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40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
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From 3f9b09ccf7d5f23066b02881a737bee42def9d1a Mon Sep 17 00:00:00 2001
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From: Baochen Qiang <quic_bqiang@quicinc.com>
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Date: Mon, 10 Oct 2022 11:32:37 +0800
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Subject: [PATCH 9/9] wifi: ath11k: Send PME message during wakeup from D3cold
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We are seeing system stuck on some specific platforms due to
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WLAN chip fails to wakeup from D3cold state.
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With this flag, firmware will send PME message during wakeup
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and this issue is gone.
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Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3
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Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
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Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
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Link: https://lore.kernel.org/r/20221010033237.415478-1-quic_bqiang@quicinc.com
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---
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drivers/net/wireless/ath/ath11k/qmi.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/wireless/ath/ath11k/qmi.c
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+++ b/drivers/net/wireless/ath/ath11k/qmi.c
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@@ -19,6 +19,7 @@
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#define SLEEP_CLOCK_SELECT_INTERNAL_BIT 0x02
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#define HOST_CSTATE_BIT 0x04
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#define PLATFORM_CAP_PCIE_GLOBAL_RESET 0x08
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+#define PLATFORM_CAP_PCIE_PME_D3COLD 0x10
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#define FW_BUILD_ID_MASK "QC_IMAGE_VERSION_STRING="
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@@ -1752,6 +1753,8 @@ static int ath11k_qmi_host_cap_send(stru
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if (ab->hw_params.global_reset)
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req.nm_modem |= PLATFORM_CAP_PCIE_GLOBAL_RESET;
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+ req.nm_modem |= PLATFORM_CAP_PCIE_PME_D3COLD;
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+
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ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi host cap request\n");
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ret = qmi_txn_init(&ab->qmi.handle, &txn,
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