netdev - [PATCH 09/18] media: microchip-isc: Register and unregister statistics device

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Message-ID: <20251009155251.102472-10-balamanikandan.gunasundar@microchip.com>
Date: Thu, 9 Oct 2025 21:22:42 +0530
From: Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
CC: Eugen Hristev <eugen.hristev@...aro.org>, Chas Williams
	<3chas3@...il.com>, Nicolas Ferre <nicolas.ferre@...rochip.com>, "Alexandre
 Belloni" <alexandre.belloni@...tlin.com>, Claudiu Beznea
	<claudiu.beznea@...on.dev>, Balakrishnan Sambath
	<balakrishnan.s@...rochip.com>, Hans Verkuil <hverkuil@...nel.org>, "Ricardo
 Ribalda" <ribalda@...omium.org>, Laurent Pinchart
	<laurent.pinchart+renesas@...asonboard.com>, Jacopo Mondi
	<jacopo.mondi@...asonboard.com>, Daniel Scally
	<dan.scally+renesas@...asonboard.com>, Tomi Valkeinen
	<tomi.valkeinen@...asonboard.com>, <linux-kernel@...r.kernel.org>,
	<linux-media@...r.kernel.org>, <linux-atm-general@...ts.sourceforge.net>,
	<netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
Subject: [PATCH 09/18] media: microchip-isc: Register and unregister statistics device

From: Balakrishnan Sambath <balakrishnan.s@...rochip.com>

Register the statistics sub-device during async complete and ensure
proper cleanup for the same in isc_mc_cleanup().

Signed-off-by: Balakrishnan Sambath <balakrishnan.s@...rochip.com>
Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
---
 drivers/media/platform/microchip/microchip-isc-base.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/media/platform/microchip/microchip-isc-base.c b/drivers/media/platform/microchip/microchip-isc-base.c
index cd379f95fc1c..5b49b6ff5ae9 100644
--- a/drivers/media/platform/microchip/microchip-isc-base.c
+++ b/drivers/media/platform/microchip/microchip-isc-base.c
@@ -1912,6 +1912,13 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
 		goto isc_async_complete_err;
 	}
 
+	/* Register statistics device */
+	ret = isc_stats_register(isc);
+	if (ret) {
+		dev_err(isc->dev, "Failed to register stats device: %d\n", ret);
+		goto isc_async_complete_unregister_device;
+	}
+
 	ret = isc_scaler_link(isc);
 	if (ret < 0)
 		goto isc_async_complete_unregister_device;
@@ -2036,6 +2043,7 @@ void isc_mc_cleanup(struct isc_device *isc)
 {
 	media_entity_cleanup(&isc->video_dev.entity);
 	media_device_cleanup(&isc->mdev);
+	isc_stats_unregister(isc);
 }
 EXPORT_SYMBOL_GPL(isc_mc_cleanup);
 
-- 
2.34.1