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The OnHub bootloader tries to patch the calibration directly into the device tree, but it uses constant paths that look like this: static const char *dt_path = "soc/pci@%8.8x/pcie@0/ath10k@0,0"; https://chromium.googlesource.com/chromiumos/platform/depthcharge/+/refs/heads/firmware-storm-6315.B/src/board/storm/wifi_calibration.c#69 These paths have changed in recent kernels, so we need to adapte. The CONFIG_GOOGLE_VPD kernel module (provided by kmod-google-firmware) is present on OnHub, and provides alternative means to locate this information, in /sys/firmware/vpd/ro/wifi_base64_calibration{0,1,2}. Use that instead. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Link: https://github.com/openwrt/openwrt/pull/20477 Signed-off-by: Robert Marko <robimarko@gmail.com>