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Tue, 5 Sep 2023 09:36:26 -0700 From: Kartik To: , , , , , , , , , , , , , , , Subject: [PATCH v2 3/6] soc/tegra: fuse: Add function to add lookups Date: Tue, 5 Sep 2023 18:28:21 +0530 Message-ID: <20230905125824.2947-4-kkartik@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230905125824.2947-1-kkartik@nvidia.com> References: <20230905125824.2947-1-kkartik@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002636D:EE_|DS0PR12MB7584:EE_ X-MS-Office365-Filtering-Correlation-Id: cc39bec0-7b58-4129-96c1-08dbae2e541c 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:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(39860400002)(396003)(346002)(136003)(376002)(451199024)(82310400011)(186009)(1800799009)(36840700001)(40470700004)(46966006)(110136005)(41300700001)(70586007)(70206006)(36860700001)(2616005)(26005)(1076003)(6666004)(478600001)(356005)(316002)(82740400003)(921005)(7636003)(8676002)(5660300002)(8936002)(47076005)(86362001)(426003)(2906002)(336012)(83380400001)(36756003)(40460700003)(40480700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Sep 2023 16:37:00.4383 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cc39bec0-7b58-4129-96c1-08dbae2e541c 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: SN1PEPF0002636D.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7584 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add helper function tegra_fuse_add_lookups() to register Tegra fuse nvmem lookups. So, this can be shared between tegra_fuse_init() and ACPI probe, which is to be introduced later. Signed-off-by: Kartik --- drivers/soc/tegra/fuse/fuse-tegra.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index a2c28f493a75..821bb485ec45 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -113,6 +113,24 @@ static void tegra_fuse_restore(void *base) fuse->clk = NULL; } +static int tegra_fuse_add_lookups(struct tegra_fuse *fuse) +{ + size_t size; + + if (!fuse->soc->lookups) + return 0; + + size = size_mul(sizeof(*fuse->lookups), fuse->soc->num_lookups); + + fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL); + if (!fuse->lookups) + return -ENOMEM; + + nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); + + return 0; +} + static int tegra_fuse_probe(struct platform_device *pdev) { void __iomem *base = fuse->base; @@ -407,6 +425,7 @@ static int __init tegra_init_fuse(void) const struct of_device_id *match; struct device_node *np; struct resource regs; + int err; tegra_init_apbmisc(); @@ -504,12 +523,10 @@ static int __init tegra_init_fuse(void) pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n", tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id); - if (fuse->soc->lookups) { - size_t size = sizeof(*fuse->lookups) * fuse->soc->num_lookups; - - fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL); - if (fuse->lookups) - nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); + err = tegra_fuse_add_lookups(fuse); + if (err) { + pr_err("failed to add FUSE lookups\n"); + return err; } return 0; -- 2.34.1