Patch "soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     soc-ti-wkup_m3_ipc-send-null-dummy-message-instead-o.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 2263d6a771aab3703520bbce7e2f2ce3727305ce
Author: Andrew Davis <afd@xxxxxx>
Date:   Mon Mar 25 11:55:07 2024 -0500

    soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message
    
    [ Upstream commit ddbf3204f600a4d1f153498f618369fca352ae00 ]
    
    mbox_send_message() sends a u32 bit message, not a pointer to a message.
    We only convert to a pointer type as a generic type. If we want to send
    a dummy message of 0, then simply send 0 (NULL).
    
    Signed-off-by: Andrew Davis <afd@xxxxxx>
    Link: https://lore.kernel.org/r/20240325165507.30323-1-afd@xxxxxx
    Signed-off-by: Nishanth Menon <nm@xxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c
index 3aff106fc11a0..9a22932984232 100644
--- a/drivers/soc/ti/wkup_m3_ipc.c
+++ b/drivers/soc/ti/wkup_m3_ipc.c
@@ -16,7 +16,6 @@
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/omap-mailbox.h>
 #include <linux/platform_device.h>
 #include <linux/remoteproc.h>
 #include <linux/suspend.h>
@@ -314,7 +313,6 @@ static irqreturn_t wkup_m3_txev_handler(int irq, void *ipc_data)
 static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 {
 	struct device *dev = m3_ipc->dev;
-	mbox_msg_t dummy_msg = 0;
 	int ret;
 
 	if (!m3_ipc->mbox) {
@@ -330,7 +328,7 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 	 * the RX callback to avoid multiple interrupts being received
 	 * by the CM3.
 	 */
-	ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
+	ret = mbox_send_message(m3_ipc->mbox, NULL);
 	if (ret < 0) {
 		dev_err(dev, "%s: mbox_send_message() failed: %d\n",
 			__func__, ret);
@@ -352,7 +350,6 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
 static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
 {
 	struct device *dev = m3_ipc->dev;
-	mbox_msg_t dummy_msg = 0;
 	int ret;
 
 	if (!m3_ipc->mbox) {
@@ -361,7 +358,7 @@ static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
 		return -EIO;
 	}
 
-	ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
+	ret = mbox_send_message(m3_ipc->mbox, NULL);
 	if (ret < 0) {
 		dev_err(dev, "%s: mbox_send_message() failed: %d\n",
 			__func__, ret);




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