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path: root/drivers/input/mouse/synaptics_i2c.c
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Diffstat (limited to 'drivers/input/mouse/synaptics_i2c.c')
-rw-r--r--drivers/input/mouse/synaptics_i2c.c45
1 files changed, 14 insertions, 31 deletions
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index 8538318d332c..a0d707e47d93 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -219,7 +219,6 @@ struct synaptics_i2c {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work dwork;
- spinlock_t lock;
int no_data_count;
int no_decel_param;
int reduce_report_param;
@@ -369,23 +368,11 @@ static bool synaptics_i2c_get_input(struct synaptics_i2c *touch)
return xy_delta || gesture;
}
-static void synaptics_i2c_reschedule_work(struct synaptics_i2c *touch,
- unsigned long delay)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&touch->lock, flags);
-
- mod_delayed_work(system_wq, &touch->dwork, delay);
-
- spin_unlock_irqrestore(&touch->lock, flags);
-}
-
static irqreturn_t synaptics_i2c_irq(int irq, void *dev_id)
{
struct synaptics_i2c *touch = dev_id;
- synaptics_i2c_reschedule_work(touch, 0);
+ mod_delayed_work(system_wq, &touch->dwork, 0);
return IRQ_HANDLED;
}
@@ -461,7 +448,7 @@ static void synaptics_i2c_work_handler(struct work_struct *work)
* We poll the device once in THREAD_IRQ_SLEEP_SECS and
* if error is detected, we try to reset and reconfigure the touchpad.
*/
- synaptics_i2c_reschedule_work(touch, delay);
+ mod_delayed_work(system_wq, &touch->dwork, delay);
}
static int synaptics_i2c_open(struct input_dev *input)
@@ -474,7 +461,7 @@ static int synaptics_i2c_open(struct input_dev *input)
return ret;
if (polling_req)
- synaptics_i2c_reschedule_work(touch,
+ mod_delayed_work(system_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;
@@ -521,7 +508,7 @@ static struct synaptics_i2c *synaptics_i2c_touch_create(struct i2c_client *clien
{
struct synaptics_i2c *touch;
- touch = kzalloc(sizeof(struct synaptics_i2c), GFP_KERNEL);
+ touch = kzalloc(sizeof(*touch), GFP_KERNEL);
if (!touch)
return NULL;
@@ -530,13 +517,11 @@ static struct synaptics_i2c *synaptics_i2c_touch_create(struct i2c_client *clien
touch->scan_rate_param = scan_rate;
set_scan_rate(touch, scan_rate);
INIT_DELAYED_WORK(&touch->dwork, synaptics_i2c_work_handler);
- spin_lock_init(&touch->lock);
return touch;
}
-static int synaptics_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *dev_id)
+static int synaptics_i2c_probe(struct i2c_client *client)
{
int ret;
struct synaptics_i2c *touch;
@@ -601,7 +586,7 @@ err_mem_free:
return ret;
}
-static int synaptics_i2c_remove(struct i2c_client *client)
+static void synaptics_i2c_remove(struct i2c_client *client)
{
struct synaptics_i2c *touch = i2c_get_clientdata(client);
@@ -610,11 +595,9 @@ static int synaptics_i2c_remove(struct i2c_client *client)
input_unregister_device(touch->input);
kfree(touch);
-
- return 0;
}
-static int __maybe_unused synaptics_i2c_suspend(struct device *dev)
+static int synaptics_i2c_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct synaptics_i2c *touch = i2c_get_clientdata(client);
@@ -627,7 +610,7 @@ static int __maybe_unused synaptics_i2c_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused synaptics_i2c_resume(struct device *dev)
+static int synaptics_i2c_resume(struct device *dev)
{
int ret;
struct i2c_client *client = to_i2c_client(dev);
@@ -637,18 +620,18 @@ static int __maybe_unused synaptics_i2c_resume(struct device *dev)
if (ret)
return ret;
- synaptics_i2c_reschedule_work(touch,
+ mod_delayed_work(system_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;
}
-static SIMPLE_DEV_PM_OPS(synaptics_i2c_pm, synaptics_i2c_suspend,
- synaptics_i2c_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(synaptics_i2c_pm, synaptics_i2c_suspend,
+ synaptics_i2c_resume);
static const struct i2c_device_id synaptics_i2c_id_table[] = {
- { "synaptics_i2c", 0 },
- { },
+ { "synaptics_i2c" },
+ { }
};
MODULE_DEVICE_TABLE(i2c, synaptics_i2c_id_table);
@@ -664,7 +647,7 @@ static struct i2c_driver synaptics_i2c_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = of_match_ptr(synaptics_i2c_of_match),
- .pm = &synaptics_i2c_pm,
+ .pm = pm_sleep_ptr(&synaptics_i2c_pm),
},
.probe = synaptics_i2c_probe,