A DMA controller may claim the interrupt and may prevent a processor from receiving and/or servicing the claimed interrupt. The DMA controller may further transfer a data block in response to the claimed interrupt.
Machine-readable media, methods, and apparatus are described for performing direct memory access (DMA) transfers. In some embodiments, a device may generate an interrupt to request a DMA transfer. A DMA controller may claim the interrupt and may prevent a processor from receiving and/or servicing...
Fixes interrupt enable condition check with which now interrupt gets enabled in dma_open. Prior to this patch it was getting enabled in runtime_resume only. Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com> Link: https://lore.kernel.org/r/20200630183754.20641-1-akshu.agrawal@amd.com ...
Enable/disable claiming of a DMA request interruptPeter R. Munguia
A DMA controller may claim the interrupt and may prevent a processor from receiving and/or servicing the claimed interrupt. The DMA controller may further transfer a data block in response to the claimed interrupt.doi:US7243178 B2Peter R. Munguia...