linux-kernel - [tip: irq/cleanups] scsi: efct: Use IRQF

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Message-ID: <176996602724.2495410.9523742396264020344.tip-bot2@tip-bot2>
Date: Sun, 01 Feb 2026 17:13:47 -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>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject:
 [tip: irq/cleanups] scsi: efct: Use IRQF_ONESHOT and default primary handler

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

Commit-ID:     bd81f07e9a27c341cd7e72be95eb0b7cf3910926
Gitweb:        https://git.kernel.org/tip/bd81f07e9a27c341cd7e72be95eb0b7cf3910926
Author:        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
AuthorDate:    Wed, 28 Jan 2026 10:55:27 +01:00
Committer:     Thomas Gleixner <tglx@...nel.org>
CommitterDate: Sun, 01 Feb 2026 17:37:14 +01:00

scsi: efct: Use IRQF_ONESHOT and default primary handler

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

Using a threaded interrupt without a dedicated primary handler mandates
the IRQF_ONESHOT flag to mask the interrupt source while the threaded
handler is active. Otherwise the interrupt can fire again before the
threaded handler had a chance to run.

Use the default primary interrupt handler by specifying NULL and set
IRQF_ONESHOT so the interrupt source is masked until the secondary
handler is done.

Fixes: 4df84e8466242 ("scsi: elx: efct: Driver initialization routines")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...nel.org>
Link: https://patch.msgid.link/20260128095540.863589-8-bigeasy@linutronix.de
---
 drivers/scsi/elx/efct/efct_driver.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/scsi/elx/efct/efct_driver.c b/drivers/scsi/elx/efct/efct_driver.c
index 1bd42f7..528399f 100644
--- a/drivers/scsi/elx/efct/efct_driver.c
+++ b/drivers/scsi/elx/efct/efct_driver.c
@@ -415,12 +415,6 @@ efct_intr_thread(int irq, void *handle)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t
-efct_intr_msix(int irq, void *handle)
-{
-	return IRQ_WAKE_THREAD;
-}
-
 static int
 efct_setup_msix(struct efct *efct, u32 num_intrs)
 {
@@ -450,7 +444,7 @@ efct_setup_msix(struct efct *efct, u32 num_intrs)
 		intr_ctx->index = i;
 
 		rc = request_threaded_irq(pci_irq_vector(efct->pci, i),
-					  efct_intr_msix, efct_intr_thread, 0,
+					  NULL, efct_intr_thread, IRQF_ONESHOT,
 					  EFCT_DRIVER_NAME, intr_ctx);
 		if (rc) {
 			dev_err(&efct->pci->dev,