linux-kernel - [PATCH v2 4/8] spi: stm32-ospi: Simplify SMIE interrupt test

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251208-upstream_qspi_ospi_updates-v2-4-62526c9467dc@foss.st.com>
Date: Mon, 8 Dec 2025 08:29:11 +0100
From: Patrice Chotard <patrice.chotard@...s.st.com>
To: Mark Brown <broonie@...nel.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <linux-spi@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Patrice Chotard <patrice.chotard@...s.st.com>
Subject: [PATCH v2 4/8] spi: stm32-ospi: Simplify SMIE interrupt test

SR_SMF status bit can only be set if CR_SMIE was previously set,
keep status bit check only.

Signed-off-by: Patrice Chotard <patrice.chotard@...s.st.com>
---
 drivers/spi/spi-stm32-ospi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index 06632cdd1630..c36df8d3f5cb 100644
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -279,7 +279,7 @@ static irqreturn_t stm32_ospi_irq(int irq, void *dev_id)
 	cr = readl_relaxed(regs_base + OSPI_CR);
 	sr = readl_relaxed(regs_base + OSPI_SR);
 
-	if (cr & CR_SMIE && sr & SR_SMF) {
+	if (sr & SR_SMF) {
 		/* disable irq */
 		cr &= ~CR_SMIE;
 		writel_relaxed(cr, regs_base + OSPI_CR);

-- 
2.43.0