netxen: fix dma mask update calculation

Fix dma mask calculation that caps at 63-bit addressing even
when firmware advertises full 64-bit support.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 3cd8cfc..70c05c4 100644 (file)
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -260,7 +260,7 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
        change = 0;
 
        shift = NXRD32(adapter, CRB_DMA_SHIFT);
-       if (shift >= 32)
+       if (shift > 32)
                return 0;
 
        if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
@@ -272,7 +272,7 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
                old_mask = pdev->dma_mask;
                old_cmask = pdev->dev.coherent_dma_mask;
 
-               mask = (1ULL<<(32+shift)) - 1;
+               mask = DMA_BIT_MASK(32+shift);
 
                err = pci_set_dma_mask(pdev, mask);
                if (err)