From: Aaron Salter aaron.k.salter@intel.com
[ Upstream commit 96a39aed25e6559b160786117df124084feb9080 ]
Acquire NVM lock before reads on all devices. Previously, locks were only used for X722 and later. Fixes an issue where simultaneous X710 NVM accesses were interfering with each other.
Change-ID: If570bb7acf958cef58725ec2a2011cead6f80638 Signed-off-by: Aaron Salter aaron.k.salter@intel.com Tested-by: Andrew Bowers andrewx.bowers@intel.com Signed-off-by: Jeff Kirsher jeffrey.t.kirsher@intel.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/net/ethernet/intel/i40e/i40e_nvm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 954efe3118db..abe290bfc638 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -292,14 +292,14 @@ i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, { enum i40e_status_code ret_code = 0;
- if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) { - ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); - if (!ret_code) { + ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (!ret_code) { + if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) { ret_code = i40e_read_nvm_word_aq(hw, offset, data); - i40e_release_nvm(hw); + } else { + ret_code = i40e_read_nvm_word_srctl(hw, offset, data); } - } else { - ret_code = i40e_read_nvm_word_srctl(hw, offset, data); + i40e_release_nvm(hw); } return ret_code; }