Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: sx8654 - use guard notation when acquiring spinlock
Guard notation simplifies code.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
+4
-7
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-7
drivers/input/touchscreen/sx8654.c
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-7
drivers/input/touchscreen/sx8654.c
···
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static void sx865x_penrelease_timer_handler(struct timer_list *t)
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{
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struct sx8654 *ts = timer_container_of(ts, t, timer);
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unsigned long flags;
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spin_lock_irqsave(&ts->lock, flags);
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sx865x_penrelease(ts);
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spin_unlock_irqrestore(&ts->lock, flags);
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dev_dbg(&ts->client->dev, "penrelease by timer\n");
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guard(spinlock_irqsave)(&ts->lock);
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sx865x_penrelease(ts);
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}
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static irqreturn_t sx8650_irq(int irq, void *handle)
···
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struct sx8654 *ts = handle;
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struct device *dev = &ts->client->dev;
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int len, i;
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unsigned long flags;
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u8 stat;
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u16 x, y;
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u16 ch;
···
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return IRQ_HANDLED;
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}
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-
spin_lock_irqsave(&ts->lock, flags);
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guard(spinlock_irqsave)(&ts->lock);
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x = 0;
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y = 0;
···
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dev_dbg(dev, "point(%4d,%4d)\n", x, y);
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mod_timer(&ts->timer, jiffies + SX8650_PENIRQ_TIMEOUT);
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spin_unlock_irqrestore(&ts->lock, flags);
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return IRQ_HANDLED;
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}