The existing code incorrectly changes the dma_active flag when a non-block
transfer has completed leading to a hang on newer versions of Linux because the
IDE and DMA engines deadlock waiting for each other.
Instead copy the buffer directly to RAM, set the remaining transfer size to 0
and
then in
On 18.05.14 14:20, Mark Cave-Ayland wrote:
Currently the macio DMA routines assume that all DMA requests are for read/write
block transfers. This is not always the case for ATAPI, for example when
requesting a TOC where the response is generated directly in the IDE buffer.
Detect these non-bloc
Currently the macio DMA routines assume that all DMA requests are for read/write
block transfers. This is not always the case for ATAPI, for example when
requesting a TOC where the response is generated directly in the IDE buffer.
Detect these non-block ATAPI DMA transfers (where no lba is specifi
