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path: root/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
index c59f4581e972..ac05fd1e74c4 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -49,6 +49,7 @@
*
*****************************************************************************/
#include "iwl-trans.h"
+#include "iwl-prph.h"
#include "iwl-context-info.h"
#include "internal.h"
@@ -156,6 +157,11 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power)
trans_pcie->is_down = true;
+ /* Stop dbgc before stopping device */
+ iwl_write_prph(trans, DBGC_IN_SAMPLE, 0);
+ udelay(100);
+ iwl_write_prph(trans, DBGC_OUT_CTRL, 0);
+
/* tell the device to stop sending interrupts */
iwl_disable_interrupts(trans);