linux-kernel - [irqchip: irq/irqchip-next] genirq: Expand doc for PENDING and REPLAY flags

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Message-ID: <168691472619.404.8619258903421103207.tip-bot2@tip-bot2>
Date:   Fri, 16 Jun 2023 11:25:26 -0000
From:   "irqchip-bot for James Gowans" <tip-bot2@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     James Gowans <jgowans@...zon.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Liao Chang <liaochang1@...wei.com>
Subject: [irqchip: irq/irqchip-next] genirq: Expand doc for PENDING and REPLAY flags

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     7cc148a32f1e7496e22c0005dd113a31d4a3b3d4
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/7cc148a32f1e7496e22c0005dd113a31d4a3b3d4
Author:        James Gowans <jgowans@...zon.com>
AuthorDate:    Thu, 08 Jun 2023 14:00:19 +02:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Fri, 16 Jun 2023 12:22:05 +01:00

genirq: Expand doc for PENDING and REPLAY flags

Adding a bit more info about what the flags are used for may help future
code readers.

Signed-off-by: James Gowans <jgowans@...zon.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Marc Zyngier <maz@...nel.org>
Cc: Liao Chang <liaochang1@...wei.com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20230608120021.3273400-2-jgowans@amazon.com
---
 kernel/irq/internals.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 5fdc0b5..c443a0d 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -47,9 +47,12 @@ enum {
  *				  detection
  * IRQS_POLL_INPROGRESS		- polling in progress
  * IRQS_ONESHOT			- irq is not unmasked in primary handler
- * IRQS_REPLAY			- irq is replayed
+ * IRQS_REPLAY			- irq has been resent and will not be resent
+ * 				  again until the handler has run and cleared
+ * 				  this flag.
  * IRQS_WAITING			- irq is waiting
- * IRQS_PENDING			- irq is pending and replayed later
+ * IRQS_PENDING			- irq needs to be resent and should be resent
+ * 				  at the next available opportunity.
  * IRQS_SUSPENDED		- irq is suspended
  * IRQS_NMI			- irq line is used to deliver NMIs
  * IRQS_SYSFS			- descriptor has been added to sysfs