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authorKartik <kkartik@nvidia.com>2023-10-17 07:23:19 +0200
committerThierry Reding <treding@nvidia.com>2024-02-01 15:58:05 +0100
commit71661c1c8c34d100be03b229dfc7cd7d2db7f62e (patch)
tree2480d262e412e6e53f0de25d54f8bd5a2b0c3b8a /drivers/soc
parentsoc/tegra: fuse: Add tegra_acpi_init_apbmisc() (diff)
downloadlinux-71661c1c8c34d100be03b229dfc7cd7d2db7f62e.tar.xz
linux-71661c1c8c34d100be03b229dfc7cd7d2db7f62e.zip
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.c25
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 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;
-
- 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);