drivers/dma/dmaengine.c

26  * Each device has a channels list, which runs unlocked but is never modified
88 	list_for_each_entry(chan, &dma_dev->channels, device_node) {
108 		seq_printf(s, "dma%d (%s): number of channels: %u\n",
314  * If some channels are close to the given CPU, the one with the lowest
331 		list_for_each_entry(chan, &device->channels, device_node) {
353  * dma_channel_rebalance - redistribute the available channels
357  * multi-tasking channels) in the non-SMP case.
376 		list_for_each_entry(chan, &device->channels, device_node)
384 	/* redistribute available channels */
552  * dma_issue_pending_all - flush all pending operations across all channels
563 		list_for_each_entry(chan, &device->channels, device_node)
607 	 * distributed slave capabilities per device channels. In this
629 	/* devices with multiple channels need special handling as we need to
630 	 * ensure that all channels are either private or public.
633 		list_for_each_entry(chan, &dev->channels, device_node) {
634 			/* some channels are already publicly allocated */
639 	list_for_each_entry(chan, &dev->channels, device_node) {
749  * @fn:		optional callback to disposition available channels
751  * @np:		device node to look for DMA channels
941 	/* try to grab channels */
945 		list_for_each_entry(chan, &device->channels, device_node) {
958 	/* if this is the first reference and there were channels
959 	 * waiting we need to rebalance to get those channels
983 		list_for_each_entry(chan, &device->channels, device_node)
992 	/* A device that satisfies this test has channels that will never cause
1204 	/* represent channels in sysfs. Probably want devs too */
1205 	list_for_each_entry(chan, &device->channels, device_node) {
1212 	/* take references on public channels */
1214 		list_for_each_entry(chan, &device->channels, device_node) {
1215 			/* if clients are already waiting for channels we need
1220 				 * channel as the remaining channels are
1245 	list_for_each_entry(chan, &device->channels, device_node) {
1263  * references to prevent it being called while channels are in use.
1271 	list_for_each_entry_safe(chan, n, &device->channels, device_node)