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Wed, 21 Jun 2023 06:44:20 -0700 From: Sumit Gupta To: , , , , CC: , , Subject: [Patch RESEND 4/4] memory: tegra: make icc_set_bw return zero if BWMGR not supported Date: Wed, 21 Jun 2023 19:14:00 +0530 Message-ID: <20230621134400.23070-5-sumitg@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230621134400.23070-1-sumitg@nvidia.com> References: <20230621134400.23070-1-sumitg@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF00026367:EE_|MN0PR12MB6174:EE_ X-MS-Office365-Filtering-Correlation-Id: 96bcc264-de77-4a49-6955-08db725da0e0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: fK5SyRxRVz/imamLyoi0ypp8Qk0GnYWwsdpfQGml/pn7hWptPUTV4NuXdiID2KB4kN/Un1QCYjJmyirulIWlmEQ89Em1gmvhto9B/9CD2qrJ2/NtZyo7oeerSCJ932CiT++w2bKGURMULnCFOddy1XQLIlOmcdxfy6//93v8f8jGCITrU3yij2FVrfpkFU3ywAPXgingQORdpp6oxHcLMF87Dvg37ev8x65C15kYtJZeov5iIKIrkf9bhTYx4+PhjmsgylLSLkIjjyW64cTZ5MBHHAL/VRbGwRb3kJLVBqWkUcLp4P9K1DSHU8quBG8+a7PstqOXW925CeyIj8R+e9DMJd7LGR7uyOUOZd55E6PGd95dW7a8uG81kKjCsM2KzvDRB9kwJ+efRvYulUHdk6cZ/vByx8LnnxvJnUmNHdk5c5RiEm+NBsV9LE8Xm3EGXWQH+bEZ6I04RiSJ8Sn9i/XneuaFFRVfX/tnOvpTdCHGDazDlz+j8mr/M+9vCPy0tFqsh0Nxdmbg97y2EX9y8GO1B+D0NdcgxPm24GOPNkuIWnop9m1EjAveWrLMw2m0gx6Q0MXxpeCo0mHAaPsMbI5xtdZiwnsxsF/L1YEA8SthFTjzRmmwb4+y26lD465UFtgK7fgm5MX/PSZK/8BTemkgYb12JNkh/P3MbJ4QQVuOcKnpZp+PajjjVAxARKmAncRFPInSwcR09rTL8C24nBO+DOrjsGtsnMbJwcJi/ijn4t939OPCYwVuEy5a6wi5 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(396003)(346002)(376002)(136003)(451199021)(36840700001)(40470700004)(46966006)(8936002)(36756003)(82310400005)(70206006)(70586007)(8676002)(107886003)(1076003)(26005)(186003)(41300700001)(83380400001)(36860700001)(5660300002)(4326008)(82740400003)(316002)(54906003)(40460700003)(7696005)(7636003)(356005)(2616005)(6666004)(40480700001)(478600001)(2906002)(86362001)(336012)(426003)(110136005)(47076005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jun 2023 13:44:25.8393 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 96bcc264-de77-4a49-6955-08db725da0e0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF00026367.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6174 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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/tegra234.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, struct icc_node *dst) return 0; if (!mc->bwmgr_mrq_supported) - return -EINVAL; + return 0; if (!mc->bpmp) { dev_err(mc->dev, "BPMP reference NULL\n"); @@ -998,7 +998,7 @@ static int tegra234_mc_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, struct tegra_mc *mc = icc_provider_to_tegra_mc(p); if (!mc->bwmgr_mrq_supported) - return -EINVAL; + return 0; if (node->id == TEGRA_ICC_MC_CPU_CLUSTER0 || node->id == TEGRA_ICC_MC_CPU_CLUSTER1 || -- 2.17.1