diff options
| author |   Alexander Gordeev <agordeev@redhat.com> | 2014-02-18 11:12:00 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-02-18 15:33:34 -0500 |
| commit | 184603d8825773afae24279e055440dddada478d (patch) | |
| tree | 20da459f5f4f4710946a7766aa972ee55cd14eba /drivers/net/ethernet/sfc | |
| parent | qlge: Use pci_enable_msix_range() instead of pci_enable_msix() (diff) | |
| download | linux-dev-184603d8825773afae24279e055440dddada478d.tar.xz linux-dev-184603d8825773afae24279e055440dddada478d.zip | |
sfc: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Shradha Shah <sshah@solarflare.com>
Cc: linux-net-drivers@solarflare.com
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Acked-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 62d1a78984c1..d72e0038a740 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1344,20 +1344,23 @@ static int efx_probe_interrupts(struct efx_nic *efx) for (i = 0; i < n_channels; i++) xentries[i].entry = i; - rc = pci_enable_msix(efx->pci_dev, xentries, n_channels); - if (rc > 0) { + rc = pci_enable_msix_range(efx->pci_dev, + xentries, 1, n_channels); + if (rc < 0) { + /* Fall back to single channel MSI */ + efx->interrupt_mode = EFX_INT_MODE_MSI; + netif_err(efx, drv, efx->net_dev, + "could not enable MSI-X\n"); + } else if (rc < n_channels) { netif_err(efx, drv, efx->net_dev, "WARNING: Insufficient MSI-X vectors" " available (%d < %u).\n", rc, n_channels); netif_err(efx, drv, efx->net_dev, "WARNING: Performance may be reduced.\n"); - EFX_BUG_ON_PARANOID(rc >= n_channels); n_channels = rc; - rc = pci_enable_msix(efx->pci_dev, xentries, - n_channels); } - if (rc == 0) { + if (rc > 0) { efx->n_channels = n_channels; if (n_channels > extra_channels) n_channels -= extra_channels; @@ -1373,11 +1376,6 @@ static int efx_probe_interrupts(struct efx_nic *efx) for (i = 0; i < efx->n_channels; i++) efx_get_channel(efx, i)->irq = xentries[i].vector; - } else { - /* Fall back to single channel MSI */ - efx->interrupt_mode = EFX_INT_MODE_MSI; - netif_err(efx, drv, efx->net_dev, - "could not enable MSI-X\n"); } } |