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Mon, 16 Oct 2023 22:23:56 -0700 From: Kartik To: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v7 5/8] soc/tegra: fuse: Add function to add lookups Date: Tue, 17 Oct 2023 10:53:19 +0530 Message-ID: <20231017052322.2636-6-kkartik@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231017052322.2636-1-kkartik@nvidia.com> References: <20231017052322.2636-1-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: CY4PEPF0000E9DA:EE_|MN2PR12MB4518:EE_ X-MS-Office365-Filtering-Correlation-Id: d960c8cb-99b3-42fb-c4af-08dbced14bb0 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:(13230031)(4636009)(376002)(396003)(39860400002)(136003)(346002)(230922051799003)(186009)(451199024)(64100799003)(1800799009)(82310400011)(46966006)(40470700004)(36840700001)(40460700003)(1076003)(2616005)(26005)(82740400003)(336012)(426003)(8676002)(8936002)(5660300002)(47076005)(83380400001)(7636003)(921005)(40480700001)(356005)(478600001)(41300700001)(86362001)(110136005)(7416002)(2906002)(316002)(36860700001)(6666004)(70206006)(36756003)(70586007)(334744004)(83996005)(2101003);DIR:OUT;SFP:1101; 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So, this can be shared between tegra_fuse_init() and ACPI probe, which is to be introduced later. Use kmemdup_array to duplicate fuse->soc->lookups. Signed-off-by: Kartik --- v3 -> v4: * Use kmemdup_array to duplicate fuse->soc->lookups. * Return err at the end of tegra_fuse_probe to remove redundant code. v1 -> v2: * Use size_mul to calculate lookups array size. --- drivers/soc/tegra/fuse/fuse-tegra.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 98805885158e..4ebb5597a77b 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -113,6 +113,18 @@ static void tegra_fuse_restore(void *base) fuse->clk = NULL; } +static int tegra_fuse_add_lookups(struct tegra_fuse *fuse) +{ + fuse->lookups = kmemdup_array(fuse->soc->lookups, sizeof(*fuse->lookups), + fuse->soc->num_lookups, 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; @@ -398,6 +410,7 @@ 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(); @@ -495,15 +508,11 @@ 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; + err = tegra_fuse_add_lookups(fuse); + if (err) + pr_err("failed to add FUSE lookups\n"); - fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL); - if (fuse->lookups) - nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); - } - - return 0; + return err; } early_initcall(tegra_init_fuse); -- 2.34.1