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path: root/drivers/input/keyboard/qt2160.c
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Diffstat (limited to 'drivers/input/keyboard/qt2160.c')
-rw-r--r--drivers/input/keyboard/qt2160.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c
index 43b86482dda0..23dc7c0c7d78 100644
--- a/drivers/input/keyboard/qt2160.c
+++ b/drivers/input/keyboard/qt2160.c
@@ -69,7 +69,6 @@ struct qt2160_data {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work dwork;
- spinlock_t lock; /* Protects canceling/rescheduling of dwork */
unsigned short keycodes[ARRAY_SIZE(qt2160_key2code)];
u16 key_matrix;
#ifdef CONFIG_LEDS_CLASS
@@ -221,22 +220,15 @@ static int qt2160_get_key_matrix(struct qt2160_data *qt2160)
static irqreturn_t qt2160_irq(int irq, void *_qt2160)
{
struct qt2160_data *qt2160 = _qt2160;
- unsigned long flags;
-
- spin_lock_irqsave(&qt2160->lock, flags);
mod_delayed_work(system_wq, &qt2160->dwork, 0);
- spin_unlock_irqrestore(&qt2160->lock, flags);
-
return IRQ_HANDLED;
}
static void qt2160_schedule_read(struct qt2160_data *qt2160)
{
- spin_lock_irq(&qt2160->lock);
schedule_delayed_work(&qt2160->dwork, QT2160_CYCLE_INTERVAL);
- spin_unlock_irq(&qt2160->lock);
}
static void qt2160_worker(struct work_struct *work)
@@ -406,7 +398,6 @@ static int qt2160_probe(struct i2c_client *client,
qt2160->client = client;
qt2160->input = input;
INIT_DELAYED_WORK(&qt2160->dwork, qt2160_worker);
- spin_lock_init(&qt2160->lock);
input->name = "AT42QT2160 Touch Sense Keyboard";
input->id.bustype = BUS_I2C;