channel_busy 59 drivers/dma/sh/shdma-base.c if (ops->channel_busy(schan)) channel_busy 1006 drivers/dma/sh/shdma-base.c !sdev->ops->channel_busy || channel_busy 657 drivers/dma/sh/shdmac.c .channel_busy = sh_dmae_channel_busy, channel_busy 94 include/linux/shdma-base.h bool (*channel_busy)(struct shdma_chan *);