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For "fixed" PCI devices, such as chips directly soldered on the main board (ethernet, Wi-Fi, serial ports, etc.), it is possible to find an ACPI enumeration. This allows to add useful properties to these devices. Just for an example: the property "gpio-line-names" can be added to the pins of a GPIO expander on the PCI bus. In order to find the ACPI name of a PCI device, it's necessary to disassemble the BIOS ACPI tables (in particular the DSDT) and also to analyze the PCI bus topology of the board. This patch, with a practical example, show how to do this. Signed-off-by: Flavio Suligoi <f.suligoi@asem.it> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| .. | ||
| apei | ||
| dsd | ||
| acpi-lid.rst | ||
| aml-debugger.rst | ||
| debug.rst | ||
| DSD-properties-rules.rst | ||
| enumeration.rst | ||
| extcon-intel-int3496.rst | ||
| gpio-properties.rst | ||
| i2c-muxes.rst | ||
| index.rst | ||
| intel-pmc-mux.rst | ||
| lpit.rst | ||
| method-customizing.rst | ||
| method-tracing.rst | ||
| namespace.rst | ||
| osi.rst | ||
| video_extension.rst | ||