diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-12-12 21:44:14 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-12 21:57:58 -0800 |
| commit | 27dd2caca4eabe7c13a052b7456495ba75535e6a (patch) | |
| tree | 514e7844ab78e5110e09d1e4a650e3283cdd32e9 /drivers/net/sfc/mdio_10g.c | |
| parent | f31a45d2f45a7667acd6e85ab6613b0910c55ea9 (diff) | |
sfc: Add support for MMDs numbered >15
Combine DEVS0 and DEVS1 registers into a 32-bit mask instead of
reading just DEVS0.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/mdio_10g.c')
| -rw-r--r-- | drivers/net/sfc/mdio_10g.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c index 19e25210b68..1eed48407ed 100644 --- a/drivers/net/sfc/mdio_10g.c +++ b/drivers/net/sfc/mdio_10g.c @@ -121,16 +121,18 @@ int mdio_clause45_wait_reset_mmds(struct efx_nic *efx, int mdio_clause45_check_mmds(struct efx_nic *efx, unsigned int mmd_mask, unsigned int fatal_mask) { - int devices, mmd = 0; - int probe_mmd; + u32 devices; + int mmd = 0, probe_mmd; /* Historically we have probed the PHYXS to find out what devices are * present,but that doesn't work so well if the PHYXS isn't expected * to exist, if so just find the first item in the list supplied. */ - probe_mmd = (mmd_mask & MDIO_MMDREG_DEVS0_PHYXS) ? MDIO_MMD_PHYXS : + probe_mmd = (mmd_mask & MDIO_MMDREG_DEVS_PHYXS) ? MDIO_MMD_PHYXS : __ffs(mmd_mask); - devices = mdio_clause45_read(efx, efx->mii.phy_id, - probe_mmd, MDIO_MMDREG_DEVS0); + devices = (mdio_clause45_read(efx, efx->mii.phy_id, + probe_mmd, MDIO_MMDREG_DEVS0) | + mdio_clause45_read(efx, efx->mii.phy_id, + probe_mmd, MDIO_MMDREG_DEVS1) << 16); /* Check all the expected MMDs are present */ if (devices < 0) { @@ -175,14 +177,14 @@ bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask) else if (efx_phy_mode_disabled(efx->phy_mode)) return false; else if (efx->loopback_mode == LOOPBACK_PHYXS) - mmd_mask &= ~(MDIO_MMDREG_DEVS0_PHYXS | - MDIO_MMDREG_DEVS0_PCS | - MDIO_MMDREG_DEVS0_PMAPMD); + mmd_mask &= ~(MDIO_MMDREG_DEVS_PHYXS | + MDIO_MMDREG_DEVS_PCS | + MDIO_MMDREG_DEVS_PMAPMD); else if (efx->loopback_mode == LOOPBACK_PCS) - mmd_mask &= ~(MDIO_MMDREG_DEVS0_PCS | - MDIO_MMDREG_DEVS0_PMAPMD); + mmd_mask &= ~(MDIO_MMDREG_DEVS_PCS | + MDIO_MMDREG_DEVS_PMAPMD); else if (efx->loopback_mode == LOOPBACK_PMAPMD) - mmd_mask &= ~MDIO_MMDREG_DEVS0_PMAPMD; + mmd_mask &= ~MDIO_MMDREG_DEVS_PMAPMD; while (mmd_mask) { if (mmd_mask & 1) { |