diff mbox series

wifi: ath11k: Send PME message during wakeup from D3cold

Message ID 20221010033237.415478-1-quic_bqiang@quicinc.com
State New
Headers show
Series wifi: ath11k: Send PME message during wakeup from D3cold | expand

Commit Message

Baochen Qiang Oct. 10, 2022, 3:32 a.m. UTC 
We are seeing system stuck on some specific platforms due to
WLAN chip fails to wakeup from D3cold state.

With this flag, firmware will send PME message during wakeup
and this issue is gone.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3

Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
---
 drivers/net/wireless/ath/ath11k/qmi.c | 3 +++
 1 file changed, 3 insertions(+)


base-commit: 023baf1318ef21442fab3842bf03883bc81223e0
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 84e3abecbdac..145f20a681bd 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -19,6 +19,7 @@ 
 #define SLEEP_CLOCK_SELECT_INTERNAL_BIT	0x02
 #define HOST_CSTATE_BIT			0x04
 #define PLATFORM_CAP_PCIE_GLOBAL_RESET	0x08
+#define PLATFORM_CAP_PCIE_PME_D3COLD	0x10
 
 #define FW_BUILD_ID_MASK "QC_IMAGE_VERSION_STRING="
 
@@ -1752,6 +1753,8 @@  static int ath11k_qmi_host_cap_send(struct ath11k_base *ab)
 	if (ab->hw_params.global_reset)
 		req.nm_modem |= PLATFORM_CAP_PCIE_GLOBAL_RESET;
 
+	req.nm_modem |= PLATFORM_CAP_PCIE_PME_D3COLD;
+
 	ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi host cap request\n");
 
 	ret = qmi_txn_init(&ab->qmi.handle, &txn,