From patchwork Mon Jun 27 14:20:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Perttunen X-Patchwork-Id: 1648979 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=kapsi.fi header.i=@kapsi.fi header.a=rsa-sha256 header.s=20161220 header.b=W6sqRIxx; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4LWqdw2cZ1z9sGY for ; Tue, 28 Jun 2022 00:21:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237102AbiF0OVD (ORCPT ); Mon, 27 Jun 2022 10:21:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237003AbiF0OUo (ORCPT ); Mon, 27 Jun 2022 10:20:44 -0400 Received: from mail.kapsi.fi (mail.kapsi.fi [IPv6:2001:67c:1be8::25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0B3511440; Mon, 27 Jun 2022 07:20:41 -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=W6sqRIxxffo0n30C1l7/fNRAmD BZCgVLH7F8ugAgt15IDudG2LwMVm2HLIjKFSNyo/RGTwsxeZXFJuOwqUyFrEklUIsBK2nEvjvAc1B VRu8xBrK0DEHlJWwrhrJ+bYeuLw1dkxoX3ZNJCUlTE8QzZY2PsM2CiwcmqPFEQ94jv2OxUpqw9rMA IyUwyct/W6JSoFHxz1+s+RqM68+yQouW16bHIRz2JgHZG+Kapnp2JMbP2OXTPBlUQbTSgX5+yHU39 nB3V9Xw3uHjNIWG92tIrOqpRyke+NRKYKJ3OBpHGz/29ZHzwfjt7tqXUWbklh2Zu5PTYIvUkplE3/ rRctnsPQ==; Received: from 91-158-25-70.elisa-laajakaista.fi ([91.158.25.70] helo=toshino.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1o5pbO-003N2J-7w; Mon, 27 Jun 2022 17:20:33 +0300 From: Mikko Perttunen To: Rob Herring , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Dmitry Osipenko Cc: Mikko Perttunen , Robin Murphy , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7/v3 16/22] gpu: host1x: Allow reset to be missing Date: Mon, 27 Jun 2022 17:20:02 +0300 Message-Id: <20220627142008.2072474-17-cyndis@kapsi.fi> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220627142008.2072474-1-cyndis@kapsi.fi> References: <20220627142008.2072474-1-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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@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; }