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authorAvraham Stern <avraham.stern@intel.com>2019-02-27 11:51:11 +0200
committerLuca Coelho <luciano.coelho@intel.com>2019-04-03 11:20:04 +0300
commitafc1e3b4fc8f979150e85fc7649444019aeffe18 (patch)
tree155a2cbd22cfa78dc02a872032af5ce089743a38 /drivers/net/wireless/intel/iwlwifi/mvm/utils.c
parent56fe12d2837fbe5ddaebe8011538d25c48163d49 (diff)
iwlwifi: mvm: use correct GP2 register address for 22000 family
The device time register address has changed for 22000 devices. Add a util function for getting the GP2 time and use the correct register address depending on the device family. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/utils.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/utils.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 4649327abb45..b9914efc55c4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -1418,6 +1418,16 @@ void iwl_mvm_tcm_rm_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
cancel_delayed_work_sync(&mvmvif->uapsd_nonagg_detected_wk);
}
+u32 iwl_mvm_get_systime(struct iwl_mvm *mvm)
+{
+ u32 reg_addr = DEVICE_SYSTEM_TIME_REG;
+
+ if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000 &&
+ mvm->trans->cfg->gp2_reg_addr)
+ reg_addr = mvm->trans->cfg->gp2_reg_addr;
+
+ return iwl_read_prph(mvm->trans, reg_addr);
+}
void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime)
{
@@ -1432,7 +1442,7 @@ void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime)
iwl_mvm_power_update_device(mvm);
}
- *gp2 = iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG);
+ *gp2 = iwl_mvm_get_systime(mvm);
*boottime = ktime_get_boot_ns();
if (!ps_disabled) {