ide: set/clear drive->waiting_for_dma flag in the core code

Set/clear drive->waiting_for_dma flag in the core code
instead of in ->dma_setup and ->dma_end methods.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
14 files changed