Messages in this thread | | | Subject | Re: [PATCH 1/1] irqchip: stm32-exti: add domain translate function | From | Marc Zyngier <> | Date | Fri, 11 Jan 2019 15:52:15 +0000 |
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On 11/01/2019 13:58, Loic Pallardy wrote: > Domain translate function is needed to recover irq > configuration parameters from DT node > > Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Surely this fixes something, right? Can you please add a Fixes: tag?
> --- > drivers/irqchip/irq-stm32-exti.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c > index 6edfd4bfa169..717879028cc4 100644 > --- a/drivers/irqchip/irq-stm32-exti.c > +++ b/drivers/irqchip/irq-stm32-exti.c > @@ -819,9 +819,27 @@ static int __init stm32_exti_init(const struct stm32_exti_drv_data *drv_data, > return ret; > } > > +static int stm32_exti_h_translate(struct irq_domain *d, > + struct irq_fwspec *fwspec, > + unsigned long *out_hwirq, > + unsigned int *out_type) > +{ > + if (is_of_node(fwspec->fwnode)) {
Is there any case where this wouldn't be true? i.e. an stm32 ACPI system?
> + if (fwspec->param_count != 2) > + return -EINVAL; > + > + *out_hwirq = fwspec->param[0]; > + *out_type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK; > + return 0; > + } > + > + return -EINVAL; > +}
Because otherwise, this is exactly what irq_domain_xlate_twocell() does.
> + > static const struct irq_domain_ops stm32_exti_h_domain_ops = { > .alloc = stm32_exti_h_domain_alloc, > .free = irq_domain_free_irqs_common, > + .translate = stm32_exti_h_translate, > }; > > static int >
Thanks,
M. -- Jazz is not dead. It just smells funny...
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