linux-kernel - Re: [PATCH v6 2/9] irqchip/sunxi-nmi: add support for the NMI in A64 R

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Date:   Mon, 22 May 2017 10:39:22 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Icenowy Zheng <icenowy@...c.io>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>, Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v6 2/9] irqchip/sunxi-nmi: add support for the NMI in A64
 R_INTC

On 18/05/17 08:16, Icenowy Zheng wrote:
> Add support for the newly imported compatible for the A64 R_INTC in
> irq-sunxi-nmi driver.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
> Changes in v5:
> - Fix A64 R_INTC compatible.
> 
>  drivers/irqchip/irq-sunxi-nmi.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
> index 668730c5cb66..5559c1d593bf 100644
> --- a/drivers/irqchip/irq-sunxi-nmi.c
> +++ b/drivers/irqchip/irq-sunxi-nmi.c
> @@ -56,6 +56,12 @@ static struct sunxi_sc_nmi_reg_offs sun9i_reg_offs = {
>  	.enable	= 0x04,
>  };
>  
> +static struct sunxi_sc_nmi_reg_offs sun50i_reg_offs = {
> +	.ctrl	= 0x0c,
> +	.pend	= 0x10,
> +	.enable	= 0x40,
> +};
> +

Magic values? Even if no #define is provided, a pointer to the
corresponding documentation would be appreciated (assuming documentation
exists).

>  static inline void sunxi_sc_nmi_write(struct irq_chip_generic *gc, u32 off,
>  				      u32 val)
>  {
> @@ -220,3 +226,10 @@ static int __init sun9i_nmi_irq_init(struct device_node *node,
>  	return sunxi_sc_nmi_irq_init(node, &sun9i_reg_offs);
>  }
>  IRQCHIP_DECLARE(sun9i_nmi, "allwinner,sun9i-a80-nmi", sun9i_nmi_irq_init);
> +
> +static int __init sun50i_nmi_irq_init(struct device_node *node,
> +				     struct device_node *parent)
> +{
> +	return sunxi_sc_nmi_irq_init(node, &sun50i_reg_offs);
> +}
> +IRQCHIP_DECLARE(sun50i_nmi, "allwinner,sun50i-a64-r-intc", sun50i_nmi_irq_init);
> 

Apart from the above:

Acked-by: Marc Zyngier <marc.zyngier@....com>

Let me know how you want this to be merged.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...