diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2011-10-07 23:07:41 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-07 23:07:41 +0200 |
| commit | 8efc59ad6764ade520012cb192cd484e5191cd9c (patch) | |
| tree | d2465d91ebb2652e35cd08f715fc202b3f9e042a /drivers/net/sfc/efx.c | |
| parent | 6f6184a9d01880a3e21349544f73b3720ce5e152 (diff) | |
| parent | 492c4a0df11573e141a2decc6012b3bddd14a11e (diff) | |
Merge branch 'sirf/cleanup' into next/cleanup
Diffstat (limited to 'drivers/net/sfc/efx.c')
| -rw-r--r-- | drivers/net/sfc/efx.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index faca764aa21..b59abc706d9 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -1050,7 +1050,6 @@ static int efx_init_io(struct efx_nic *efx) { struct pci_dev *pci_dev = efx->pci_dev; dma_addr_t dma_mask = efx->type->max_dma_mask; - bool use_wc; int rc; netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n"); @@ -1101,21 +1100,8 @@ static int efx_init_io(struct efx_nic *efx) rc = -EIO; goto fail3; } - - /* bug22643: If SR-IOV is enabled then tx push over a write combined - * mapping is unsafe. We need to disable write combining in this case. - * MSI is unsupported when SR-IOV is enabled, and the firmware will - * have removed the MSI capability. So write combining is safe if - * there is an MSI capability. - */ - use_wc = (!EFX_WORKAROUND_22643(efx) || - pci_find_capability(pci_dev, PCI_CAP_ID_MSI)); - if (use_wc) - efx->membase = ioremap_wc(efx->membase_phys, - efx->type->mem_map_size); - else - efx->membase = ioremap_nocache(efx->membase_phys, - efx->type->mem_map_size); + efx->membase = ioremap_nocache(efx->membase_phys, + efx->type->mem_map_size); if (!efx->membase) { netif_err(efx, probe, efx->net_dev, "could not map memory BAR at %llx+%x\n", |