From: "irqchip-bot for Marc Zyngier" <tip-bot2@linutronix.de>
To: linux-kernel@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>, tglx@linutronix.de
Subject: [irqchip: irq/irqchip-next] genirq: Add generic_handle_domain_irq() helper
Date: Fri, 11 Jun 2021 13:54:34 -0000 [thread overview]
Message-ID: <162341967477.19906.1865117073767373222.tip-bot2@tip-bot2> (raw)
The following commit has been merged into the irq/irqchip-next branch of irqchip:
Commit-ID: 8240ef50d4864325b346e40bb9d30cda9f22102d
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/8240ef50d4864325b346e40bb9d30cda9f22102d
Author: Marc Zyngier <maz@kernel.org>
AuthorDate: Wed, 12 May 2021 13:45:52 +01:00
Committer: Marc Zyngier <maz@kernel.org>
CommitterDate: Thu, 10 Jun 2021 13:09:19 +01:00
genirq: Add generic_handle_domain_irq() helper
Provide generic_handle_domain_irq() as a pendent to handle_domain_irq()
for non-root interrupt controllers
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
include/linux/irqdesc.h | 2 ++
kernel/irq/irqdesc.c | 19 ++++++++++++++++++-
2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 2971eb7..0f226c6 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -170,6 +170,8 @@ int generic_handle_irq(unsigned int irq);
int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
bool lookup, struct pt_regs *regs);
+int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq);
+
static inline int handle_domain_irq(struct irq_domain *domain,
unsigned int hwirq, struct pt_regs *regs)
{
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 684c5b7..6179d5b 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -661,7 +661,24 @@ EXPORT_SYMBOL_GPL(generic_handle_irq);
#ifdef CONFIG_HANDLE_DOMAIN_IRQ
/**
- * __handle_domain_irq - Invoke the handler for a HW irq belonging to a domain
+ * generic_handle_domain_irq - Invoke the handler for a HW irq belonging
+ * to a domain, usually for a non-root interrupt
+ * controller
+ * @domain: The domain where to perform the lookup
+ * @hwirq: The HW irq number to convert to a logical one
+ *
+ * Returns: 0 on success, or -EINVAL if conversion has failed
+ *
+ */
+int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq)
+{
+ return handle_irq_desc(irq_resolve_mapping(domain, hwirq));
+}
+EXPORT_SYMBOL_GPL(generic_handle_domain_irq);
+
+/**
+ * __handle_domain_irq - Invoke the handler for a HW irq belonging to a domain,
+ * usually for a root interrupt controller
* @domain: The domain where to perform the lookup
* @hwirq: The HW irq number to convert to a logical one
* @lookup: Whether to perform the domain lookup or not
next reply other threads:[~2021-06-11 13:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-11 13:54 irqchip-bot for Marc Zyngier [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-06-06 12:43 [irqchip: irq/irqchip-next] genirq: Add generic_handle_domain_irq() helper irqchip-bot for Marc Zyngier
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=162341967477.19906.1865117073767373222.tip-bot2@tip-bot2 \
--to=tip-bot2@linutronix.de \
--cc=linux-kernel@vger.kernel.org \
--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).