Received: by 2002:ac0:a582:0:0:0:0:0 with SMTP id m2-v6csp1052027imm; Thu, 4 Oct 2018 07:31:10 -0700 (PDT) X-Google-Smtp-Source: ACcGV62BEcOAMkGPb+mL3UoEGT8cZX/79d+PyOHSs8irHfXGjszmQ6au70m4/DXq/4EB4EMh0SKw X-Received: by 2002:a63:ea0e:: with SMTP id c14-v6mr5674844pgi.361.1538663470747; Thu, 04 Oct 2018 07:31:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1538663470; cv=none; d=google.com; s=arc-20160816; b=QQYBMmhMbTXj5QXIsUWK77dRBK22S5C/GaMKtHOWL7aFF42SNke7uGU85tvUTThcMl URcaVmAk8nSnBc2I7j0j8jmWA2sK7CMzEEFVUDKKWDJGCtm+BWcQZkBiPDszPchccz+G J6x39djx4FldxS2LaKmYQdY2rKTaCzS++6dNT+fFhRCry2mJMP0GK4kTTgEW0d1BCvR2 03VjV9ek/rIxmmK38Irx/jYz2VmVlKIZEHjPLsOenlrRi8lOkm2aCM4CYaMEONB6DMHZ QYczkW364Gq8GCrSOGtl1bfkqUJSDwGXmRHfKmCtq+/aOPbVMHJODYNPtl6WnExux1b7 Bd8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=5Al8/u2rwmnki2N9UszbhoOA62TRxz0sm1hN74I7q78=; b=vImKaOMtFyW011KYEtTubRsHXXDiLrUE2D29fS3Y/4xQhZPzfNPwXmdP0gbJFxISpZ bfulXUZviahQwLudfab4GOtT6uwvI8hmEV5/53xVG/B7XXpkKWUyMSmKC1RUfP//eWA0 31opS1CWgVtEPygyRG5LVZdU7fQAkn6Kn0W9NaX3zV8AndW6iAkjz6UxGYBDQi/t7Oru A3mWIo5NGFzNygPnDghx17TvNk9xELEEW7vPTzw5onR+872r9fwLk8BiJab4jQyen7rN dKNS2+hIed5wdEBKSDqZG29e0oxBxxJwcTTzMS93ujCjBFmVJNabxSBSC9GEClZhbjgA lEag== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x32-v6si5444522pld.323.2018.10.04.07.30.55; Thu, 04 Oct 2018 07:31:10 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727674AbeJDVX6 (ORCPT + 99 others); Thu, 4 Oct 2018 17:23:58 -0400 Received: from muru.com ([72.249.23.125]:58196 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727322AbeJDVX6 (ORCPT ); Thu, 4 Oct 2018 17:23:58 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 0943D8160; Thu, 4 Oct 2018 14:34:53 +0000 (UTC) Date: Thu, 4 Oct 2018 07:30:22 -0700 From: Tony Lindgren To: Aaro Koskinen Cc: Janusz Krzysztofik , linux-arm-kernel@lists.infradead.org, Dan Carpenter , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: OMAP1: ams-delta: Fix impossible .irq < 0 Message-ID: <20181004143021.GC5662@atomide.com> References: <20181001102453.GA18947@mwanda> <20181002094529.30564-1-jmkrzyszt@gmail.com> <20181002174745.GG3461@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181002174745.GG3461@darkstar.musicnaut.iki.fi> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Aaro Koskinen [181002 17:52]: > Hi, > > On Tue, Oct 02, 2018 at 11:45:29AM +0200, Janusz Krzysztofik wrote: > > Since the very beginning, unsigned int .irq member of struct > > plat_serial8250_port introduced by commit eff443df679e ("OMAP1: > > AMS_DELTA: add modem support") was statically initialized to a negative > > value -EINVAL. Moreover, commit 0812db943748 ("ARM: OMAP1: ams-delta: > > assign MODEM IRQ from GPIO descriptor") has introduced some new code > > which checks for that member carrying a negative value which is > > impossible. > > > > Use IRQ_NOTCONNECTED instead of -EINVAL. Also, drop the valueless check > > and let the modem device be registered regardless of .irq value, and > > the value handled by "serial8250" driver. > > > > Fixes: 0812db943748 ("ARM: OMAP1: ams-delta: assign MODEM IRQ from GPIO descriptor") > > Reported-by: Dan Carpenter > > Signed-off-by: Janusz Krzysztofik > > Acked-by: Aaro Koskinen Applying into omap-for-v4.20/omap1 thanks. Regards, Tony