staging/olpc_dcon: use s/r hooks from device_driver->pm
authorAndres Salomon <dilinger@queued.net>
Mon, 1 Oct 2012 21:46:21 +0000 (14:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 22 Oct 2012 18:39:22 +0000 (11:39 -0700)
..instead of the i2c_driver hooks.  This should silence the following
runtime warnings:

[   17.820321] i2c-core: driver [olpc_dcon] using legacy suspend method
[   17.846082] i2c-core: driver [olpc_dcon] using legacy resume method

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/olpc_dcon/olpc_dcon.c

index 2b0bbaccbd3a92e27179fdbb67e22e54097b987a..3fe209ca38cb3ffff839d2c7ea2e8139baa439ac 100644 (file)
@@ -685,8 +685,9 @@ static int dcon_remove(struct i2c_client *client)
 }
 
 #ifdef CONFIG_PM
-static int dcon_suspend(struct i2c_client *client, pm_message_t state)
+static int dcon_suspend(struct device *dev)
 {
+       struct i2c_client *client = to_i2c_client(dev);
        struct dcon_priv *dcon = i2c_get_clientdata(client);
 
        if (!dcon->asleep) {
@@ -697,8 +698,9 @@ static int dcon_suspend(struct i2c_client *client, pm_message_t state)
        return 0;
 }
 
-static int dcon_resume(struct i2c_client *client)
+static int dcon_resume(struct device *dev)
 {
+       struct i2c_client *client = to_i2c_client(dev);
        struct dcon_priv *dcon = i2c_get_clientdata(client);
 
        if (!dcon->asleep) {
@@ -709,7 +711,12 @@ static int dcon_resume(struct i2c_client *client)
        return 0;
 }
 
-#endif
+#else
+
+#define dcon_suspend NULL
+#define dcon_resume NULL
+
+#endif /* CONFIG_PM */
 
 
 irqreturn_t dcon_interrupt(int irq, void *id)
@@ -753,16 +760,21 @@ irqreturn_t dcon_interrupt(int irq, void *id)
        return IRQ_HANDLED;
 }
 
+static const struct dev_pm_ops dcon_pm_ops = {
+       .suspend = dcon_suspend,
+       .resume = dcon_resume,
+};
+
 static const struct i2c_device_id dcon_idtable[] = {
        { "olpc_dcon",  0 },
        { }
 };
-
 MODULE_DEVICE_TABLE(i2c, dcon_idtable);
 
 struct i2c_driver dcon_driver = {
        .driver = {
                .name   = "olpc_dcon",
+               .pm = &dcon_pm_ops,
        },
        .class = I2C_CLASS_DDC | I2C_CLASS_HWMON,
        .id_table = dcon_idtable,
@@ -770,10 +782,6 @@ struct i2c_driver dcon_driver = {
        .remove = __devexit_p(dcon_remove),
        .detect = dcon_detect,
        .address_list = normal_i2c,
-#ifdef CONFIG_PM
-       .suspend = dcon_suspend,
-       .resume = dcon_resume,
-#endif
 };
 
 static int __init olpc_dcon_init(void)