linux-kernel - [PATCH 13/13] platform/raspberrypi: vchiq: Register vc-sm-cma as a platform driver

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Message-Id: <20251031-b4-vc-sm-cma-v1-13-0dd5c0ec3f5c@ideasonboard.com>
Date: Fri, 31 Oct 2025 22:57:33 +0530
From: Jai Luthra <jai.luthra@...asonboard.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>, 
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, 
 bcm-kernel-feedback-list@...adcom.com
Cc: Dave Stevenson <dave.stevenson@...pberrypi.com>, 
 Phil Elwell <phil@...pberrypi.com>, Stefan Wahren <wahrenst@....net>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Kieran Bingham <kieran.bingham@...asonboard.com>, 
 Sumit Semwal <sumit.semwal@...aro.org>, 
 Christian König <christian.koenig@....com>, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Jai Luthra <jai.luthra@...asonboard.com>
Subject: [PATCH 13/13] platform/raspberrypi: vchiq: Register vc-sm-cma as a
 platform driver

From: Dave Stevenson <dave.stevenson@...pberrypi.com>

Register the vc-sm-cma driver as a platform driver under vchiq.

Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
Signed-off-by: Jai Luthra <jai.luthra@...asonboard.com>
---
 drivers/platform/raspberrypi/vchiq-interface/vchiq_arm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/raspberrypi/vchiq-interface/vchiq_arm.c b/drivers/platform/raspberrypi/vchiq-interface/vchiq_arm.c
index 6a7b96d3dae6275a483ef15dc619c5510454765e..09d33bec46ec45175378fff8dd1084d0a8a12dd6 100644
--- a/drivers/platform/raspberrypi/vchiq-interface/vchiq_arm.c
+++ b/drivers/platform/raspberrypi/vchiq-interface/vchiq_arm.c
@@ -63,6 +63,7 @@
  * the interface.
  */
 static struct vchiq_device *bcm2835_audio;
+static struct vchiq_device *vcsm_cma;
 
 static const struct vchiq_platform_info bcm2835_info = {
 	.cache_line_size = 32,
@@ -1421,6 +1422,7 @@ static int vchiq_probe(struct platform_device *pdev)
 
 	vchiq_debugfs_init(&mgmt->state);
 
+	vcsm_cma = vchiq_device_register(&pdev->dev, "vcsm-cma");
 	bcm2835_audio = vchiq_device_register(&pdev->dev, "bcm2835-audio");
 
 	return 0;
@@ -1431,6 +1433,7 @@ static void vchiq_remove(struct platform_device *pdev)
 	struct vchiq_drv_mgmt *mgmt = dev_get_drvdata(&pdev->dev);
 
 	vchiq_device_unregister(bcm2835_audio);
+	vchiq_device_unregister(vcsm_cma);
 	vchiq_debugfs_deinit();
 	vchiq_deregister_chrdev();
 	vchiq_platform_uninit(mgmt);

-- 
2.51.0