irqchip/imx-gpcv2: Mark imx_gpcv2_instance with __ro_after_init

MrVan · Marc Zyngier · commit 29e525cc825e · 2021-12-16T15:19:43.000Z
imx_gpcv2_instance will not be updated after init, so mark it with __ro_after_init. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20211214084711.1357325-1-peng.fan@oss.nxp.com
diff --git 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)
 {

Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@ struct gpcv2_irqchip_data {`
`26`	`26`	`u32 cpu2wakeup;`
`27`	`27`	`};`
`28`	`28`
`29`		`-static struct gpcv2_irqchip_data *imx_gpcv2_instance;`
	`29`	`+static struct gpcv2_irqchip_data *imx_gpcv2_instance __ro_after_init;`
`30`	`30`
`31`	`31`	`static void __iomem gpcv2_idx_to_reg(struct gpcv2_irqchip_data cd, int i)`
`32`	`32`	`{`