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What: /sys/bus/pci/devices/<BDF>/vendor_reset
Date: 22-Jul-2026
KernelVersion: 6.17
Contact: linux-bluetooth@vger.kernel.org
Description: This read-write attribute allows userspace to trigger a
Product Level Device Reset (PLDR) on Intel PCIe Bluetooth
controllers. Reading the attribute displays the supported
reset type. Writing integer 0 triggers PLDR. Any other
input is rejected with -EINVAL.
PLDR resets the entire on-chip platform shared between
Bluetooth and WiFi. This means any driver attached to
the WiFi device that shares hardware with this Bluetooth
device will be released, the platform will be reset, and
both the Bluetooth and WiFi devices will be re-probed.
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