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Date:   Tue, 25 May 2021 18:29:36 +0800
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Subject: [PATCH 07/12] Bluetooth: use inclusive language when tracking connections
From:   Archie Pusaka <apusaka@google.com>
To:     linux-bluetooth <linux-bluetooth@vger.kernel.org>,
        Marcel Holtmann <marcel@holtmann.org>
Cc:     CrosBT Upstreaming <chromeos-bluetooth-upstreaming@chromium.org>,
        Archie Pusaka <apusaka@chromium.org>,
        Miao-chen Chou <mcchou@chromium.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
        linux-kernel@vger.kernel.org, netdev@vger.kernel.org
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From: Archie Pusaka <apusaka@chromium.org>

Use "central" and "peripheral".

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>

---

 include/net/bluetooth/hci_core.h |  6 +++---
 net/bluetooth/hci_event.c        |  4 ++--
 net/bluetooth/hci_request.c      | 17 +++++++++--------
 3 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 929768f6ed93..cfe2ada49ca2 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -122,7 +122,7 @@ struct hci_conn_hash {
 	unsigned int     amp_num;
 	unsigned int     sco_num;
 	unsigned int     le_num;
-	unsigned int     le_num_slave;
+	unsigned int     le_num_peripheral;
 };
 
 struct bdaddr_list {
@@ -894,7 +894,7 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
 	case LE_LINK:
 		h->le_num++;
 		if (c->role == HCI_ROLE_PERIPHERAL)
-			h->le_num_slave++;
+			h->le_num_peripheral++;
 		break;
 	case SCO_LINK:
 	case ESCO_LINK:
@@ -920,7 +920,7 @@ static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
 	case LE_LINK:
 		h->le_num--;
 		if (c->role == HCI_ROLE_PERIPHERAL)
-			h->le_num_slave--;
+			h->le_num_peripheral--;
 		break;
 	case SCO_LINK:
 	case ESCO_LINK:
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index a809e90326d7..c5871c2a16ba 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -5384,9 +5384,9 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
 		return NULL;
 
 	/* Most controller will fail if we try to create new connections
-	 * while we have an existing one in slave role.
+	 * while we have an existing one in peripheral role.
 	 */
-	if (hdev->conn_hash.le_num_slave > 0 &&
+	if (hdev->conn_hash.le_num_peripheral > 0 &&
 	    (!test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) ||
 	     !(hdev->le_states[3] & 0x10)))
 		return NULL;
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index fa9125b782f8..28a477a7d320 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -1502,13 +1502,14 @@ static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable)
 	if (hci_conn_num(hdev, LE_LINK) == 0)
 		return true;
 
-	/* Check le_states if there is any connection in slave role. */
-	if (hdev->conn_hash.le_num_slave > 0) {
-		/* Slave connection state and non connectable mode bit 20. */
+	/* Check le_states if there is any connection in peripheral role. */
+	if (hdev->conn_hash.le_num_peripheral > 0) {
+		/* Peripheral connection state and non connectable mode bit 20.
+		 */
 		if (!connectable && !(hdev->le_states[2] & 0x10))
 			return false;
 
-		/* Slave connection state and connectable mode bit 38
+		/* Peripheral connection state and connectable mode bit 38
 		 * and scannable bit 21.
 		 */
 		if (connectable && (!(hdev->le_states[4] & 0x40) ||
@@ -1516,13 +1517,13 @@ static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable)
 			return false;
 	}
 
-	/* Check le_states if there is any connection in master role. */
-	if (hci_conn_num(hdev, LE_LINK) != hdev->conn_hash.le_num_slave) {
-		/* Master connection state and non connectable mode bit 18. */
+	/* Check le_states if there is any connection in central role. */
+	if (hci_conn_num(hdev, LE_LINK) != hdev->conn_hash.le_num_peripheral) {
+		/* Central connection state and non connectable mode bit 18. */
 		if (!connectable && !(hdev->le_states[2] & 0x02))
 			return false;
 
-		/* Master connection state and connectable mode bit 35 and
+		/* Central connection state and connectable mode bit 35 and
 		 * scannable 19.
 		 */
 		if (connectable && (!(hdev->le_states[4] & 0x08) ||
-- 
2.31.1.818.g46aad6cb9e-goog