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Date: Tue, 4 Aug 2009 13:39:03 -0700 From: Dhananjay Phadke <dhananjay@...xen.com> To: davem@...emloft.com Cc: netdev@...r.kernel.org Subject: [PATCH] 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@...xen.com> --- drivers/net/netxen/netxen_nic_main.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 3cd8cfc..70c05c4 100644 --- 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) -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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