diff options
| author | Kartik <kkartik@nvidia.com> | 2023-10-17 10:53:19 +0530 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2024-02-01 15:58:05 +0100 |
| commit | 71661c1c8c34d100be03b229dfc7cd7d2db7f62e (patch) | |
| tree | 2480d262e412e6e53f0de25d54f8bd5a2b0c3b8a /drivers/soc | |
| parent | 7b0c505eb3414619feef0bd8acc455858f17c1c6 (diff) | |
| download | linux-71661c1c8c34d100be03b229dfc7cd7d2db7f62e.tar.gz | |
soc/tegra: fuse: Add function to add lookups
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.
Use kmemdup_array to duplicate fuse->soc->lookups.
Signed-off-by: Kartik <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse-tegra.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 98805885158e9..4ebb5597a77b7 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; - - 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 0; + return err; } early_initcall(tegra_init_fuse); |