From: Liad Kaufman <liad.kaufman@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/debugfs.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index f89b795..afd1986 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -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;
}
--
1.9.1
--
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