linux-kernel - [PATCH 1/4] i2c: i2c-cros-ec-tunnel: Pass ACPI node to i2c adapter

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Message-Id: <20191121140830.1.Iae79baaa31014e8b1d8177bcfbcd41514af724f9@changeid>
Date:   Thu, 21 Nov 2019 14:10:50 -0700
From:   Raul E Rangel <rrangel@...omium.org>
To:     enric.balletbo@...labora.com, Wolfram Sang <wsa@...-dreams.de>
Cc:     Akshu.Agrawal@....com, Raul E Rangel <rrangel@...omium.org>,
        Akshu Agrawal <akshu.agrawal@....com>,
        Guenter Roeck <groeck@...omium.org>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        linux-kernel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-i2c@...r.kernel.org, Benson Leung <bleung@...omium.org>
Subject: [PATCH 1/4] i2c: i2c-cros-ec-tunnel: Pass ACPI node to i2c adapter

The I2C bus needs to share the same ACPI node as the tunnel device so
that the I2C bus can be referenced from ACPI.

Signed-off-by: Raul E Rangel <rrangel@...omium.org>
---
I would have added a Fixes annotation, but I wasn't able to find the
hash for https://lore.kernel.org/patchwork/patch/1151436/.

 drivers/i2c/busses/i2c-cros-ec-tunnel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
index 958161c71985..ac2412755f0a 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -272,6 +272,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
 	bus->adap.algo_data = bus;
 	bus->adap.dev.parent = &pdev->dev;
 	bus->adap.dev.of_node = pdev->dev.of_node;
+	ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
 	bus->adap.retries = I2C_MAX_RETRIES;
 
 	err = i2c_add_adapter(&bus->adap);
-- 
2.24.0.432.g9d3f5f5b63-goog