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authorHuacai Chen <chenhuacai@loongson.cn>2022-10-20 17:25:14 +0300
committerMarc Zyngier <maz@kernel.org>2022-11-28 14:49:31 +0300
commit3d12938dbc048ecb193fec69898d95f6b4813a4b (patch)
tree7b0ba18ce11bd8233659f711484c9445318a519c /drivers/irqchip
parentc7c75e32f8a61854c38326aef276e3a58dc7fd08 (diff)
downloadlinux-3d12938dbc048ecb193fec69898d95f6b4813a4b.tar.xz
irqchip/loongarch: Adjust acpi_cascade_irqdomain_init() and sub-routines
1, Adjust the return of acpi_cascade_irqdomain_init() and check its return value. 2, Combine unnecessary short lines to one long line. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221020142514.1725514-1-chenhuacai@loongson.cn
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-loongarch-cpu.c30
-rw-r--r--drivers/irqchip/irq-loongson-eiointc.c30
-rw-r--r--drivers/irqchip/irq-loongson-pch-pic.c15
3 files changed, 44 insertions, 31 deletions
diff --git a/drivers/irqchip/irq-loongarch-cpu.c b/drivers/irqchip/irq-loongarch-cpu.c
index 741612ba6a52..fdec3e9cfacf 100644
--- a/drivers/irqchip/irq-loongarch-cpu.c
+++ b/drivers/irqchip/irq-loongarch-cpu.c
@@ -92,18 +92,16 @@ static const struct irq_domain_ops loongarch_cpu_intc_irq_domain_ops = {
.xlate = irq_domain_xlate_onecell,
};
-static int __init
-liointc_parse_madt(union acpi_subtable_headers *header,
- const unsigned long end)
+static int __init liointc_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
{
struct acpi_madt_lio_pic *liointc_entry = (struct acpi_madt_lio_pic *)header;
return liointc_acpi_init(irq_domain, liointc_entry);
}
-static int __init
-eiointc_parse_madt(union acpi_subtable_headers *header,
- const unsigned long end)
+static int __init eiointc_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
{
struct acpi_madt_eio_pic *eiointc_entry = (struct acpi_madt_eio_pic *)header;
@@ -112,16 +110,24 @@ eiointc_parse_madt(union acpi_subtable_headers *header,
static int __init acpi_cascade_irqdomain_init(void)
{
- acpi_table_parse_madt(ACPI_MADT_TYPE_LIO_PIC,
- liointc_parse_madt, 0);
- acpi_table_parse_madt(ACPI_MADT_TYPE_EIO_PIC,
- eiointc_parse_madt, 0);
+ int r;
+
+ r = acpi_table_parse_madt(ACPI_MADT_TYPE_LIO_PIC, liointc_parse_madt, 0);
+ if (r < 0)
+ return r;
+
+ r = acpi_table_parse_madt(ACPI_MADT_TYPE_EIO_PIC, eiointc_parse_madt, 0);
+ if (r < 0)
+ return r;
+
return 0;
}
static int __init cpuintc_acpi_init(union acpi_subtable_headers *header,
const unsigned long end)
{
+ int ret;
+
if (irq_domain)
return 0;
@@ -139,9 +145,9 @@ static int __init cpuintc_acpi_init(union acpi_subtable_headers *header,
set_handle_irq(&handle_cpu_irq);
acpi_set_irq_model(ACPI_IRQ_MODEL_LPIC, lpic_get_gsi_domain_id);
acpi_set_gsi_to_irq_fallback(lpic_gsi_to_irq);
- acpi_cascade_irqdomain_init();
+ ret = acpi_cascade_irqdomain_init();
- return 0;
+ return ret;
}
IRQCHIP_ACPI_DECLARE(cpuintc_v1, ACPI_MADT_TYPE_CORE_PIC,
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);
diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c
index 1fd015e77ecf..437f1af693d0 100644
--- a/drivers/irqchip/irq-loongson-pch-pic.c
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -378,9 +378,8 @@ int find_pch_pic(u32 gsi)
return -1;
}
-static int __init
-pch_lpc_parse_madt(union acpi_subtable_headers *header,
- const unsigned long end)
+static int __init pch_lpc_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
{
struct acpi_madt_lpc_pic *pchlpc_entry = (struct acpi_madt_lpc_pic *)header;
@@ -389,8 +388,12 @@ pch_lpc_parse_madt(union acpi_subtable_headers *header,
static int __init acpi_cascade_irqdomain_init(void)
{
- acpi_table_parse_madt(ACPI_MADT_TYPE_LPC_PIC,
- pch_lpc_parse_madt, 0);
+ int r;
+
+ r = acpi_table_parse_madt(ACPI_MADT_TYPE_LPC_PIC, pch_lpc_parse_madt, 0);
+ if (r < 0)
+ return r;
+
return 0;
}
@@ -417,7 +420,7 @@ int __init pch_pic_acpi_init(struct irq_domain *parent,
}
if (acpi_pchpic->id == 0)
- acpi_cascade_irqdomain_init();
+ ret = acpi_cascade_irqdomain_init();
return ret;
}