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Message-Id: <20221020142514.1725514-1-chenhuacai@loongson.cn>
Date: Thu, 20 Oct 2022 22:25:14 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>
Cc: loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
Xuefeng Li <lixuefeng@...ngson.cn>,
Huacai Chen <chenhuacai@...il.com>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH V2] 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@...ngson.cn>
---
V2: Adjust the return of acpi_cascade_irqdomain_init() and check its
return value.
drivers/irqchip/irq-loongarch-cpu.c | 30 +++++++++++++++-----------
drivers/irqchip/irq-loongson-eiointc.c | 30 +++++++++++++++-----------
drivers/irqchip/irq-loongson-pch-pic.c | 15 +++++++------
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 16e9af8d8b1e..62867209736c 100644
--- a/drivers/irqchip/irq-loongson-eiointc.c
+++ b/drivers/irqchip/irq-loongson-eiointc.c
@@ -301,9 +301,8 @@ static struct irq_domain *acpi_get_vec_parent(int node, struct acpi_vector_group
return NULL;
}
-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;
@@ -315,9 +314,8 @@ 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);
@@ -330,17 +328,23 @@ 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;
@@ -386,9 +390,9 @@ 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 c01b9c257005..7477bbcf89fb 100644
--- a/drivers/irqchip/irq-loongson-pch-pic.c
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -325,9 +325,8 @@ 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;
@@ -336,8 +335,12 @@ 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;
}
@@ -364,7 +367,7 @@ 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;
}
--
2.31.1
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