linux-kernel - [PATCH] irqchip/irq-imx-gpcv2: mark imx_gpcv2_instance with __ro_after

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Date:   Tue, 14 Dec 2021 16:47:11 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     tglx@...utronix.de, maz@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com
Cc:     linux-imx@....com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: [PATCH] irqchip/irq-imx-gpcv2: mark imx_gpcv2_instance with __ro_after_init

From: Peng Fan <peng.fan@....com>

imx_gpcv2_instance will not be updated after init, so mark it with
__ro_after_init.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/irqchip/irq-imx-gpcv2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 5b5a365dbd5e..b9c22f764b4d 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -26,7 +26,7 @@ struct gpcv2_irqchip_data {
 	u32			cpu2wakeup;
 };
 
-static struct gpcv2_irqchip_data *imx_gpcv2_instance;
+static struct gpcv2_irqchip_data *imx_gpcv2_instance __ro_after_init;
 
 static void __iomem *gpcv2_idx_to_reg(struct gpcv2_irqchip_data *cd, int i)
 {
-- 
2.25.1