diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-04-29 08:55:25 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-05-07 09:08:14 +0200 |
| commit | b3801ddc6883169a2e020dbf06da3723446808ee (patch) | |
| tree | db7638217b193066eeb54dfb5b97491bac70e604 /kernel | |
| parent | c836e5a70c59a361559d57ad02ececa40d160cb9 (diff) | |
genirq/chip: Rework irq_set_chip_data()
Use the new guards to get and lock the interrupt descriptor and tidy up the
code.
Fixup the kernel doc comment while at it.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20250429065421.532308759@linutronix.de
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/chip.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 13d8c89cf564..2041225332fd 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -115,22 +115,19 @@ int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry) } /** - * irq_set_chip_data - set irq chip data for an irq - * @irq: Interrupt number - * @data: Pointer to chip specific data + * irq_set_chip_data - set irq chip data for an irq + * @irq: Interrupt number + * @data: Pointer to chip specific data * - * Set the hardware irq chip data for an irq + * Set the hardware irq chip data for an irq */ int irq_set_chip_data(unsigned int irq, void *data) { - unsigned long flags; - struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); - - if (!desc) - return -EINVAL; - desc->irq_data.chip_data = data; - irq_put_desc_unlock(desc, flags); - return 0; + scoped_irqdesc_get_and_lock(irq, 0) { + scoped_irqdesc->irq_data.chip_data = data; + return 0; + } + return -EINVAL; } EXPORT_SYMBOL(irq_set_chip_data); |