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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Nov 2022 10:25:04.4315 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3771bb14-eaa2-45ca-0ce6-08dac7bcd3b1 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: DM6NAM11FT055.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6437 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no 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-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749648620216802689?= X-GMAIL-MSGID: =?utf-8?q?1749648620216802689?= SID override is programmed on-demand during probe_finalize() call of IOMMU which is done in tegra186_mc_client_sid_override() in this same file. This function does it more correctly by checking if write is permitted on SID override register. It also checks if SID override register is already written with correct value and skips re-writing it in that case. Also, on newer Tegra releases SID override programming is done by bootloader. Hence, removing the early boot SID override programming of all clients. Fixes: 393d66fd2cac ("memory: tegra: Implement SID override programming") Signed-off-by: Ashish Mhetre --- drivers/memory/tegra/tegra186.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index 62477e592bf5..870273d343d6 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -85,8 +85,6 @@ static int tegra186_mc_probe(struct tegra_mc *mc) if (err < 0) return err; - tegra186_mc_program_sid(mc); - return 0; }