From patchwork Mon May 16 10:02:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Perttunen X-Patchwork-Id: 573121 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA540C4332F for ; Mon, 16 May 2022 10:02:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237910AbiEPKCn (ORCPT ); Mon, 16 May 2022 06:02:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229759AbiEPKCm (ORCPT ); Mon, 16 May 2022 06:02:42 -0400 Received: from mail.kapsi.fi (mail.kapsi.fi [IPv6:2001:67c:1be8::25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A67335594; Mon, 16 May 2022 03:02:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kapsi.fi; s=20161220; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=mTP9JKWbQi5X9Aiy3D3CFclT8K0qf8xcDbui6f15aq4=; b=tYWuzJTPm570yErOrshkxq+qSU qhC4yrbZSy+ywVt2mL+GJ/d5HBSjMmWIovQmSzwey85qWTqCLe1VPWox+yoS0y6MtWlGfc4o90X9P KoXzkwzsi0qWUnsgdc22S9w0D6i5CFiVytZukOzAswGzt3MSo2PVClTUvnO4KtJVg96D59mwt9b4o 2XIAzlNkhh8zMdxLNtmHTlUM1Vz0YGp/ffr3IX/6H1j7ZjaTrc/+o/2DcUulUiYUF1aSZjxsS7meV lPyYh3NVuQlpfW/XqQeJdcSxjiEtOdNpoRd8wLqx05r9DvhTBUUvxBc26//2EBTfHkA4Bh3sKJHmY j6WM/h9w==; Received: from 91-158-25-70.elisa-laajakaista.fi ([91.158.25.70] helo=toshino.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nqXYf-0005yU-NX; Mon, 16 May 2022 13:02:33 +0300 From: cyndis@kapsi.fi To: thierry.reding@gmail.com, jonathanh@nvidia.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Mikko Perttunen Subject: [PATCH v1 07/13] gpu: host1x: Allow reset to be missing Date: Mon, 16 May 2022 13:02:07 +0300 Message-Id: <20220516100213.1536571-8-cyndis@kapsi.fi> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220516100213.1536571-1-cyndis@kapsi.fi> References: <20220516100213.1536571-1-cyndis@kapsi.fi> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 91.158.25.70 X-SA-Exim-Mail-From: cyndis@kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Mikko Perttunen Host1x on Tegra234 does not have a software-controllable reset line. As such, don't bail out if we don't find one in the device tree. Signed-off-by: Mikko Perttunen --- drivers/gpu/host1x/dev.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 5a57165ab0f6..c28939850bf6 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -423,9 +423,6 @@ static int host1x_get_resets(struct host1x *host) return err; } - if (WARN_ON(!host->resets[1].rstc)) - return -ENOENT; - return 0; }