From: Huacai Chen <chenhuacai@loongson.cn>
To: Thomas Gleixner <tglx@linutronix.de>, Marc Zyngier <maz@kernel.org>
Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org,
Xuefeng Li <lixuefeng@loongson.cn>,
Huacai Chen <chenhuacai@gmail.com>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Huacai Chen <chenhuacai@loongson.cn>
Subject: [PATCH V2] irqchip/loongarch: Adjust acpi_cascade_irqdomain_init() and sub-routines
Date: Thu, 20 Oct 2022 22:25:14 +0800 [thread overview]
Message-ID: <20221020142514.1725514-1-chenhuacai@loongson.cn> (raw)
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>
---
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
next reply other threads:[~2022-10-20 14:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-20 14:25 Huacai Chen [this message]
2022-11-27 5:43 ` [PATCH V2] irqchip/loongarch: Adjust acpi_cascade_irqdomain_init() and sub-routines Huacai Chen
2022-11-28 11:53 ` [irqchip: irq/irqchip-next] " irqchip-bot for Huacai Chen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221020142514.1725514-1-chenhuacai@loongson.cn \
--to=chenhuacai@loongson.cn \
--cc=chenhuacai@gmail.com \
--cc=jiaxun.yang@flygoat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lixuefeng@loongson.cn \
--cc=loongarch@lists.linux.dev \
--cc=maz@kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).