diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_main.c | 43 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_main.c | 23 |
2 files changed, 43 insertions, 23 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c index f055b1774d65..424707d41fbd 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c @@ -74,6 +74,45 @@ static const struct pci_device_id nfp_pci_device_ids[] = { }; MODULE_DEVICE_TABLE(pci, nfp_pci_device_ids); +static bool nfp_board_ready(struct nfp_pf *pf) +{ + const char *cp; + long state; + int err; + + cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state"); + if (!cp) + return false; + + err = kstrtol(cp, 0, &state); + if (err < 0) + return false; + + return state == 15; +} + +static int nfp_pf_board_state_wait(struct nfp_pf *pf) +{ + const unsigned long wait_until = jiffies + 10 * HZ; + + while (!nfp_board_ready(pf)) { + if (time_is_before_eq_jiffies(wait_until)) { + nfp_err(pf->cpp, "NFP board initialization timeout\n"); + return -EINVAL; + } + + nfp_info(pf->cpp, "waiting for board initialization\n"); + if (msleep_interruptible(500)) + return -ERESTARTSYS; + + /* Refresh cached information */ + kfree(pf->hwinfo); + pf->hwinfo = nfp_hwinfo_read(pf->cpp); + } + + return 0; +} + static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) { int err; @@ -425,6 +464,10 @@ static int nfp_pci_probe(struct pci_dev *pdev, nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"), nfp_hwinfo_lookup(pf->hwinfo, "cpld.version")); + err = nfp_pf_board_state_wait(pf); + if (err) + goto err_hwinfo_free; + err = devlink_register(devlink, &pdev->dev); if (err) goto err_hwinfo_free; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c index 5abb9ba31e7d..ff373acd28f3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c @@ -64,23 +64,6 @@ #define NFP_PF_CSR_SLICE_SIZE (32 * 1024) -static int nfp_is_ready(struct nfp_pf *pf) -{ - const char *cp; - long state; - int err; - - cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state"); - if (!cp) - return 0; - - err = kstrtol(cp, 0, &state); - if (err < 0) - return 0; - - return state == 15; -} - /** * nfp_net_get_mac_addr() - Get the MAC address. * @pf: NFP PF handle @@ -725,12 +708,6 @@ int nfp_net_pci_probe(struct nfp_pf *pf) INIT_WORK(&pf->port_refresh_work, nfp_net_refresh_vnics); - /* Verify that the board has completed initialization */ - if (!nfp_is_ready(pf)) { - nfp_err(pf->cpp, "NFP is not ready for NIC operation.\n"); - return -EINVAL; - } - if (!pf->rtbl) { nfp_err(pf->cpp, "No %s, giving up.\n", pf->fw_loaded ? "symbol table" : "firmware found"); |