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| author |   Bruce Allan <bruce.w.allan@intel.com> | 2013-03-06 09:02:31 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-03-27 23:13:47 -0700 |
| commit | bb034512da74dce901f738f7c7cea332ff971608 (patch) | |
| tree | 946c82771e4f965025e41b52cb5ec37f4860e818 /drivers/net/ethernet/intel/e1000e/defines.h | |
| parent | bnx2x: fix compilation without CONFIG_BNX2X_SRIOV (diff) | |
| download | linux-dev-bb034512da74dce901f738f7c7cea332ff971608.tar.xz linux-dev-bb034512da74dce901f738f7c7cea332ff971608.zip | |
e1000e: additional error handling on PHY register accesses
PHY reads/writes via the MDIC register could potentially return results
from a previous PHY register access. If that happens, the offset in the
returned results will be that of the previous access and if that is
different from the expected offset, log a debug message and error out.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/defines.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/defines.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h index b7c664f2a95f..a6aeb195390f 100644 --- a/drivers/net/ethernet/intel/e1000e/defines.h +++ b/drivers/net/ethernet/intel/e1000e/defines.h @@ -788,6 +788,7 @@ GG82563_REG(194, 18) /* Inband Control */ /* MDI Control */ +#define E1000_MDIC_REG_MASK 0x001F0000 #define E1000_MDIC_REG_SHIFT 16 #define E1000_MDIC_PHY_SHIFT 21 #define E1000_MDIC_OP_WRITE 0x04000000 |