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authorJohannes Berg <johannes.berg@intel.com>2021-01-15 13:05:51 +0200
committerKalle Valo <kvalo@codeaurora.org>2021-01-25 15:52:56 +0200
commit82a08d0cd7b503be426fb856a0fb73c9c976aae1 (patch)
treea229cfb026fec7d3cb6f5571762b408885122801 /drivers
parent1c58bed4b7f7551239b9005ad0a9a6566a3d9fbe (diff)
iwlwifi: pnvm: don't try to load after failures
If loading the PNVM file failed on the first try during the interface up, the file is unlikely to show up later, and we already don't try to reload it if it changes, so just don't try loading it again and again. This also fixes some issues where we may try to load it at resume time, which may not be possible yet. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Fixes: 6972592850c0 ("iwlwifi: read and parse PNVM file") Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/iwlwifi.20210115130252.5ac6828a0bbe.I7d308358b21d3c0c84b1086999dbc7267f86e219@changeid
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/pnvm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
index ebd1a09a2fb8..895a907acdf0 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
@@ -232,7 +232,7 @@ int iwl_pnvm_load(struct iwl_trans *trans,
if (!trans->sku_id[0] && !trans->sku_id[1] && !trans->sku_id[2])
return 0;
- /* load from disk only if we haven't done it before */
+ /* load from disk only if we haven't done it (or tried) before */
if (!trans->pnvm_loaded) {
const struct firmware *pnvm;
char pnvm_name[64];
@@ -253,6 +253,12 @@ int iwl_pnvm_load(struct iwl_trans *trans,
if (ret) {
IWL_DEBUG_FW(trans, "PNVM file %s not found %d\n",
pnvm_name, ret);
+ /*
+ * Pretend we've loaded it - at least we've tried and
+ * couldn't load it at all, so there's no point in
+ * trying again over and over.
+ */
+ trans->pnvm_loaded = true;
} else {
iwl_pnvm_parse(trans, pnvm->data, pnvm->size);