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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 34B46C433F5 for ; Fri, 24 Sep 2021 12:49:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D469610CF for ; Fri, 24 Sep 2021 12:49:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344083AbhIXMu7 (ORCPT ); Fri, 24 Sep 2021 08:50:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:45816 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343871AbhIXMtR (ORCPT ); Fri, 24 Sep 2021 08:49:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 654DA610CF; Fri, 24 Sep 2021 12:47:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632487664; bh=ckDzZx/F0M8XMpGOU1duiUOy/wn6eUR0XqvN7lA37a4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QBB+SNGpCQ2kcEjb/OaJXp36iiuGgAB8peD01DRqNRMoO7FrZMRNME+JWIgwFeeUu gCS6M9caIrE1lLbKd+bxRQ8rTjtXerIgmc9uG7WmsgKiPk4z+2ikRW7S77Bx3EKc8v AQsbwJ+5g4HJitiM4VXZwNNJLoOidR6ZnV0xQvCg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guenter Roeck , Ben Skeggs , David Airlie , Daniel Vetter , Linus Torvalds Subject: [PATCH 4.14 27/27] drm/nouveau/nvkm: Replace -ENOSYS with -ENODEV Date: Fri, 24 Sep 2021 14:44:21 +0200 Message-Id: <20210924124330.085401985@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210924124329.173674820@linuxfoundation.org> References: <20210924124329.173674820@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Guenter Roeck commit e8f71f89236ef82d449991bfbc237e3cb6ea584f upstream. nvkm test builds fail with the following error. drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c: In function 'nvkm_control_mthd_pstate_info': drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c:60:35: error: overflow in conversion from 'int' to '__s8' {aka 'signed char'} changes value from '-251' to '5' The code builds on most architectures, but fails on parisc where ENOSYS is defined as 251. Replace the error code with -ENODEV (-19). The actual error code does not really matter and is not passed to userspace - it just has to be negative. Fixes: 7238eca4cf18 ("drm/nouveau: expose pstate selection per-power source in sysfs") Signed-off-by: Guenter Roeck Cc: Ben Skeggs Cc: David Airlie Cc: Daniel Vetter Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c @@ -57,7 +57,7 @@ nvkm_control_mthd_pstate_info(struct nvk args->v0.count = 0; args->v0.ustate_ac = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE; args->v0.ustate_dc = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE; - args->v0.pwrsrc = -ENOSYS; + args->v0.pwrsrc = -ENODEV; args->v0.pstate = NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN; }