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ixgbe: fix the FWSM.PT check in ixgbe_mng_present()

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Bits other than FWSM.PT can be set in IXGBE_SWFW_MODE_MASK making the
previous check invalid.

Change the check for MNG present to be only based on FWSM.PT bit.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Emil Tantilov 2017-09-11 14:21:36 -07:00 committed by Jeff Kirsher
parent dcfd6b839c
commit c3aec05dfe
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
View file

@ -4100,8 +4100,8 @@ bool ixgbe_mng_present(struct ixgbe_hw *hw)
return false;
fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM(hw));
fwsm &= IXGBE_FWSM_MODE_MASK;
return fwsm == IXGBE_FWSM_FW_MODE_PT;
return !!(fwsm & IXGBE_FWSM_FW_MODE_PT);
}
/**