From 34c5625a459a7dff745bcd862962688b5c795762 Mon Sep 17 00:00:00 2001 From: Carl Huang Date: Fri, 21 Apr 2023 12:44:57 +0300 Subject: [PATCH] wifi: ath12k: set PERST pin no pull request for WCN7850 The PCIe PERST pin is currently pulled down on WCN7850 and it causes some power leakage. Fix it by notifying firmware not to pull down PCIe PERST pin in QMI message for WCN7850. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Carl Huang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230404032057.3236122-3-quic_cjhuang@quicinc.com --- drivers/net/wireless/ath/ath12k/hw.c | 3 ++- drivers/net/wireless/ath/ath12k/qmi.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index cc47cbf9..5991cc9 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -962,7 +962,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .hal_ops = &hal_wcn7850_ops, - .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01) | + BIT(CNSS_PCIE_PERST_NO_PULL_V01), }, { .name = "qcn9274 hw2.0", diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index ad87f19..df76149 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -189,6 +189,7 @@ struct wlfw_host_mlo_chip_info_s_v01 { enum ath12k_qmi_cnss_feature { CNSS_FEATURE_MIN_ENUM_VAL_V01 = INT_MIN, CNSS_QDSS_CFG_MISS_V01 = 3, + CNSS_PCIE_PERST_NO_PULL_V01 = 4, CNSS_MAX_FEATURE_V01 = 64, CNSS_FEATURE_MAX_ENUM_VAL_V01 = INT_MAX, }; -- 2.7.4