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path: root/drivers/irqchip/irq-loongson-eiointc.c
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Diffstat (limited to 'drivers/irqchip/irq-loongson-eiointc.c')
-rw-r--r--drivers/irqchip/irq-loongson-eiointc.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c
index 5cf4b800e499..d15fd38c1756 100644
--- a/drivers/irqchip/irq-loongson-eiointc.c
+++ b/drivers/irqchip/irq-loongson-eiointc.c
@@ -333,9 +333,8 @@ static struct syscore_ops eiointc_syscore_ops = {
.resume = eiointc_resume,
};
-static int __init
-pch_pic_parse_madt(union acpi_subtable_headers *header,
- const unsigned long end)
+static int __init pch_pic_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
{
struct acpi_madt_bio_pic *pchpic_entry = (struct acpi_madt_bio_pic *)header;
unsigned int node = (pchpic_entry->address >> 44) & 0xf;
@@ -347,9 +346,8 @@ pch_pic_parse_madt(union acpi_subtable_headers *header,
return -EINVAL;
}
-static int __init
-pch_msi_parse_madt(union acpi_subtable_headers *header,
- const unsigned long end)
+static int __init pch_msi_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
{
struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header;
struct irq_domain *parent = acpi_get_vec_parent(eiointc_priv[nr_pics - 1]->node, msi_group);
@@ -362,17 +360,23 @@ pch_msi_parse_madt(union acpi_subtable_headers *header,
static int __init acpi_cascade_irqdomain_init(void)
{
- acpi_table_parse_madt(ACPI_MADT_TYPE_BIO_PIC,
- pch_pic_parse_madt, 0);
- acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC,
- pch_msi_parse_madt, 1);
+ int r;
+
+ r = acpi_table_parse_madt(ACPI_MADT_TYPE_BIO_PIC, pch_pic_parse_madt, 0);
+ if (r < 0)
+ return r;
+
+ r = acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1);
+ if (r < 0)
+ return r;
+
return 0;
}
int __init eiointc_acpi_init(struct irq_domain *parent,
struct acpi_madt_eio_pic *acpi_eiointc)
{
- int i, parent_irq;
+ int i, ret, parent_irq;
unsigned long node_map;
struct eiointc_priv *priv;
@@ -419,9 +423,9 @@ int __init eiointc_acpi_init(struct irq_domain *parent,
acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, pch_group);
acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, msi_group);
- acpi_cascade_irqdomain_init();
+ ret = acpi_cascade_irqdomain_init();
- return 0;
+ return ret;
out_free_handle:
irq_domain_free_fwnode(priv->domain_handle);