diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index 5b5134dd49af..8fba190e84cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -298,17 +298,20 @@ int iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans, if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) return 0; - ret = iwl_pcie_ctxt_info_alloc_dma(trans, data, len, - &trans_pcie->pnvm_dram); - if (ret < 0) { - IWL_DEBUG_FW(trans, "Failed to allocate PNVM DMA %d.\n", - ret); - return ret; + /* only allocate the DRAM if not allocated yet */ + if (!trans->pnvm_loaded) { + if (WARN_ON(prph_sc_ctrl->pnvm_cfg.pnvm_size)) + return -EBUSY; + + ret = iwl_pcie_ctxt_info_alloc_dma(trans, data, len, + &trans_pcie->pnvm_dram); + if (ret < 0) { + IWL_DEBUG_FW(trans, "Failed to allocate PNVM DMA %d.\n", + ret); + return ret; + } } - if (WARN_ON(prph_sc_ctrl->pnvm_cfg.pnvm_size)) - return -EBUSY; - prph_sc_ctrl->pnvm_cfg.pnvm_base_addr = cpu_to_le64(trans_pcie->pnvm_dram.physical); prph_sc_ctrl->pnvm_cfg.pnvm_size = |