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[PATCH 12/13] ath9k: Add ATH_OP_MULTI_CHANNEL

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From: Felix Fietkau <nbd@xxxxxxxxxxx>

Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath.h           |  1 +
 drivers/net/wireless/ath/ath9k/channel.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index a889fd6..fd9e530 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -63,6 +63,7 @@ enum ath_op_flags {
 	ATH_OP_PRIM_STA_VIF,
 	ATH_OP_HW_RESET,
 	ATH_OP_SCANNING,
+	ATH_OP_MULTI_CHANNEL,
 };
 
 enum ath_bus_type {
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index f7842ee..3cb86f4 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -186,8 +186,10 @@ ath_chanctx_send_vif_ps_frame(struct ath_softc *sc, struct ath_vif *avp,
 
 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_vif *avp;
 	bool active = false;
+	u8 i, n_active = 0;
 
 	if (!ctx)
 		return;
@@ -207,6 +209,16 @@ void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
 		}
 	}
 	ctx->active = active;
+
+	for (i = 0; i < ATH9K_NUM_CHANCTX; i++) {
+		ctx = &sc->chanctx[i];
+		if (ctx->assigned && !list_empty(&ctx->vifs))
+			n_active++;
+	}
+	if (n_active > 1)
+		set_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags);
+	else
+		clear_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags);
 }
 
 static bool
-- 
2.0.0

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