IS_BUSY 999 drivers/dma/qcom/bam_dma.c while (vd && !IS_BUSY(bchan)) { IS_BUSY 1090 drivers/dma/qcom/bam_dma.c if (!list_empty(&bchan->vc.desc_issued) && !IS_BUSY(bchan)) IS_BUSY 1111 drivers/dma/qcom/bam_dma.c if (vchan_issue_pending(&bchan->vc) && !IS_BUSY(bchan))