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myri10ge: add a wc_enabled flag to myri10ge_priv 

Add a wc_enabled flag in the myri10ge_priv instead of relying
on mtrr >= 0.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Brice Goglin 2007-03-07 20:02:32 +01:00 committed by Jeff Garzik
parent 4c882dd808
commit 276e26c316
1 changed files with 7 additions and 3 deletions
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10
drivers/net/myri10ge/myri10ge.c
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@ -181,6 +181,7 @@ struct myri10ge_priv {
int intr_coal_delay;
__be32 __iomem *intr_coal_delay_ptr;
int mtrr;
int wc_enabled;
int wake_queue;
int stop_queue;
int down_cnt;
@ -1385,7 +1386,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
data[i] = ((unsigned long *)&mgp->stats)[i];
data[i++] = (unsigned int)mgp->tx.boundary;
data[i++] = (unsigned int)(mgp->mtrr >= 0);
data[i++] = (unsigned int)mgp->wc_enabled;
data[i++] = (unsigned int)mgp->pdev->irq;
data[i++] = (unsigned int)mgp->msi_enabled;
data[i++] = (unsigned int)mgp->read_dma;
@ -1749,7 +1750,7 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_irq;
}
if (myri10ge_wcfifo && mgp->mtrr >= 0) {
if (myri10ge_wcfifo && mgp->wc_enabled) {
mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
mgp->rx_small.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
@ -2850,9 +2851,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mgp->board_span = pci_resource_len(pdev, 0);
mgp->iomem_base = pci_resource_start(pdev, 0);
mgp->mtrr = -1;
mgp->wc_enabled = 0;
#ifdef CONFIG_MTRR
mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span,
MTRR_TYPE_WRCOMB, 1);
if (mgp->mtrr >= 0)
mgp->wc_enabled = 1;
#endif
/* Hack. need to get rid of these magic numbers */
mgp->sram_size =
@ -2947,7 +2951,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
(mgp->msi_enabled ? "MSI" : "xPIC"),
netdev->irq, mgp->tx.boundary, mgp->fw_name,
(mgp->mtrr >= 0 ? "Enabled" : "Disabled"));
(mgp->wc_enabled ? "Enabled" : "Disabled"));
return 0;