linux-kernel - [PATCH 02/13] mailbox: omap: Remove unused omap_mbox_request

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Message-ID: <20240325172045.113047-3-afd@ti.com>
Date: Mon, 25 Mar 2024 12:20:34 -0500
From: Andrew Davis <afd@...com>
To: Jassi Brar <jassisinghbrar@...il.com>, Hari Nagalla <hnagalla@...com>,
        Nick Saulnier <nsaulnier@...com>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
CC: <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew
 Davis <afd@...com>
Subject: [PATCH 02/13] mailbox: omap: Remove unused omap_mbox_request_channel() function

This function is not used, remove this function.

Signed-off-by: Andrew Davis <afd@...com>
---
 drivers/mailbox/omap-mailbox.c | 36 ----------------------------------
 include/linux/omap-mailbox.h   |  6 ------
 2 files changed, 42 deletions(-)

diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 624a7ccc27285..8151722eef383 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -389,42 +389,6 @@ static struct omap_mbox *omap_mbox_device_find(struct omap_mbox_device *mdev,
 	return mbox;
 }
 
-struct mbox_chan *omap_mbox_request_channel(struct mbox_client *cl,
-					    const char *chan_name)
-{
-	struct device *dev = cl->dev;
-	struct omap_mbox *mbox = NULL;
-	struct omap_mbox_device *mdev;
-	int ret;
-
-	if (!dev)
-		return ERR_PTR(-ENODEV);
-
-	if (dev->of_node) {
-		pr_err("%s: please use mbox_request_channel(), this API is supported only for OMAP non-DT usage\n",
-		       __func__);
-		return ERR_PTR(-ENODEV);
-	}
-
-	mutex_lock(&omap_mbox_devices_lock);
-	list_for_each_entry(mdev, &omap_mbox_devices, elem) {
-		mbox = omap_mbox_device_find(mdev, chan_name);
-		if (mbox)
-			break;
-	}
-	mutex_unlock(&omap_mbox_devices_lock);
-
-	if (!mbox || !mbox->chan)
-		return ERR_PTR(-ENOENT);
-
-	ret = mbox_bind_client(mbox->chan, cl);
-	if (ret)
-		return ERR_PTR(ret);
-
-	return mbox->chan;
-}
-EXPORT_SYMBOL(omap_mbox_request_channel);
-
 static struct class omap_mbox_class = { .name = "mbox", };
 
 static int omap_mbox_register(struct omap_mbox_device *mdev)
diff --git a/include/linux/omap-mailbox.h b/include/linux/omap-mailbox.h
index 426a80fb32b5c..f8ddf8e814167 100644
--- a/include/linux/omap-mailbox.h
+++ b/include/linux/omap-mailbox.h
@@ -14,10 +14,4 @@ typedef int __bitwise omap_mbox_irq_t;
 #define IRQ_TX ((__force omap_mbox_irq_t) 1)
 #define IRQ_RX ((__force omap_mbox_irq_t) 2)
 
-struct mbox_chan;
-struct mbox_client;
-
-struct mbox_chan *omap_mbox_request_channel(struct mbox_client *cl,
-					    const char *chan_name);
-
 #endif /* OMAP_MAILBOX_H */
-- 
2.39.2