diff mbox series

[08/14] wifi: iwlwifi: pcie: adjust Bz device timings

Message ID 20230531194629.9a5627c1ff18.Ifcfbccd5458bd9ebd496aa834284fb0facfcaaef@changeid
State New
Headers show
Series wifi: iwlwifi: updates intended for v6.5 2023-05-31 | expand

Commit Message

Greenman, Gregory May 31, 2023, 4:50 p.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

The 100ms shouldn't be needed, only 10ms. However after
reset we should have 10ms as well for these devices.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index b281850fbf7a..db10bd3c1058 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -131,13 +131,15 @@  static int iwl_trans_pcie_sw_reset(struct iwl_trans *trans,
 				   bool retake_ownership)
 {
 	/* Reset entire device - do controller reset (results in SHRD_HW_RST) */
-	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
+	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
 		iwl_set_bit(trans, CSR_GP_CNTRL,
 			    CSR_GP_CNTRL_REG_FLAG_SW_RESET);
-	else
+		usleep_range(10000, 20000);
+	} else {
 		iwl_set_bit(trans, CSR_RESET,
 			    CSR_RESET_REG_FLAG_SW_RESET);
-	usleep_range(5000, 6000);
+		usleep_range(5000, 6000);
+	}
 
 	if (retake_ownership)
 		return iwl_pcie_prepare_card_hw(trans);
@@ -475,7 +477,7 @@  void iwl_pcie_apm_stop_master(struct iwl_trans *trans)
 				   CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS,
 				   CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS,
 				   100);
-		msleep(100);
+		usleep_range(10000, 20000);
 	} else {
 		iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);