Commit 34c5625a authored by Carl Huang's avatar Carl Huang Committed by Kalle Valo
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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: default avatarCarl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230404032057.3236122-3-quic_cjhuang@quicinc.com
parent 9981a3ac

drivers/net/wireless/ath/ath12k/hw.c

+2 −1
Original line number Diff line number Diff line
@@ -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",

drivers/net/wireless/ath/ath12k/qmi.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

};