runcookie 296 drivers/dma/qcom/hidma.c dma_cookie_t runcookie; runcookie 300 drivers/dma/qcom/hidma.c runcookie = mchan->running->desc.cookie; runcookie 302 drivers/dma/qcom/hidma.c runcookie = -EINVAL; runcookie 304 drivers/dma/qcom/hidma.c if (runcookie == cookie)