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Message-Id: <20220325150420.936637650@linuxfoundation.org>
Date:   Fri, 25 Mar 2022 16:14:36 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Bryan ODonoghue <bryan.odonoghue@...aro.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Kalle Valo <quic_kvalo@...cinc.com>
Subject: [PATCH 5.15 35/37] wcn36xx: Differentiate wcn3660 from wcn3620

From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>

commit 98d504a82cc75840bec8e3c6ae0e4f411921962b upstream.

The spread of capability between the three WiFi silicon parts wcn36xx
supports is:

wcn3620 - 802.11 a/b/g
wcn3660 - 802.11 a/b/g/n
wcn3680 - 802.11 a/b/g/n/ac

We currently treat wcn3660 as wcn3620 thus limiting it to 2GHz channels.
Fix this regression by ensuring we differentiate between all three parts.

Fixes: 8490987bdb9a ("wcn36xx: Hook and identify RF_IRIS_WCN3680")
Cc: stable@...r.kernel.org
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Reviewed-by: Loic Poulain <loic.poulain@...aro.org>
Signed-off-by: Kalle Valo <quic_kvalo@...cinc.com>
Link: https://lore.kernel.org/r/20220125004046.4058284-1-bryan.odonoghue@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/wireless/ath/wcn36xx/main.c    |    3 +++
 drivers/net/wireless/ath/wcn36xx/wcn36xx.h |    1 +
 2 files changed, 4 insertions(+)

--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1474,6 +1474,9 @@ static int wcn36xx_platform_get_resource
 	if (iris_node) {
 		if (of_device_is_compatible(iris_node, "qcom,wcn3620"))
 			wcn->rf_id = RF_IRIS_WCN3620;
+		if (of_device_is_compatible(iris_node, "qcom,wcn3660") ||
+		    of_device_is_compatible(iris_node, "qcom,wcn3660b"))
+			wcn->rf_id = RF_IRIS_WCN3660;
 		if (of_device_is_compatible(iris_node, "qcom,wcn3680"))
 			wcn->rf_id = RF_IRIS_WCN3680;
 		of_node_put(iris_node);
--- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
+++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h
@@ -97,6 +97,7 @@ enum wcn36xx_ampdu_state {
 
 #define RF_UNKNOWN	0x0000
 #define RF_IRIS_WCN3620	0x3620
+#define RF_IRIS_WCN3660	0x3660
 #define RF_IRIS_WCN3680	0x3680
 
 static inline void buff_to_be(u32 *buf, size_t len)


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