linux-kernel - Re: [PATCH] irqchip/irq-csky-mpintc: Fixup mask/unmask un-implementation

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Date:   Mon, 25 Oct 2021 11:34:03 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     guoren@...nel.org
Cc:     tglx@...utronix.de, linux-kernel@...r.kernel.org,
        linux-csky@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>,
        Marc Zyngier <marc.zyngier@....com>
Subject: Re: [PATCH] irqchip/irq-csky-mpintc: Fixup mask/unmask un-implementation

On Mon, 25 Oct 2021 10:12:19 +0100,
guoren@...nel.org wrote:
> 
> From: Guo Ren <guoren@...ux.alibaba.com>
> 
> The mask/unmask must be implemented, and enable/disable supplement
> them if the HW requires something different at startup time. When
> irq source is disabled by mask, mpintc could complete irq normally.
> 
> So just replace the with mask/unmask function.
> 
> Tested-by: Guo Ren <guoren@...ux.alibaba.com>

This only makes sense if tested by a third party. It is assumed that
the author of a patch has tested it.

> Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
> Cc: Marc Zyngier <marc.zyngier@....com>

This hasn't been my email address for over two years now. I'm sure my
ex manager is happy to hear from you, but I doubt he'll bother replying.

> ---
>  drivers/irqchip/irq-csky-mpintc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-csky-mpintc.c b/drivers/irqchip/irq-csky-mpintc.c
> index a1534edef7fa..f169600dbde6 100644
> --- a/drivers/irqchip/irq-csky-mpintc.c
> +++ b/drivers/irqchip/irq-csky-mpintc.c
> @@ -164,8 +164,8 @@ static int csky_irq_set_affinity(struct irq_data *d,
>  static struct irq_chip csky_irq_chip = {
>  	.name           = "C-SKY SMP Intc",
>  	.irq_eoi	= csky_mpintc_eoi,
> -	.irq_enable	= csky_mpintc_enable,
> -	.irq_disable	= csky_mpintc_disable,
> +	.irq_unmask	= csky_mpintc_enable,
> +	.irq_mask	= csky_mpintc_disable,
>  	.irq_set_type	= csky_mpintc_set_type,
>  #ifdef CONFIG_SMP
>  	.irq_set_affinity = csky_irq_set_affinity,

Please rename the functions to match the fields they are assigned to.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.