Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.18.21 2025-09-12T12:08:02+00:00 2025-09-12T12:08:02+00:00 Guan-Yu Lin guanyulin@google.com 2025-09-11T14:20:14+00:00 urn:sha1:7f70b89b2be66c03ddc76d3ad8aebeeec4a9c505 Introduce offload_usage and corresponding apis to track offload usage on each USB device. Offload denotes that there is another co-processor accessing the USB device via the same USB host controller. To optimize power usage, it's essential to monitor whether the USB device is actively used by other co-processor. This information is vital when determining if a USB device can be safely suspended during system power state transitions. Signed-off-by: Guan-Yu Lin <guanyulin@google.com> Link: https://lore.kernel.org/r/20250911142051.90822-3-guanyulin@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20250911142051.90822-3-guanyulin@google.com