While updating config, the irq would occur and get the partial config, so use variable config_updating to make updating atomic. Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
While updating config, the irq would occur and get the partial config, so use variable config_updating to make updating atomic. Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>