linux-kernel - Re: [PATCH v3 05/11] staging: typec: fusb302: Use client->irq as irq if set

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Date:   Wed, 30 Aug 2017 06:56:34 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Hans de Goede <hdegoede@...hat.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Sebastian Reichel <sre@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org, Liam Breck <liam@...workimprov.net>,
        Tony Lindgren <tony@...mide.com>, linux-pm@...r.kernel.org,
        devel@...verdev.osuosl.org,
        "Yueyao (Nathan) Zhu" <yueyao@...gle.com>
Subject: Re: [PATCH v3 05/11] staging: typec: fusb302: Use client->irq as irq
 if set

On 08/30/2017 02:48 AM, Hans de Goede wrote:
> The fusb302 is also used on x86 systems where the platform code sets
> the irq in client->irq and there is no gpio named fcs,int_n.
> 
> Cc: "Yueyao (Nathan) Zhu" <yueyao@...gle.com>
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>

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

> ---
>   drivers/staging/typec/fusb302/fusb302.c | 10 +++++++---
>   1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c
> index 1c1751c994db..675161cf4f3a 100644
> --- a/drivers/staging/typec/fusb302/fusb302.c
> +++ b/drivers/staging/typec/fusb302/fusb302.c
> @@ -1735,9 +1735,13 @@ static int fusb302_probe(struct i2c_client *client,
>   		goto destroy_workqueue;
>   	}
>   
> -	ret = init_gpio(chip);
> -	if (ret < 0)
> -		goto destroy_workqueue;
> +	if (client->irq) {
> +		chip->gpio_int_n_irq = client->irq;
> +	} else {
> +		ret = init_gpio(chip);
> +		if (ret < 0)
> +			goto destroy_workqueue;
> +	}
>   
>   	chip->tcpm_port = tcpm_register_port(&client->dev, &chip->tcpc_dev);
>   	if (IS_ERR(chip->tcpm_port)) {
>