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References: <20191121090620.75569-1-akshu.agrawal@amd.com>
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From:   Raul Rangel <rrangel@chromium.org>
Date:   Mon, 25 Nov 2019 11:09:11 -0700
Message-ID: <CAHQZ30DB4E3SY8QQdL=jTp+Zx2OvjW6ih6kCSBiaRpiy5Wcj6g@mail.gmail.com>
Subject: Re: [PATCH] i2c: i2c-cros-ec-tunnel: Fix slave device enumeration
To:     Akshu Agrawal <akshu.agrawal@amd.com>
Cc:     Benson Leung <bleung@chromium.org>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        Guenter Roeck <groeck@chromium.org>,
        Wolfram Sang <wsa@the-dreams.de>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        "open list:I2C SUBSYSTEM HOST DRIVERS" <linux-i2c@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>
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On Thu, Nov 21, 2019 at 2:06 AM Akshu Agrawal <akshu.agrawal@amd.com> wrote:
>
> 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@amd.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
>

Acked-by: Raul E Rangel <rrangel@chromium.org>