unsigned long flags);
The peripheral driver is expected to have mapped the scatterlist for
- the DMA operation prior to calling device_prep_slave_sg, and must
+ the DMA operation prior to calling dmaengine_prep_slave_sg(), and must
keep the scatterlist mapped until the DMA operation has completed.
The scatterlist must be mapped using the DMA struct device.
If a mapping needs to be synchronized later, dma_sync_*_for_*() must be
Note:
Not all DMA engine drivers can return reliable information for
a running DMA channel. It is recommended that DMA engine users
- pause or stop (via dmaengine_terminate_all) the channel before
+ pause or stop (via dmaengine_terminate_all()) the channel before
using this API.