From: Sebastian Andrzej Siewior Date: Wed, 11 May 2022 11:06:09 +0000 (+0200) Subject: iio: adc: stm32-adc: Use generic_handle_domain_irq() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=88cb99daa2b57360d295f2e8642edb740a9bca71;p=linux.git iio: adc: stm32-adc: Use generic_handle_domain_irq() The call chain generic_handle_irq(irq_find_mapping(domain, x)); could be replaced with generic_handle_domain_irq(domain, x); which looks up the struct irq_desc for the interrupt and handles it with handle_irq_desc(). This is a slight optimisation given that the driver invokes only one function and the struct irq_desc is used directly instead being looked up via irq_to_desc(). Use generic_handle_domain_irq(). Signed-off-by: Sebastian Andrzej Siewior Link: https://lore.kernel.org/r/YnuYoQIzJoFIyEJY@linutronix.de Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 1426562321575..c8fc97e52fef4 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -356,7 +356,7 @@ static void stm32_adc_irq_handler(struct irq_desc *desc) if ((status & priv->cfg->regs->eoc_msk[i] && stm32_adc_eoc_enabled(priv, i)) || (status & priv->cfg->regs->ovr_msk[i])) - generic_handle_irq(irq_find_mapping(priv->domain, i)); + generic_handle_domain_irq(priv->domain, i); } chained_irq_exit(chip, desc);