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ide: Reset current_addr after stopping DMA
Whenever SSBM is reset in the command register all state information is lost. Restarting DMA means that current_addr must be reset to the base address of the PRD table. The OS is not required to change the base address register before starting a DMA operation, it can reuse the value it wrote for an earlier request. Signed-off-by: Kevin Wolf <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]>
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