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sfc: Fold falcon_probe_nic_variant() into falcon_probe_nic()

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falcon_probe_nic_variant() does a lot less than it used to, and a
lot less than it claims to.  Fold the remainder into its caller.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-29 15:08:21 +00:00 committed by David S. Miller
parent 0ccfe64d3f
commit 5784946068
1 changed files with 24 additions and 40 deletions
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64
drivers/net/sfc/falcon.c
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@ -2806,40 +2806,6 @@ u32 efx_nic_fpga_ver(struct efx_nic *efx)
return EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER);
}
/* Probe the NIC variant (revision, ASIC vs FPGA, function count, port
* count, port speed). Set workaround and feature flags accordingly.
*/
static int falcon_probe_nic_variant(struct efx_nic *efx)
{
efx_oword_t nic_stat;
if (efx_nic_fpga_ver(efx) != 0) {
EFX_ERR(efx, "Falcon FPGA not supported\n");
return -ENODEV;
}
efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
u8 pci_rev = efx->pci_dev->revision;
if ((pci_rev == 0xff) || (pci_rev == 0)) {
EFX_ERR(efx, "Falcon rev A0 not supported\n");
return -ENODEV;
}
if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
return -ENODEV;
}
if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
return -ENODEV;
}
}
return 0;
}
/* Probe all SPI devices on the NIC */
static void falcon_probe_spi_devices(struct efx_nic *efx)
{
@ -2891,15 +2857,33 @@ static int falcon_probe_nic(struct efx_nic *efx)
return -ENOMEM;
efx->nic_data = nic_data;
/* Determine number of ports etc. */
rc = falcon_probe_nic_variant(efx);
if (rc)
rc = -ENODEV;
if (efx_nic_fpga_ver(efx) != 0) {
EFX_ERR(efx, "Falcon FPGA not supported\n");
goto fail1;
}
/* Probe secondary function if expected */
if (efx_nic_is_dual_func(efx)) {
struct pci_dev *dev = pci_dev_get(efx->pci_dev);
if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
efx_oword_t nic_stat;
struct pci_dev *dev;
u8 pci_rev = efx->pci_dev->revision;
if ((pci_rev == 0xff) || (pci_rev == 0)) {
EFX_ERR(efx, "Falcon rev A0 not supported\n");
goto fail1;
}
efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
goto fail1;
}
if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
goto fail1;
}
dev = pci_dev_get(efx->pci_dev);
while ((dev = pci_get_device(EFX_VENDID_SFC, FALCON_A_S_DEVID,
dev))) {
if (dev->bus == efx->pci_dev->bus &&