linux-kernel - [PATCH v2 1/6] rpmsg: glink: Extract tx kick operation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 13 Feb 2023 07:52:10 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Chris Lew <quic_clew@...cinc.com>
CC:     <linux-arm-msm@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/6] rpmsg: glink: Extract tx kick operation

Refactor out the tx kick operations to its own function, in preparation
for pushing the details to the individual transports.

Reviewed-by: Chris Lew <quic_clew@...cinc.com>
Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---

Changes since v1:
- None

 drivers/rpmsg/qcom_glink_native.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 115c0a1eddb1..5fd8b70271b7 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -303,6 +303,12 @@ static void qcom_glink_tx_write(struct qcom_glink *glink,
 	glink->tx_pipe->write(glink->tx_pipe, hdr, hlen, data, dlen);
 }
 
+static void qcom_glink_tx_kick(struct qcom_glink *glink)
+{
+	mbox_send_message(glink->mbox_chan, NULL);
+	mbox_client_txdone(glink->mbox_chan, 0);
+}
+
 static void qcom_glink_send_read_notify(struct qcom_glink *glink)
 {
 	struct glink_msg msg;
@@ -313,8 +319,7 @@ static void qcom_glink_send_read_notify(struct qcom_glink *glink)
 
 	qcom_glink_tx_write(glink, &msg, sizeof(msg), NULL, 0);
 
-	mbox_send_message(glink->mbox_chan, NULL);
-	mbox_client_txdone(glink->mbox_chan, 0);
+	qcom_glink_tx_kick(glink);
 }
 
 static int qcom_glink_tx(struct qcom_glink *glink,
@@ -355,9 +360,7 @@ static int qcom_glink_tx(struct qcom_glink *glink,
 	}
 
 	qcom_glink_tx_write(glink, hdr, hlen, data, dlen);
-
-	mbox_send_message(glink->mbox_chan, NULL);
-	mbox_client_txdone(glink->mbox_chan, 0);
+	qcom_glink_tx_kick(glink);
 
 out:
 	spin_unlock_irqrestore(&glink->tx_lock, flags);
@@ -1046,9 +1049,7 @@ static irqreturn_t qcom_glink_native_intr(int irq, void *data)
 			break;
 		case RPM_CMD_READ_NOTIF:
 			qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
-
-			mbox_send_message(glink->mbox_chan, NULL);
-			mbox_client_txdone(glink->mbox_chan, 0);
+			qcom_glink_tx_kick(glink);
 			break;
 		case RPM_CMD_INTENT:
 			qcom_glink_handle_intent(glink, param1, param2, avail);
-- 
2.25.1