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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2023 07:11:33.7039 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 10586d9a-3001-4a03-4311-08dbaf71ab07 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044FD.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4890 X-OriginatorOrg: Nvidia.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 --- v1 -> v2: * Use size_mul to calculate lookups array size. --- 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/f= use-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 =3D NULL; } =20 +static int tegra_fuse_add_lookups(struct tegra_fuse *fuse) +{ + size_t size; + + if (!fuse->soc->lookups) + return 0; + + size =3D size_mul(sizeof(*fuse->lookups), fuse->soc->num_lookups); + + fuse->lookups =3D 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 =3D 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; =20 tegra_init_apbmisc(); =20 @@ -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); =20 - if (fuse->soc->lookups) { - size_t size =3D sizeof(*fuse->lookups) * fuse->soc->num_lookups; - - fuse->lookups =3D kmemdup(fuse->soc->lookups, size, GFP_KERNEL); - if (fuse->lookups) - nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); + err =3D tegra_fuse_add_lookups(fuse); + if (err) { + pr_err("failed to add FUSE lookups\n"); + return err; } =20 return 0; --=20 2.34.1