diff options
| author | Shannon Nelson <shannon.nelson@intel.com> | 2014-11-13 08:23:21 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-12-09 12:57:04 -0800 |
| commit | a3f0b381ee4a84b633ea60ffa8e01f84e9528c75 (patch) | |
| tree | b7ecb0315f2d7ecd7dc86f8d17ef714cdec8d4e0 | |
| parent | 0fdd052c8c101afb6fa9dac753e5a6fa4b265628 (diff) | |
i40e: poll on NVM semaphore only if not other error
Only poll on the NVM semaphore if there's time left on a previous
reservation. Also, add a little more info to debug messages.
Change-ID: I2439bf870b95a28b810dcb5cca1c06440463cf8a
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_nvm.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index f3d1c85d7ab8..0fc62fc941e8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -93,10 +93,15 @@ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, /* Store the timeout */ hw->nvm.hw_semaphore_timeout = I40E_MS_TO_GTIME(time_left) + gtime; - if (ret_code) { + if (ret_code) + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM acquire type %d failed time_left=%llu ret=%d aq_err=%d\n", + access, time_left, ret_code, hw->aq.asq_last_status); + + if (ret_code && time_left) { /* Poll until the current NVM owner timeouts */ timeout = I40E_MS_TO_GTIME(I40E_MAX_NVM_TIMEOUT) + gtime; - while (gtime < timeout) { + while ((gtime < timeout) && time_left) { usleep_range(10000, 20000); gtime = rd32(hw, I40E_GLVFGEN_TIMER); ret_code = i40e_aq_request_resource(hw, @@ -112,8 +117,8 @@ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, if (ret_code) { hw->nvm.hw_semaphore_timeout = 0; i40e_debug(hw, I40E_DEBUG_NVM, - "NVM acquire timed out, wait %llu ms before trying again.\n", - time_left); + "NVM acquire timed out, wait %llu ms before trying again. status=%d aq_err=%d\n", + time_left, ret_code, hw->aq.asq_last_status); } } |