am53c974: BLAST residual handling

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The am53c974 has an design issue where a single byte might be
left in the SCSI FIFO after a DMA transfer.
As the handling code is currently untested add a WARN_ON()
statement here.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

...

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Hannes Reinecke 2014-11-24 15:37:26 +01:00 • committed by Christoph Hellwig

parent 3a7e7be2a9

commit 6df388f2d5

3 changed files with 36 additions and 0 deletions

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6

drivers/scsi/am53c974.c

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29

drivers/scsi/esp_scsi.c

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1

drivers/scsi/esp_scsi.h

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