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From: "Thomas Richard (congatec GmbH)" <thomas.richard@bootlin.com>
To: Lee Jones <lee@kernel.org>, Andi Shyti <andi.shyti@kernel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	 Werner Gartner <Werner.Gartner@congatec.com>,
	mfd@lists.linux.dev,  linux-kernel@vger.kernel.org,
	linux-i2c@vger.kernel.org,
	 "Thomas Richard (congatec GmbH)" <thomas.richard@bootlin.com>
Subject: [PATCH v4 9/9] i2c: cgbc: Register known I2C devices on the bus
Date: Fri, 02 Oct 2026 13:12:47 +0200	[thread overview]
Message-ID: <20261002-cgbc-i2c-storage-devices-support-v4-9-eb42e0f1df59@bootlin.com> (raw)
In-Reply-To: <20261002-cgbc-i2c-storage-devices-support-v4-0-eb42e0f1df59@bootlin.com>

Register any I2C devices defined for the bus at probe time.

Signed-off-by: Thomas Richard (congatec GmbH) <thomas.richard@bootlin.com>
---
 drivers/i2c/busses/i2c-cgbc.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-cgbc.c b/drivers/i2c/busses/i2c-cgbc.c
index f7ddeca1d701..682ba639d887 100644
--- a/drivers/i2c/busses/i2c-cgbc.c
+++ b/drivers/i2c/busses/i2c-cgbc.c
@@ -341,7 +341,7 @@ static int cgbc_i2c_probe(struct platform_device *pdev)
 	struct cgbc_device_data *cgbc = dev_get_drvdata(dev->parent);
 	struct cgbc_i2c_platform_data *pdata;
 	struct cgbc_i2c_data *i2c;
-	int ret;
+	int ret, i;
 
 	i2c = devm_kzalloc(dev, sizeof(*i2c), GFP_KERNEL);
 	if (!i2c)
@@ -370,7 +370,15 @@ static int cgbc_i2c_probe(struct platform_device *pdev)
 	if (ret)
 		return dev_err_probe(i2c->dev, ret, "Failed to get I2C bus frequency");
 
-	return i2c_add_numbered_adapter(&i2c->adap);
+	ret = i2c_add_numbered_adapter(&i2c->adap);
+	if (ret)
+		return ret;
+
+	/* Add known devices to the bus */
+	for (i = 0; i < pdata->nb_devices; i++)
+		i2c_new_client_device(&i2c->adap, pdata->devices + i);
+
+	return 0;
 }
 
 static void cgbc_i2c_remove(struct platform_device *pdev)

-- 
2.53.0


      parent reply	other threads:[~2026-10-02 11:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02 11:12 [PATCH v4 0/9] Congatec Board Controller: Add storage devices support Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 1/9] mfd: cgbc: Fix use of negative error code as valid session handle Thomas Richard (congatec GmbH)
2026-10-15 15:19   ` Lee Jones
2026-10-15 17:53     ` Thomas Richard
2026-10-02 11:12 ` [PATCH v4 2/9] mfd: cgbc: Add I2C platform data Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 3/9] i2c: cgbc: Use plateform data to get bus ID and adapter name Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 4/9] mfd: cgbc: Use PLATFORM_DEVID_AUTO for child device registration Thomas Richard (congatec GmbH)
2026-10-15 15:27   ` Lee Jones
2026-10-15 17:48     ` Thomas Richard
2026-10-16  6:47       ` Lee Jones
2026-10-02 11:12 ` [PATCH v4 5/9] mfd: cgbc: Use real I2C bus names Thomas Richard (congatec GmbH)
2026-10-15 15:27   ` Lee Jones
2026-10-15 17:23     ` Thomas Richard
2026-10-02 11:12 ` [PATCH v4 6/9] i2c: cgbc: Add support for fixed frequency buses Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 7/9] mfd: cgbc: Add virtual I2C bus support Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 8/9] mfd: cgbc: Add virtual storage devices on the virtual I2C bus Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` Thomas Richard (congatec GmbH) [this message]

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