diff options
| -rw-r--r-- | tools/testing/selftests/devices/boards/google,spherion.yaml | 4 | ||||
| -rwxr-xr-x | tools/testing/selftests/devices/test_discoverable_devices.py | 24 |
2 files changed, 28 insertions, 0 deletions
diff --git a/tools/testing/selftests/devices/boards/google,spherion.yaml b/tools/testing/selftests/devices/boards/google,spherion.yaml index 17157ecd8c14..3ea843324797 100644 --- a/tools/testing/selftests/devices/boards/google,spherion.yaml +++ b/tools/testing/selftests/devices/boards/google,spherion.yaml @@ -11,6 +11,10 @@ # this, several optional keys can be used: # - dt-mmio: identify the MMIO address of the controller as defined in the # Devicetree. +# - of-fullname-regex: regular expression to match against the OF_FULLNAME +# property. Useful when the controller's address is not unique across other +# sibling controllers. In this case, dt-mmio can't be used, and this property +# allows the matching to include parent nodes as well to make it unique. # - usb-version: for USB controllers to differentiate between USB3 and USB2 # buses sharing the same controller. # - acpi-uid: _UID property of the controller as supplied by the ACPI. Useful to diff --git a/tools/testing/selftests/devices/test_discoverable_devices.py b/tools/testing/selftests/devices/test_discoverable_devices.py index 19f28ea774f4..8f2200540a1f 100755 --- a/tools/testing/selftests/devices/test_discoverable_devices.py +++ b/tools/testing/selftests/devices/test_discoverable_devices.py @@ -64,6 +64,22 @@ def get_dt_mmio(sysfs_dev_dir): sysfs_dev_dir = os.path.dirname(sysfs_dev_dir) +def get_of_fullname(sysfs_dev_dir): + re_of_fullname = re.compile("OF_FULLNAME=(.*)") + of_full_name = None + + # PCI controllers' sysfs don't have an of_node, so have to read it from the + # parent + while not of_full_name: + try: + with open(os.path.join(sysfs_dev_dir, "uevent")) as f: + of_fullname = re_of_fullname.search(f.read()).group(1) + return of_fullname + except: + pass + sysfs_dev_dir = os.path.dirname(sysfs_dev_dir) + + def get_acpi_uid(sysfs_dev_dir): with open(os.path.join(sysfs_dev_dir, "firmware_node", "uid")) as f: return f.read() @@ -97,6 +113,11 @@ def find_controller_in_sysfs(controller, parent_sysfs=None): if str(controller["dt-mmio"]) != get_dt_mmio(c): continue + if controller.get("of-fullname-regex"): + re_of_fullname = re.compile(str(controller["of-fullname-regex"])) + if not re_of_fullname.match(get_of_fullname(c)): + continue + if controller.get("usb-version"): if controller["usb-version"] != get_usb_version(c): continue @@ -195,6 +216,9 @@ def generate_pathname(device): if device.get("dt-mmio"): pathname += "@" + str(device["dt-mmio"]) + if device.get("of-fullname-regex"): + pathname += "-" + str(device["of-fullname-regex"]) + if device.get("name"): pathname = pathname + "/" + device["name"] |