diff options
author | Ben Hutchings <bhutchings@solarflare.com> | 2011-02-24 23:59:15 +0000 |
---|---|---|
committer | Ben Hutchings <bhutchings@solarflare.com> | 2011-02-28 23:57:23 +0000 |
commit | a461103ba2e22cbb70771588b36f40df39a50f46 (patch) | |
tree | 526fe1532d3c69d9b322a458b8b26341058c6aa3 /drivers/net/sfc/mdio_10g.c | |
parent | e5f0fd278084d79d6be0920043519749374b0507 (diff) | |
download | op-kernel-dev-a461103ba2e22cbb70771588b36f40df39a50f46.zip op-kernel-dev-a461103ba2e22cbb70771588b36f40df39a50f46.tar.gz |
sfc: Do not read STAT1.FAULT in efx_mdio_check_mmd()
This field does not exist in all MMDs we want to check, and all
callers allow it to be set (fault_fatal = 0).
Remove the loopback condition, as STAT2.DEVPRST should be valid
regardless of any fault.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/sfc/mdio_10g.c')
-rw-r--r-- | drivers/net/sfc/mdio_10g.c | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c index 56b0266..6e82e5b 100644 --- a/drivers/net/sfc/mdio_10g.c +++ b/drivers/net/sfc/mdio_10g.c @@ -51,13 +51,10 @@ int efx_mdio_reset_mmd(struct efx_nic *port, int mmd, return spins ? spins : -ETIMEDOUT; } -static int efx_mdio_check_mmd(struct efx_nic *efx, int mmd, int fault_fatal) +static int efx_mdio_check_mmd(struct efx_nic *efx, int mmd) { int status; - if (LOOPBACK_INTERNAL(efx)) - return 0; - if (mmd != MDIO_MMD_AN) { /* Read MMD STATUS2 to check it is responding. */ status = efx_mdio_read(efx, mmd, MDIO_STAT2); @@ -68,20 +65,6 @@ static int efx_mdio_check_mmd(struct efx_nic *efx, int mmd, int fault_fatal) } } - /* Read MMD STATUS 1 to check for fault. */ - status = efx_mdio_read(efx, mmd, MDIO_STAT1); - if (status & MDIO_STAT1_FAULT) { - if (fault_fatal) { - netif_err(efx, hw, efx->net_dev, - "PHY MMD %d reporting fatal" - " fault: status %x\n", mmd, status); - return -EIO; - } else { - netif_dbg(efx, hw, efx->net_dev, - "PHY MMD %d reporting status" - " %x (expected)\n", mmd, status); - } - } return 0; } @@ -130,8 +113,7 @@ int efx_mdio_wait_reset_mmds(struct efx_nic *efx, unsigned int mmd_mask) return rc; } -int efx_mdio_check_mmds(struct efx_nic *efx, - unsigned int mmd_mask, unsigned int fatal_mask) +int efx_mdio_check_mmds(struct efx_nic *efx, unsigned int mmd_mask) { int mmd = 0, probe_mmd, devs1, devs2; u32 devices; @@ -161,13 +143,9 @@ int efx_mdio_check_mmds(struct efx_nic *efx, /* Check all required MMDs are responding and happy. */ while (mmd_mask) { - if (mmd_mask & 1) { - int fault_fatal = fatal_mask & 1; - if (efx_mdio_check_mmd(efx, mmd, fault_fatal)) - return -EIO; - } + if ((mmd_mask & 1) && efx_mdio_check_mmd(efx, mmd)) + return -EIO; mmd_mask = mmd_mask >> 1; - fatal_mask = fatal_mask >> 1; mmd++; } @@ -337,7 +315,7 @@ int efx_mdio_test_alive(struct efx_nic *efx) "no MDIO PHY present with ID %d\n", efx->mdio.prtad); rc = -EINVAL; } else { - rc = efx_mdio_check_mmds(efx, efx->mdio.mmds, 0); + rc = efx_mdio_check_mmds(efx, efx->mdio.mmds); } mutex_unlock(&efx->mac_lock); |