staging: typec: fusb302: Use client->irq as irq if set

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@google.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files 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)) {