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soc/tegra: Register SoC device

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Move this code from arch/arm/mach-tegra and make it common among 32-bit
and 64-bit Tegra SoCs. This is slightly complicated by the fact that on
32-bit Tegra, the SoC device is used as the parent for all devices that
are instantiated from device tree.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2017-08-17 16:42:17 +02:00
parent 0c106e57de
commit 27a0342ac1
4 changed files with 54 additions and 30 deletions
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29
arch/arm/mach-tegra/tegra.c
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@@ -84,35 +84,8 @@ static void __init tegra_dt_init_irq(void)
static void __init tegra_dt_init(void)
{
struct soc_device_attribute *soc_dev_attr;
struct soc_device *soc_dev;
struct device *parent = NULL;
struct device *parent = tegra_soc_device_register();
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
goto out;
soc_dev_attr->family = kasprintf(GFP_KERNEL, "Tegra");
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d",
tegra_sku_info.revision);
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%u", tegra_get_chip_id());
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->family);
kfree(soc_dev_attr->revision);
kfree(soc_dev_attr->soc_id);
kfree(soc_dev_attr);
goto out;
}
parent = soc_device_to_device(soc_dev);
/*
* Finished with the static registrations now; fill in the missing
* devices
*/
out:
of_platform_default_populate(NULL, NULL, parent);
}