree character driver. I tried to get an idea from "drivers/gpio/", but they all seems to be platform driver. I would be really helpful if anyone can point me to a working gpio IRQ example for Linux 5.0.6 kernel. Thanks, Gaurav Pathak _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies