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Diffstat (limited to 'Documentation/acpi/enumeration.txt')
| -rw-r--r-- | Documentation/acpi/enumeration.txt | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/Documentation/acpi/enumeration.txt b/Documentation/acpi/enumeration.txt index 64139a189a4..aca4e69121b 100644 --- a/Documentation/acpi/enumeration.txt +++ b/Documentation/acpi/enumeration.txt @@ -228,19 +228,9 @@ ACPI handle like: I2C serial bus support ~~~~~~~~~~~~~~~~~~~~~~ The slaves behind I2C bus controller only need to add the ACPI IDs like -with the platform and SPI drivers. However the I2C bus controller driver -needs to call acpi_i2c_register_devices() after it has added the adapter. - -An I2C bus (controller) driver does: - - ... - ret = i2c_add_numbered_adapter(adapter); - if (ret) - /* handle error */ - - of_i2c_register_devices(adapter); - /* Enumerate the slave devices behind this bus via ACPI */ - acpi_i2c_register_devices(adapter); +with the platform and SPI drivers. The I2C core automatically enumerates +any slave devices behind the controller device once the adapter is +registered. Below is an example of how to add ACPI support to the existing mpu3050 input driver: |