As struct ideapad_private has all the information needed for any operations,
convert ideapad_register_rfkill()/ideapad_unregister_rfkill() and
ideapad_sync_touchpad_state() to use struct ideapad_private as the parameter,
to be consistent with the others.

Signed-off-by: Zhang Rui <[email protected]>
CC: Matthew Garrett <[email protected]>
CC: Ike Panhc <[email protected]>
CC: [email protected]
---
 drivers/platform/x86/ideapad-laptop.c |   38 ++++++++++++++++++---------------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/drivers/platform/x86/ideapad-laptop.c 
b/drivers/platform/x86/ideapad-laptop.c
index edd3656..70fb5ba 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -469,9 +469,8 @@ static void ideapad_sync_rfk_state(struct ideapad_private 
*priv)
                        rfkill_set_hw_state(priv->rfk[i], hw_blocked);
 }
 
-static int ideapad_register_rfkill(struct acpi_device *adev, int dev)
+static int ideapad_register_rfkill(struct ideapad_private *priv, int dev)
 {
-       struct ideapad_private *priv = dev_get_drvdata(&adev->dev);
        int ret;
        unsigned long sw_blocked;
 
@@ -483,8 +482,10 @@ static int ideapad_register_rfkill(struct acpi_device 
*adev, int dev)
                return 0;
        }
 
-       priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adev->dev,
-                                     ideapad_rfk_data[dev].type, 
&ideapad_rfk_ops,
+       priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name,
+                                     &priv->adev->dev,
+                                     ideapad_rfk_data[dev].type,
+                                     &ideapad_rfk_ops,
                                      (void *)(long)dev);
        if (!priv->rfk[dev])
                return -ENOMEM;
@@ -505,10 +506,8 @@ static int ideapad_register_rfkill(struct acpi_device 
*adev, int dev)
        return 0;
 }
 
-static void ideapad_unregister_rfkill(struct acpi_device *adev, int dev)
+static void ideapad_unregister_rfkill(struct ideapad_private *priv, int dev)
 {
-       struct ideapad_private *priv = dev_get_drvdata(&adev->dev);
-
        if (!priv->rfk[dev])
                return;
 
@@ -762,13 +761,12 @@ static const struct acpi_device_id ideapad_device_ids[] = 
{
 };
 MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
 
-static void ideapad_sync_touchpad_state(struct acpi_device *adev)
+static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
 {
-       struct ideapad_private *priv = dev_get_drvdata(&adev->dev);
        unsigned long value;
 
        /* Without reading from EC touchpad LED doesn't switch state */
-       if (!read_ec_data(adev->handle, VPCCMD_R_TOUCHPAD, &value)) {
+       if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) {
                /* Some IdeaPads don't really turn off touchpad - they only
                 * switch the LED state. We (de)activate KBC AUX port to turn
                 * touchpad off and on. We send KEY_TOUCHPAD_OFF and
@@ -812,12 +810,12 @@ static int ideapad_acpi_add(struct acpi_device *adev)
 
        for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) {
                if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg))
-                       ideapad_register_rfkill(adev, i);
+                       ideapad_register_rfkill(priv, i);
                else
                        priv->rfk[i] = NULL;
        }
        ideapad_sync_rfk_state(priv);
-       ideapad_sync_touchpad_state(adev);
+       ideapad_sync_touchpad_state(priv);
 
        if (!acpi_video_backlight_support()) {
                ret = ideapad_backlight_init(priv);
@@ -829,7 +827,7 @@ static int ideapad_acpi_add(struct acpi_device *adev)
 
 backlight_failed:
        for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
-               ideapad_unregister_rfkill(adev, i);
+               ideapad_unregister_rfkill(priv, i);
        ideapad_input_exit(priv);
 input_failed:
        ideapad_debugfs_exit(priv);
@@ -847,7 +845,7 @@ static int ideapad_acpi_remove(struct acpi_device *adev)
 
        ideapad_backlight_exit(priv);
        for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
-               ideapad_unregister_rfkill(adev, i);
+               ideapad_unregister_rfkill(priv, i);
        ideapad_input_exit(priv);
        ideapad_debugfs_exit(priv);
        ideapad_platform_exit(priv);
@@ -882,7 +880,7 @@ static void ideapad_acpi_notify(struct acpi_device *adev, 
u32 event)
                                ideapad_input_report(priv, vpc_bit);
                                break;
                        case 5:
-                               ideapad_sync_touchpad_state(adev);
+                               ideapad_sync_touchpad_state(priv);
                                break;
                        case 4:
                                ideapad_backlight_notify_brightness(priv);
@@ -906,8 +904,14 @@ static void ideapad_acpi_notify(struct acpi_device *adev, 
u32 event)
 #ifdef CONFIG_PM_SLEEP
 static int ideapad_acpi_resume(struct device *device)
 {
-       ideapad_sync_rfk_state(ideapad_priv);
-       ideapad_sync_touchpad_state(to_acpi_device(device));
+       struct ideapad_private *priv;
+
+       if (!device)
+               return -EINVAL;
+       priv = dev_get_drvdata(device);
+
+       ideapad_sync_rfk_state(priv);
+       ideapad_sync_touchpad_state(priv);
        return 0;
 }
 
-- 
1.7.9.5

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