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iwlwifi: mvm: save and export regdb blob from the NVM

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Sometimes we want to debug issues related to the regulatory blob in
the NVM.  To make that easier, add a debugfs entry to export it
together with the other nvm blobs we export.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2018-08-13 15:30:35 +03:00
parent e6aeeb4f45
commit 0f8bf03c86
3 changed files with 9 additions and 0 deletions
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3
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -2028,6 +2028,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
if (!debugfs_create_blob("nvm_phy_sku", 0400,
mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
goto err;
if (!debugfs_create_blob("nvm_reg", S_IRUSR,
mvm->debugfs_dir, &mvm->nvm_reg_blob))
goto err;
debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops);

1
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -965,6 +965,7 @@ struct iwl_mvm {
struct debugfs_blob_wrapper nvm_calib_blob;
struct debugfs_blob_wrapper nvm_prod_blob;
struct debugfs_blob_wrapper nvm_phy_sku_blob;
struct debugfs_blob_wrapper nvm_reg_blob;
struct iwl_mvm_frame_stats drv_rx_stats;
spinlock_t drv_stats_lock;

5
drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
View File

@ -416,6 +416,11 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
mvm->nvm_phy_sku_blob.data = temp;
mvm->nvm_phy_sku_blob.size = ret;
break;
case NVM_SECTION_TYPE_REGULATORY_SDP:
case NVM_SECTION_TYPE_REGULATORY:
mvm->nvm_reg_blob.data = temp;
mvm->nvm_reg_blob.size = ret;
break;
default:
if (section == mvm->cfg->nvm_hw_section_num) {
mvm->nvm_hw_blob.data = temp;