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>
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 276151d..91f0246 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -128,6 +128,15 @@
if (link_up != efx->link_up)
falcon_xmac_sim_phy_event(efx);
+ rc = efx->board_info.monitor(efx);
+ if (rc) {
+ struct xfp_phy_data *phy_data = efx->phy_data;
+ EFX_ERR(efx, "XFP sensor alert; putting PHY into low power\n");
+ efx->phy_mode |= PHY_MODE_LOW_POWER;
+ mdio_clause45_set_mmds_lpower(efx, 1, XFP_REQUIRED_DEVS);
+ phy_data->phy_mode |= PHY_MODE_LOW_POWER;
+ }
+
return rc;
}