lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/net/sfc/mdio_10g.c
View File

@@ -260,6 +260,41 @@ void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
MDIO_MMDREG_CTRL1, ctrl2);
}
static void mdio_clause45_set_mmd_lpower(struct efx_nic *efx,
int lpower, int mmd)
{
int phy = efx->mii.phy_id;
int stat = mdio_clause45_read(efx, phy, mmd, MDIO_MMDREG_STAT1);
int ctrl1, ctrl2;
EFX_TRACE(efx, "Setting low power mode for MMD %d to %d\n",
mmd, lpower);
if (stat & (1 << MDIO_MMDREG_STAT1_LPABLE_LBN)) {
ctrl1 = ctrl2 = mdio_clause45_read(efx, phy,
mmd, MDIO_MMDREG_CTRL1);
if (lpower)
ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LPOWER_LBN);
else
ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LPOWER_LBN);
if (ctrl1 != ctrl2)
mdio_clause45_write(efx, phy, mmd,
MDIO_MMDREG_CTRL1, ctrl2);
}
}
void mdio_clause45_set_mmds_lpower(struct efx_nic *efx,
int low_power, unsigned int mmd_mask)
{
int mmd = 0;
while (mmd_mask) {
if (mmd_mask & 1)
mdio_clause45_set_mmd_lpower(efx, low_power, mmd);
mmd_mask = (mmd_mask >> 1);
mmd++;
}
}
/**
* mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
* @efx: Efx NIC