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

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Date:   Tue, 14 Dec 2021 10:33:14 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>, tglx@...utronix.de,
        maz@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com
Cc:     Peng Fan <peng.fan@....com>, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] irqchip/irq-imx-gpcv2: mark imx_gpcv2_instance with
 __ro_after_init

Am Dienstag, dem 14.12.2021 um 16:47 +0800 schrieb Peng Fan (OSS):
> 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>

Reviewed-by: Lucas Stach <l.stach@...gutronix.de>

> ---
>  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)
>  {