1ACPI_BUS_SCAN(9)         Device drivers infrastructure        ACPI_BUS_SCAN(9)
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NAME

6       acpi_bus_scan - Add ACPI device node objects in a given namespace
7       scope.
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SYNOPSIS

10       int acpi_bus_scan(acpi_handle handle);
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ARGUMENTS

13       handle
14           Root of the namespace scope to scan.
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DESCRIPTION

17       Scan a given ACPI tree (probably recently hot-plugged) and create and
18       add found devices.
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20       If no devices were found, -ENODEV is returned, but it does not mean
21       that there has been a real error. There just have been no suitable ACPI
22       objects in the table trunk from which the kernel could create a device
23       and add an appropriate driver.
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25       Must be called under acpi_scan_lock.
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28Kernel Hackers Manual 3.10         June 2019                  ACPI_BUS_SCAN(9)
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