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iwlwifi: mvm: make sure state isn't in d0i3 when stopping fw monitor

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In case platform is in d0i3 - make sure it is awake when
writing the registers to stop the monitor when collecting FW
debug data. Plus, remove unneeded mutex locking currently
done.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Liad Kaufman 2015-01-04 11:03:13 +02:00 • committed by Emmanuel Grumbach
commit e93475a0ff
1 changed files with 7 additions and 2 deletions
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9
drivers/net/wireless/iwlwifi/mvm/debugfs.c
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@ -988,9 +988,14 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
char *buf, size_t count,
loff_t *ppos)
{
mutex_lock(&mvm->mutex);
int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
if (ret)
return ret;
iwl_mvm_fw_dbg_collect(mvm);
mutex_unlock(&mvm->mutex);
iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
return count;
}