Prevent DMA transfers from crossing the 16MB limit for early 53c896 chips. From: Kai Makisara <Kai.Makisara@xxxxxxxxxxx> Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> --- drivers/scsi/sym53c8xx_2/sym_glue.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 3db2232..d5455e3 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -1531,6 +1531,10 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt, BUG_ON(sym2_transport_template == NULL); instance->transportt = sym2_transport_template; + /* 53c896 rev 1 errata: DMA may not cross 16MB boundary */ + if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && np->revision_id < 2) + instance->dma_boundary = 0xFFFFFF; + spin_unlock_irqrestore(instance->host_lock, flags); return instance; -- 1.4.4.2 - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
