linux-kernel - [PATCH 02/12] wifi: wcn36xx: make use of QCOM_FW

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Date: Tue, 21 May 2024 12:45:22 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Loic Poulain <loic.poulain@...aro.org>, Kalle Valo <kvalo@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 wcn36xx@...ts.infradead.org, linux-wireless@...r.kernel.org, 
 linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org, 
 Arnd Bergmann <arnd@...db.de>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH 02/12] wifi: wcn36xx: make use of QCOM_FW_HELPER

Make the driver use qcom_fw_helper to autodetect the path to the
calibration data file.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/net/wireless/ath/wcn36xx/Kconfig | 1 +
 drivers/net/wireless/ath/wcn36xx/main.c  | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ath/wcn36xx/Kconfig b/drivers/net/wireless/ath/wcn36xx/Kconfig
index 5832c7ef9352..90239c89676a 100644
--- a/drivers/net/wireless/ath/wcn36xx/Kconfig
+++ b/drivers/net/wireless/ath/wcn36xx/Kconfig
@@ -4,6 +4,7 @@ config WCN36XX
 	depends on MAC80211 && HAS_DMA
 	depends on QCOM_WCNSS_CTRL || QCOM_WCNSS_CTRL=n
 	depends on RPMSG || RPMSG=n
+	select QCOM_FW_HELPER
 	help
 	  This module adds support for wireless adapters based on
 	  Qualcomm Atheros WCN3660 and WCN3680 mobile chipsets.
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index e760d8002e09..8d25db81c1d0 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -22,6 +22,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/rpmsg.h>
+#include <linux/soc/qcom/fw_helper.h>
 #include <linux/soc/qcom/smem_state.h>
 #include <linux/soc/qcom/wcnss_ctrl.h>
 #include <net/ipv6.h>
@@ -1609,6 +1610,10 @@ static int wcn36xx_probe(struct platform_device *pdev)
 		goto out_wq;
 	}
 
+	wcn->nv_file = devm_qcom_get_board_fw(wcn->dev, wcn->nv_file);
+	if (!wcn->nv_file)
+		return -ENOMEM;
+
 	wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw);
 	if (IS_ERR(wcn->smd_channel)) {
 		wcn36xx_err("failed to open WLAN_CTRL channel\n");

-- 
2.39.2