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sfc: Use lm87 and lm90 drivers for board temperature/power monitoring

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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>
This commit is contained in:
Ben Hutchings
2008-11-04 20:34:56 +00:00
committed by Jeff Garzik
parent f41507245e
commit 3e133c44d2
8 changed files with 265 additions and 64 deletions
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18
drivers/net/sfc/tenxpress.c
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@@ -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)