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From: Harshitha Prem <quic_hprem@quicinc.com>
To: ath12k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org,
        Karthikeyan Periyasamy <quic_periyasa@quicinc.com>,
        Harshitha Prem <quic_hprem@quicinc.com>,
        Jeff Johnson <quic_jjohnson@quicinc.com>
Subject: [PATCH v5 2/8] wifi: ath12k: Add helpers to get or set ath12k_hw
Date: Wed, 22 May 2024 15:24:33 +0530
Message-Id: <20240522095439.2596989-3-quic_hprem@quicinc.com>
In-Reply-To: <20240522095439.2596989-1-quic_hprem@quicinc.com>
References: <20240522095439.2596989-1-quic_hprem@quicinc.com>
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From: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>

Currently, one or more ath12k_hw is part of a device (ath12k_base) but
in future, it would be part of device group abstraction (ath12k_hw_group),
i.e., when multiple radios (ar) across different devices can be combined
together in a device group (ath12k_hw_group).

In order to facilitate the above transition, introduce helpers such as
ath12k_ab_to_ah() and ath12k_ab_set_ah() to get and set values of ath12k_hw
respectively.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
---
 drivers/net/wireless/ath/ath12k/core.c |  6 +++---
 drivers/net/wireless/ath/ath12k/core.h | 11 +++++++++++
 drivers/net/wireless/ath/ath12k/mac.c  | 23 +++++++++++++----------
 3 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
index 342d0ab12105..3925bb70d479 100644
--- a/drivers/net/wireless/ath/ath12k/core.c
+++ b/drivers/net/wireless/ath/ath12k/core.c
@@ -947,7 +947,7 @@ static void ath12k_rfkill_work(struct work_struct *work)
 	spin_unlock_bh(&ab->base_lock);
 
 	for (i = 0; i < ab->num_hw; i++) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 		if (!ah)
 			continue;
 
@@ -999,7 +999,7 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab)
 		set_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags);
 
 	for (i = 0; i < ab->num_hw; i++) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 		if (!ah || ah->state == ATH12K_HW_STATE_OFF)
 			continue;
 
@@ -1038,7 +1038,7 @@ static void ath12k_core_post_reconfigure_recovery(struct ath12k_base *ab)
 	int i, j;
 
 	for (i = 0; i < ab->num_hw; i++) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 		if (!ah || ah->state == ATH12K_HW_STATE_OFF)
 			continue;
 
diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index 7d20b09c52e6..3f5c9fa9d04c 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -1051,4 +1051,15 @@ static inline struct ieee80211_hw *ath12k_ar_to_hw(struct ath12k *ar)
 #define for_each_ar(ah, ar, index) \
 	for ((index) = 0; ((index) < (ah)->num_radio && \
 	     ((ar) = &(ah)->radio[(index)])); (index)++)
+
+static inline struct ath12k_hw *ath12k_ab_to_ah(struct ath12k_base *ab, int idx)
+{
+	return ab->ah[idx];
+}
+
+static inline void ath12k_ab_set_ah(struct ath12k_base *ab, int idx,
+				    struct ath12k_hw *ah)
+{
+	ab->ah[idx] = ah;
+}
 #endif /* _CORE_H_ */
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 784964ae03ec..f8e8320b8598 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -9158,7 +9158,7 @@ int ath12k_mac_register(struct ath12k_base *ab)
 	ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
 
 	for (i = 0; i < ab->num_hw; i++) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 
 		ret = ath12k_mac_hw_register(ah);
 		if (ret)
@@ -9169,7 +9169,7 @@ int ath12k_mac_register(struct ath12k_base *ab)
 
 err:
 	for (i = i - 1; i >= 0; i--) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 		if (!ah)
 			continue;
 
@@ -9185,7 +9185,7 @@ void ath12k_mac_unregister(struct ath12k_base *ab)
 	int i;
 
 	for (i = ab->num_hw - 1; i >= 0; i--) {
-		ah = ab->ah[i];
+		ah = ath12k_ab_to_ah(ab, i);
 		if (!ah)
 			continue;
 
@@ -9243,6 +9243,7 @@ static struct ath12k_hw *ath12k_mac_hw_allocate(struct ath12k_base *ab,
 void ath12k_mac_destroy(struct ath12k_base *ab)
 {
 	struct ath12k_pdev *pdev;
+	struct ath12k_hw *ah;
 	int i;
 
 	for (i = 0; i < ab->num_radios; i++) {
@@ -9254,11 +9255,12 @@ void ath12k_mac_destroy(struct ath12k_base *ab)
 	}
 
 	for (i = 0; i < ab->num_hw; i++) {
-		if (!ab->ah[i])
+		ah = ath12k_ab_to_ah(ab, i);
+		if (!ah)
 			continue;
 
-		ath12k_mac_hw_destroy(ab->ah[i]);
-		ab->ah[i] = NULL;
+		ath12k_mac_hw_destroy(ah);
+		ath12k_ab_set_ah(ab, i, NULL);
 	}
 }
 
@@ -9289,7 +9291,7 @@ int ath12k_mac_allocate(struct ath12k_base *ab)
 			goto err;
 		}
 
-		ab->ah[i] = ah;
+		ath12k_ab_set_ah(ab, i, ah);
 	}
 
 	ath12k_dp_pdev_pre_alloc(ab);
@@ -9298,11 +9300,12 @@ int ath12k_mac_allocate(struct ath12k_base *ab)
 
 err:
 	for (i = i - 1; i >= 0; i--) {
-		if (!ab->ah[i])
+		ah = ath12k_ab_to_ah(ab, i);
+		if (!ah)
 			continue;
 
-		ath12k_mac_hw_destroy(ab->ah[i]);
-		ab->ah[i] = NULL;
+		ath12k_mac_hw_destroy(ah);
+		ath12k_ab_set_ah(ab, i, NULL);
 	}
 
 	return ret;
-- 
2.34.1