From: Emmanuel Grumbach emmanuel.grumbach@intel.com
[ Upstream commit 28965ec0b5d9112585f725660e2ff13218505ace ]
Since we didn't reset t to 0, only the first iteration of the loop did checked the ready bit several times.
From the second iteration and on, we just tested the bit once and
continued to the next iteration.
Reported-and-tested-by: Lorenzo Zolfanelli lorenzo@zolfa.nl Link: https://bugzilla.kernel.org/show_bug.cgi?id=216452 Fixes: 289e5501c314 ("iwlwifi: fix the preparation of the card") Signed-off-by: Emmanuel Grumbach emmanuel.grumbach@intel.com Signed-off-by: Gregory Greenman gregory.greenman@intel.com Link: https://lore.kernel.org/r/20230416154301.615b683ab9c8.Ic52c3229d3345b0064fa3... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 1690d7a4bd9c0..54f11f60f11c4 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -599,7 +599,6 @@ static int iwl_pcie_set_hw_ready(struct iwl_trans *trans) int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) { int ret; - int t = 0; int iter;
IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); @@ -616,6 +615,8 @@ int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) usleep_range(1000, 2000);
for (iter = 0; iter < 10; iter++) { + int t = 0; + /* If HW is not ready, prepare the conditions to check again */ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE);