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Merge branch 'acpi-scan-fixes'

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* acpi-scan-fixes:
  ACPI / scan: Prefer devices without _HID for _ADR matching
This commit is contained in:
Rafael J. Wysocki 2017-04-07 13:48:26 +02:00
commit dc752d54fd
1 changed files with 6 additions and 6 deletions
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12
drivers/acpi/glue.c
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@ -99,13 +99,13 @@ static int find_child_checks(struct acpi_device *adev, bool check_children)
return -ENODEV;
/*
* If the device has a _HID (or _CID) returning a valid ACPI/PNP
* device ID, it is better to make it look less attractive here, so that
* the other device with the same _ADR value (that may not have a valid
* device ID) can be matched going forward. [This means a second spec
* violation in a row, so whatever we do here is best effort anyway.]
* If the device has a _HID returning a valid ACPI/PNP device ID, it is
* better to make it look less attractive here, so that the other device
* with the same _ADR value (that may not have a valid device ID) can be
* matched going forward. [This means a second spec violation in a row,
* so whatever we do here is best effort anyway.]
*/
return sta_present && list_empty(&adev->pnp.ids) ?
return sta_present && !adev->pnp.type.platform_id ?
FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE;
}