Input: dm355evm_keys - remove dm355evm_keys_hardirq

The genirq already provides default hard IRQ handler for threaded
IRQs, no need to implement our own here.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c
index 0918acae584ac9844d2dd64c500f235b56f22b72..f2b67dc81d80b92ef186d698737190ff1b4f3fb1 100644 (file)
--- a/drivers/input/misc/dm355evm_keys.c
+++ b/drivers/input/misc/dm355evm_keys.c
@@ -96,7 +96,13 @@ static struct {
        { 0x3169, KEY_PAUSE, },
 };
 
-/* runs in an IRQ thread -- can (and will!) sleep */
+/*
+ * Because we communicate with the MSP430 using I2C, and all I2C calls
+ * in Linux sleep, we use a threaded IRQ handler.  The IRQ itself is
+ * active low, but we go through the GPIO controller so we can trigger
+ * on falling edges and not worry about enabling/disabling the IRQ in
+ * the keypress handling path.
+ */
 static irqreturn_t dm355evm_keys_irq(int irq, void *_keys)
 {
        struct dm355evm_keys    *keys = _keys;
@@ -171,18 +177,6 @@ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys)
        return IRQ_HANDLED;
 }
 
-/*
- * Because we communicate with the MSP430 using I2C, and all I2C calls
- * in Linux sleep, we use a threaded IRQ handler.  The IRQ itself is
- * active low, but we go through the GPIO controller so we can trigger
- * on falling edges and not worry about enabling/disabling the IRQ in
- * the keypress handling path.
- */
-static irqreturn_t dm355evm_keys_hardirq(int irq, void *_keys)
-{
-       return IRQ_WAKE_THREAD;
-}
-
 static int dm355evm_setkeycode(struct input_dev *dev, int index, int keycode)
 {
        u16             old_keycode;
@@ -257,10 +251,8 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev)
 
        /* REVISIT:  flush the event queue? */
 
-       status = request_threaded_irq(keys->irq,
-                       dm355evm_keys_hardirq, dm355evm_keys_irq,
-                       IRQF_TRIGGER_FALLING,
-                       dev_name(&pdev->dev), keys);
+       status = request_threaded_irq(keys->irq, NULL, dm355evm_keys_irq,
+                       IRQF_TRIGGER_FALLING, dev_name(&pdev->dev), keys);
        if (status < 0)
                goto fail1;