diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index e2eb130dae98..d6beac9af029 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -32,6 +32,7 @@ #include <linux/ieee80211.h> #include <linux/slab.h> #include <linux/sched.h> +#include <linux/pm_runtime.h> #include <net/ip6_checksum.h> #include <net/tso.h> @@ -1799,6 +1800,16 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", iwl_get_cmd_string(trans, cmd->id)); + if (pm_runtime_suspended(&trans_pcie->pci_dev->dev)) { + ret = wait_event_timeout(trans_pcie->d0i3_waitq, + pm_runtime_active(&trans_pcie->pci_dev->dev), + msecs_to_jiffies(IWL_TRANS_IDLE_TIMEOUT)); + if (!ret) { + IWL_ERR(trans, "Timeout exiting D0i3 before hcmd\n"); + return -ETIMEDOUT; + } + } + cmd_idx = iwl_pcie_enqueue_hcmd(trans, cmd); if (cmd_idx < 0) { ret = cmd_idx; |