Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Kartik
and committed by
Thierry Reding
71661c1c
7b0c505e
+17
-8
+17
-8
drivers/soc/tegra/fuse/fuse-tegra.c
+17
-8
drivers/soc/tegra/fuse/fuse-tegra.c
···
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fuse->clk = NULL;
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}
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static int tegra_fuse_add_lookups(struct tegra_fuse *fuse)
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{
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fuse->lookups = kmemdup_array(fuse->soc->lookups, sizeof(*fuse->lookups),
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fuse->soc->num_lookups, GFP_KERNEL);
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if (!fuse->lookups)
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return -ENOMEM;
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nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups);
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return 0;
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}
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+
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static int tegra_fuse_probe(struct platform_device *pdev)
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{
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void __iomem *base = fuse->base;
···
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const struct of_device_id *match;
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struct device_node *np;
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struct resource regs;
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int err;
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tegra_init_apbmisc();
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···
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pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n",
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tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id);
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-
if (fuse->soc->lookups) {
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-
size_t size = sizeof(*fuse->lookups) * fuse->soc->num_lookups;
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err = tegra_fuse_add_lookups(fuse);
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if (err)
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pr_err("failed to add FUSE lookups\n");
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-
fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL);
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if (fuse->lookups)
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nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups);
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}
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-
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return 0;
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return err;
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}
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early_initcall(tegra_init_fuse);
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