diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index a17afe01c0c..92ecdd9abd9 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1570,6 +1570,7 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ + unsigned long reg_flags; if (num_events == 0) return; @@ -1583,24 +1584,33 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&priv->reg_lock, reg_flags); + iwl_grab_nic_access(priv); + + /* Set starting address; reads will auto-increment */ + _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); + rmb(); + /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - time = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); } else { - data = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev); trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } + + /* Allow device to power down */ + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); } /* For sanity check only. Actual size is determined by uCode, typ. 512 */ |