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authorPaul Cercueil <paul@crapouillou.net>2019-10-02 19:25:22 +0800
committerMarc Zyngier <maz@kernel.org>2019-11-10 18:55:30 +0000
commit52ecc87642f273a599c9913b29fd179c13de457b (patch)
tree998d4c9d964c478810404346c363bc322b54a246 /drivers/irqchip/irq-ingenic.c
parent20b44b4de61f2887694981e8cae74fe1bf58f950 (diff)
irqchip: ingenic: Error out if IRQ domain creation failed
If we cannot create the IRQ domain, the driver should fail to probe instead of succeeding with just a warning message. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1570015525-27018-3-git-send-email-zhouyanjie@zoho.com
Diffstat (limited to 'drivers/irqchip/irq-ingenic.c')
-rw-r--r--drivers/irqchip/irq-ingenic.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c
index 06fa810e89bb..d97a3a500249 100644
--- a/drivers/irqchip/irq-ingenic.c
+++ b/drivers/irqchip/irq-ingenic.c
@@ -87,6 +87,14 @@ static int __init ingenic_intc_of_init(struct device_node *node,
goto out_unmap_irq;
}
+ domain = irq_domain_add_legacy(node, num_chips * 32,
+ JZ4740_IRQ_BASE, 0,
+ &irq_domain_simple_ops, NULL);
+ if (!domain) {
+ err = -ENOMEM;
+ goto out_unmap_base;
+ }
+
for (i = 0; i < num_chips; i++) {
/* Mask all irqs */
writel(0xffffffff, intc->base + (i * CHIP_SIZE) +
@@ -112,14 +120,11 @@ static int __init ingenic_intc_of_init(struct device_node *node,
IRQ_NOPROBE | IRQ_LEVEL);
}
- domain = irq_domain_add_legacy(node, num_chips * 32, JZ4740_IRQ_BASE, 0,
- &irq_domain_simple_ops, NULL);
- if (!domain)
- pr_warn("unable to register IRQ domain\n");
-
setup_irq(parent_irq, &intc_cascade_action);
return 0;
+out_unmap_base:
+ iounmap(intc->base);
out_unmap_irq:
irq_dispose_mapping(parent_irq);
out_free: