From: Loic Pallardy <loic.pallardy@st.com>
To: <tglx@linutronix.de>, <jason@lakedaemon.net>,
<marc.zyngier@arm.com>, <mcoquelin.stm32@gmail.com>,
<alexandre.torgue@st.com>
Cc: Loic Pallardy <loic.pallardy@st.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: [PATCH 1/1] irqchip: stm32-exti: add domain translate function
Date: Fri, 11 Jan 2019 14:58:52 +0100 [thread overview]
Message-ID: <1547215132-85612-1-git-send-email-loic.pallardy@st.com> (raw)
Domain translate function is needed to recover irq
configuration parameters from DT node
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
---
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)) {
+ 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;
+}
+
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
--
2.7.4
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next reply other threads:[~2019-01-11 13:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-11 13:58 Loic Pallardy [this message]
2019-01-11 15:52 ` [PATCH 1/1] irqchip: stm32-exti: add domain translate function Marc Zyngier
2019-01-11 17:34 ` Loic PALLARDY
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