Move the reference to the device over to the irq domain.
This allows the irq_chip structure to be directly used instead
of taking a copy for each instance.
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
drivers/irqchip/irq-imx-intmux.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-imx-intmux.c b/drivers/irqchip/irq-imx-intmux.c
index e86ff743e98c..80aaea82468a 100644
--- a/drivers/irqchip/irq-imx-intmux.c
+++ b/drivers/irqchip/irq-imx-intmux.c
@@ -61,7 +61,6 @@
#define CHAN_MAX_NUM 0x8
struct intmux_irqchip_data {
- struct irq_chip chip;
u32 saved_reg;
int chanidx;
int irq;
@@ -114,7 +113,7 @@ static void imx_intmux_irq_unmask(struct irq_data *d)
raw_spin_unlock_irqrestore(&data->lock, flags);
}
-static struct irq_chip imx_intmux_irq_chip = {
+static struct irq_chip imx_intmux_irq_chip __ro_after_init = {
.name = "intmux",
.irq_mask = imx_intmux_irq_mask,
.irq_unmask = imx_intmux_irq_unmask,
@@ -126,7 +125,7 @@ static int imx_intmux_irq_map(struct irq_domain *h, unsigned int irq,
struct intmux_irqchip_data *data = h->host_data;
irq_set_chip_data(irq, data);
- irq_set_chip_and_handler(irq, &data->chip, handle_level_irq);
+ irq_set_chip_and_handler(irq, &imx_intmux_irq_chip, handle_level_irq);
return 0;
}
@@ -241,8 +240,6 @@ static int imx_intmux_probe(struct platform_device *pdev)
}
for (i = 0; i < channum; i++) {
- data->irqchip_data[i].chip = imx_intmux_irq_chip;
- data->irqchip_data[i].chip.parent_device = &pdev->dev;
data->irqchip_data[i].chanidx = i;
data->irqchip_data[i].irq = irq_of_parse_and_map(np, i);
@@ -260,6 +257,7 @@ static int imx_intmux_probe(struct platform_device *pdev)
goto out;
}
data->irqchip_data[i].domain = domain;
+ irq_domain_set_pm_device(domain, &pdev->dev);
/* disable all interrupt sources of this channel firstly */
writel_relaxed(0, data->regs + CHANIER(i));
--
2.30.2
