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path: root/drivers/input/serio/q40kbd.c
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Diffstat (limited to 'drivers/input/serio/q40kbd.c')
-rw-r--r--drivers/input/serio/q40kbd.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/input/serio/q40kbd.c b/drivers/input/serio/q40kbd.c
index ba04058fc3cb..ae55c4de092f 100644
--- a/drivers/input/serio/q40kbd.c
+++ b/drivers/input/serio/q40kbd.c
@@ -39,17 +39,14 @@ struct q40kbd {
static irqreturn_t q40kbd_interrupt(int irq, void *dev_id)
{
struct q40kbd *q40kbd = dev_id;
- unsigned long flags;
- spin_lock_irqsave(&q40kbd->lock, flags);
+ guard(spinlock_irqsave)(&q40kbd->lock);
if (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG))
serio_interrupt(q40kbd->port, master_inb(KEYCODE_REG), 0);
master_outb(-1, KEYBOARD_UNLOCK_REG);
- spin_unlock_irqrestore(&q40kbd->lock, flags);
-
return IRQ_HANDLED;
}
@@ -60,14 +57,11 @@ static irqreturn_t q40kbd_interrupt(int irq, void *dev_id)
static void q40kbd_flush(struct q40kbd *q40kbd)
{
int maxread = 100;
- unsigned long flags;
- spin_lock_irqsave(&q40kbd->lock, flags);
+ guard(spinlock_irqsave)(&q40kbd->lock);
while (maxread-- && (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))
master_inb(KEYCODE_REG);
-
- spin_unlock_irqrestore(&q40kbd->lock, flags);
}
static void q40kbd_stop(void)
@@ -108,8 +102,8 @@ static int q40kbd_probe(struct platform_device *pdev)
struct serio *port;
int error;
- q40kbd = kzalloc(sizeof(struct q40kbd), GFP_KERNEL);
- port = kzalloc(sizeof(struct serio), GFP_KERNEL);
+ q40kbd = kzalloc(sizeof(*q40kbd), GFP_KERNEL);
+ port = kzalloc(sizeof(*port), GFP_KERNEL);
if (!q40kbd || !port) {
error = -ENOMEM;
goto err_free_mem;
@@ -148,7 +142,7 @@ err_free_mem:
return error;
}
-static int q40kbd_remove(struct platform_device *pdev)
+static void q40kbd_remove(struct platform_device *pdev)
{
struct q40kbd *q40kbd = platform_get_drvdata(pdev);
@@ -160,8 +154,6 @@ static int q40kbd_remove(struct platform_device *pdev)
serio_unregister_port(q40kbd->port);
free_irq(Q40_IRQ_KEYBOARD, q40kbd);
kfree(q40kbd);
-
- return 0;
}
static struct platform_driver q40kbd_driver = {