Files
linux/drivers/usb
Johan Hovold 27df5bca96 xhci: fix debugfs register accesses while suspended
commit 735baf1b23 upstream.

Wire up the debugfs regset device pointer so that the controller is
resumed before accessing registers to avoid crashing or locking up if it
happens to be runtime suspended.

Fixes: 02b6fdc2a1 ("usb: xhci: Add debugfs interface for xHCI driver")
Cc: stable@vger.kernel.org # 4.15: 30332eeefe: debugfs: regset32: Add Runtime PM support
Cc: stable@vger.kernel.org # 4.15
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230405090342.7363-1-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-11 23:03:01 +09:00
..