summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/driver-api/gpio/driver.rst12
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/driver-api/gpio/driver.rst b/Documentation/driver-api/gpio/driver.rst
index 9809f593c0ab..072a7455044e 100644
--- a/Documentation/driver-api/gpio/driver.rst
+++ b/Documentation/driver-api/gpio/driver.rst
@@ -342,12 +342,12 @@ Cascaded GPIO irqchips usually fall in one of three categories:
forced to a thread. The "fake?" raw lock can be used to work around this
problem::
- raw_spinlock_t wa_lock;
- static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
- unsigned long wa_lock_flags;
- raw_spin_lock_irqsave(&bank->wa_lock, wa_lock_flags);
- generic_handle_irq(irq_find_mapping(bank->chip.irq.domain, bit));
- raw_spin_unlock_irqrestore(&bank->wa_lock, wa_lock_flags);
+ raw_spinlock_t wa_lock;
+ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
+ unsigned long wa_lock_flags;
+ raw_spin_lock_irqsave(&bank->wa_lock, wa_lock_flags);
+ generic_handle_irq(irq_find_mapping(bank->chip.irq.domain, bit));
+ raw_spin_unlock_irqrestore(&bank->wa_lock, wa_lock_flags);
- GENERIC CHAINED GPIO IRQCHIPS: these are the same as "CHAINED GPIO irqchips",
but chained IRQ handlers are not used. Instead GPIO IRQs dispatching is