diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-11-04 20:34:56 (GMT) |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-11-06 05:50:09 (GMT) |
| commit | 3e133c44d24a094118caee182200462d46c55b56 (patch) | |
| tree | cabc1821bef090abedd1891c3d16137dea8f2ef3 /drivers/net/sfc/tenxpress.c | |
| parent | f41507245ef8b079685aba8da5b5b2b5e87e70bc (diff) | |
| download | linux-3e133c44d24a094118caee182200462d46c55b56.tar.xz | |
sfc: Use lm87 and lm90 drivers for board temperature/power monitoring
Add board monitoring to periodic work whenever link is down.
For SFE4001, report when a fault has caused the PHY to turn off.
For SFE4002, switch XFP PHY into low-power state in case of a fault.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
| -rw-r--r-- | drivers/net/sfc/tenxpress.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index d507c93..8d41c29 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -376,6 +376,7 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx) { struct tenxpress_phy_data *phy_data = efx->phy_data; bool link_ok; + int rc = 0; link_ok = tenxpress_link_ok(efx, true); @@ -391,7 +392,22 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx) atomic_set(&phy_data->bad_crc_count, 0); } - return 0; + rc = efx->board_info.monitor(efx); + if (rc) { + EFX_ERR(efx, "Board sensor %s; shutting down PHY\n", + (rc == -ERANGE) ? "reported fault" : "failed"); + if (efx->phy_mode & PHY_MODE_OFF) { + /* Assume that board has shut PHY off */ + phy_data->phy_mode = PHY_MODE_OFF; + } else { + efx->phy_mode |= PHY_MODE_LOW_POWER; + mdio_clause45_set_mmds_lpower(efx, true, + efx->phy_op->mmds); + phy_data->phy_mode |= PHY_MODE_LOW_POWER; + } + } + + return rc; } static void tenxpress_phy_fini(struct efx_nic *efx) |