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Wed, 21 Jun 2023 06:35:42 -0700 From: Sumit Gupta To: , , , , CC: , , Subject: [Patch 4/4] memory: tegra: make icc_set_bw return zero if BWMGR not supported Date: Wed, 21 Jun 2023 19:05:26 +0530 Message-ID: <20230621133526.22492-4-sumitg@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230621133526.22492-1-sumitg@nvidia.com> References: <20230621133526.22492-1-sumitg@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF0000150A:EE_|SA3PR12MB8000:EE_ X-MS-Office365-Filtering-Correlation-Id: 10543ffb-133f-42e8-2ba4-08db725c73bb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(376002)(136003)(346002)(39860400002)(396003)(451199021)(40470700004)(36840700001)(46966006)(36860700001)(82310400005)(47076005)(478600001)(426003)(2616005)(107886003)(6666004)(54906003)(110136005)(336012)(83380400001)(7696005)(26005)(1076003)(2906002)(5660300002)(36756003)(40460700003)(70206006)(356005)(316002)(40480700001)(86362001)(70586007)(4326008)(82740400003)(8676002)(41300700001)(7636003)(8936002)(186003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jun 2023 13:36:00.5854 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 10543ffb-133f-42e8-2ba4-08db725c73bb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF0000150A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB8000 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Return zero from icc_set_bw() to MC client driver if MRQ_BWMGR_INT is not supported by the BPMP-FW. Currently, 'EINVAL' is returned which causes error message in client drivers even when the platform doesn't support scaling. Signed-off-by: Sumit Gupta --- drivers/memory/tegra/tegra234.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra23= 4.c index bc73be7fe143..07aba301a173 100644 --- a/drivers/memory/tegra/tegra234.c +++ b/drivers/memory/tegra/tegra234.c @@ -951,7 +951,7 @@ static int tegra234_mc_icc_set(struct icc_node *src, st= ruct icc_node *dst) return 0; =20 if (!mc->bwmgr_mrq_supported) - return -EINVAL; + return 0; =20 if (!mc->bpmp) { dev_err(mc->dev, "BPMP reference NULL\n"); @@ -998,7 +998,7 @@ static int tegra234_mc_icc_aggregate(struct icc_node *n= ode, u32 tag, u32 avg_bw, struct tegra_mc *mc =3D icc_provider_to_tegra_mc(p); =20 if (!mc->bwmgr_mrq_supported) - return -EINVAL; + return 0; =20 if (node->id =3D=3D TEGRA_ICC_MC_CPU_CLUSTER0 || node->id =3D=3D TEGRA_ICC_MC_CPU_CLUSTER1 || --=20 2.17.1