linux-kernel - [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration

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Date:   Thu, 21 Nov 2019 14:36:17 +0530
From:   Akshu Agrawal <akshu.agrawal@....com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     akshu.agrawal@....com, rrangel@...omium.org,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Neil Armstrong <narmstrong@...libre.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        linux-i2c@...r.kernel.org (open list:I2C SUBSYSTEM HOST DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration

During adding of the adapter the slave device registration
use to fail as the acpi companion field was not populated.

Signed-off-by: Akshu Agrawal <akshu.agrawal@....com>
---
 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 c551aa96a2e3..aca8070393bd 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
 	bus->adap.dev.parent = &pdev->dev;
 	bus->adap.dev.of_node = np;
 	bus->adap.retries = I2C_MAX_RETRIES;
+	ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));
 
 	err = i2c_add_adapter(&bus->adap);
 	if (err)
-- 
2.17.1