linux-kernel - [PATCH] irqchip/sg2042-msi: Fix wrong type cast in sg2044_msi_irq

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Message-ID: <20250422003804.214264-1-inochiama@gmail.com>
Date: Tue, 22 Apr 2025 08:38:03 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Thomas Gleixner <tglx@...utronix.de>,
	Inochi Amaoto <inochiama@...il.com>,
	Chen Wang <unicorn_wang@...look.com>
Cc: linux-kernel@...r.kernel.org,
	kernel test robot <lkp@...el.com>
Subject: [PATCH] irqchip/sg2042-msi: Fix wrong type cast in sg2044_msi_irq_ack

The type cast in sg2044_msi_irq_ack lost __iomem attribute,
which make the pointer type incorrect.

Add the miss "__iomem" attribute to fix it.

Fixes: e96b93a97c90 ("irqchip/sg2042-msi: Add the Sophgo SG2044 MSI interrupt controller")
Signed-off-by: Inochi Amaoto <inochiama@...il.com>
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202504211251.B3aesulq-lkp@intel.com/
---
 drivers/irqchip/irq-sg2042-msi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-sg2042-msi.c b/drivers/irqchip/irq-sg2042-msi.c
index 8a83c690b760..a3e2a26d8495 100644
--- a/drivers/irqchip/irq-sg2042-msi.c
+++ b/drivers/irqchip/irq-sg2042-msi.c
@@ -98,7 +98,7 @@ static void sg2044_msi_irq_ack(struct irq_data *d)
 {
 	struct sg204x_msi_chipdata *data = irq_data_get_irq_chip_data(d);

-	writel(0, (u32 *)data->reg_clr + d->hwirq);
+	writel(0, (u32 __iomem *)data->reg_clr + d->hwirq);
 	irq_chip_ack_parent(d);
 }

--
2.49.0