Merge tag 'tegra-for-6.12-firmware' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

firmware: tegra: Changes for v6.12-rc1

The changes in this set remove some unused code and simplify error paths
using scoped helpers.

* tag 'tegra-for-6.12-firmware' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  firmware: tegra: bpmp: Use scoped device node handling to simplify error paths
  firmware: tegra: bpmp: Drop unused mbox_client_to_bpmp()

Link: https://lore.kernel.org/r/20240830141004.3195210-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/firmware/tegra/bpmp.c

@@ -3,6 +3,7 @@
  * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
  */
 
+#include <linux/cleanup.h>
 #include <linux/clk/tegra.h>
 #include <linux/genalloc.h>
 #include <linux/mailbox_client.h>
@@ -24,12 +25,6 @@
 #define MSG_RING	BIT(1)
 #define TAG_SZ		32
 
-static inline struct tegra_bpmp *
-mbox_client_to_bpmp(struct mbox_client *client)
-{
-	return container_of(client, struct tegra_bpmp, mbox.client);
-}
-
 static inline const struct tegra_bpmp_ops *
 channel_to_ops(struct tegra_bpmp_channel *channel)
 {
@@ -40,29 +35,24 @@ channel_to_ops(struct tegra_bpmp_channel *channel)
 
 struct tegra_bpmp *tegra_bpmp_get(struct device *dev)
 {
+	struct device_node *np __free(device_node);
 	struct platform_device *pdev;
 	struct tegra_bpmp *bpmp;
-	struct device_node *np;
 
 	np = of_parse_phandle(dev->of_node, "nvidia,bpmp", 0);
 	if (!np)
 		return ERR_PTR(-ENOENT);
 
 	pdev = of_find_device_by_node(np);
-	if (!pdev) {
-		bpmp = ERR_PTR(-ENODEV);
-		goto put;
-	}
+	if (!pdev)
+		return ERR_PTR(-ENODEV);
 
 	bpmp = platform_get_drvdata(pdev);
 	if (!bpmp) {
-		bpmp = ERR_PTR(-EPROBE_DEFER);
 		put_device(&pdev->dev);
-		goto put;
+		return ERR_PTR(-EPROBE_DEFER);
 	}
 
-put:
-	of_node_put(np);
 	return bpmp;
 }
 EXPORT_SYMBOL_GPL(tegra_bpmp_get);