[Qemu-devel] Re: [PATCH 4/4] ide: Reset current_addr after stopping DMA

[Stefan Hajnoczi]

On Fri, Nov 26, 2010 at 4:21 PM, Kevin Wolf <address@hidden> wrote:
> 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 <address@hidden>
> ---
>  hw/ide/pci.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>