linux-kernel - [tip: irq/cleanups] bus: fsl-mc: Use default primary handler

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Message-ID: <176996602933.2495410.8739189321451615740.tip-bot2@tip-bot2>
Date: Sun, 01 Feb 2026 17:13:49 -0000
From: "tip-bot2 for Sebastian Andrzej Siewior" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Thomas Gleixner <tglx@...nel.org>, Ioana Ciornei <ioana.ciornei@....com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: irq/cleanups] bus: fsl-mc: Use default primary handler

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     29d4ff55fe9866be7afa3669ff54da0e4bfd5fb8
Gitweb:        https://git.kernel.org/tip/29d4ff55fe9866be7afa3669ff54da0e4bfd5fb8
Author:        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
AuthorDate:    Wed, 28 Jan 2026 10:55:25 +01:00
Committer:     Thomas Gleixner <tglx@...nel.org>
CommitterDate: Sun, 01 Feb 2026 17:37:14 +01:00

bus: fsl-mc: Use default primary handler

There is no added value in dprc_irq0_handler() compared to
irq_default_primary_handler().

Use the default primary interrupt handler by specifying NULL.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...nel.org>
Reviewed-by: Ioana Ciornei <ioana.ciornei@....com>
Link: https://patch.msgid.link/20260128095540.863589-6-bigeasy@linutronix.de
---
 drivers/bus/fsl-mc/dprc-driver.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/bus/fsl-mc/dprc-driver.c b/drivers/bus/fsl-mc/dprc-driver.c
index c63a7e6..db67442 100644
--- a/drivers/bus/fsl-mc/dprc-driver.c
+++ b/drivers/bus/fsl-mc/dprc-driver.c
@@ -381,17 +381,6 @@ int dprc_scan_container(struct fsl_mc_device *mc_bus_dev,
 EXPORT_SYMBOL_GPL(dprc_scan_container);
 
 /**
- * dprc_irq0_handler - Regular ISR for DPRC interrupt 0
- *
- * @irq_num: IRQ number of the interrupt being handled
- * @arg: Pointer to device structure
- */
-static irqreturn_t dprc_irq0_handler(int irq_num, void *arg)
-{
-	return IRQ_WAKE_THREAD;
-}
-
-/**
  * dprc_irq0_handler_thread - Handler thread function for DPRC interrupt 0
  *
  * @irq_num: IRQ number of the interrupt being handled
@@ -527,7 +516,7 @@ static int register_dprc_irq_handler(struct fsl_mc_device *mc_dev)
 	 */
 	error = devm_request_threaded_irq(&mc_dev->dev,
 					  irq->virq,
-					  dprc_irq0_handler,
+					  NULL,
 					  dprc_irq0_handler_thread,
 					  IRQF_NO_SUSPEND | IRQF_ONESHOT,
 					  dev_name(&mc_dev->dev),