linux-kernel - Re: [PATCH 34/34] usb: typec: tcpm: fusb302: simplify getting the adapter of a client

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Date:   Sat, 8 Jun 2019 05:59:17 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-i2c@...r.kernel.org
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 34/34] usb: typec: tcpm: fusb302: simplify getting the
 adapter of a client

On 6/8/19 3:56 AM, Wolfram Sang wrote:
> We have a dedicated pointer for that, so use it. Much easier to read and
> less computation involved.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
> 
> Please apply to your subsystem tree.
> 
>   drivers/usb/typec/tcpm/fusb302.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
> index 7302f7501ec9..c524088246ee 100644
> --- a/drivers/usb/typec/tcpm/fusb302.c
> +++ b/drivers/usb/typec/tcpm/fusb302.c
> @@ -1697,13 +1697,12 @@ static int fusb302_probe(struct i2c_client *client,
>   			 const struct i2c_device_id *id)
>   {
>   	struct fusb302_chip *chip;
> -	struct i2c_adapter *adapter;
> +	struct i2c_adapter *adapter = client->adapter;
>   	struct device *dev = &client->dev;
>   	const char *name;
>   	int ret = 0;
>   	u32 v;
>   
> -	adapter = to_i2c_adapter(client->dev.parent);
>   	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) {
>   		dev_err(&client->dev,
>   			"I2C/SMBus block functionality not supported!\n");
>