linux-kernel - Re: [PATCH 07/11] irqchip: brcmstb-l2: Use irq_reg

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Date:	Wed, 29 Oct 2014 09:54:27 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Kevin Cernekee <cernekee@...il.com>, tglx@...utronix.de,
	jason@...edaemon.net, ralf@...ux-mips.org
CC:	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	mbizon@...ebox.fr, jogo@...nwrt.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH 07/11] irqchip: brcmstb-l2: Use irq_reg_* accessors

On 10/28/2014 08:58 PM, Kevin Cernekee wrote:
> This change was just made on bcm7120-l2, so let's keep things consistent
> between the two drivers.
> 
> Signed-off-by: Kevin Cernekee <cernekee@...il.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>

> ---
>  drivers/irqchip/irq-brcmstb-l2.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
> index c9bdf20..8b82b86 100644
> --- a/drivers/irqchip/irq-brcmstb-l2.c
> +++ b/drivers/irqchip/irq-brcmstb-l2.c
> @@ -58,8 +58,8 @@ static void brcmstb_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc)
>  
>  	chained_irq_enter(chip, desc);
>  
> -	status = __raw_readl(b->base + CPU_STATUS) &
> -		~(__raw_readl(b->base + CPU_MASK_STATUS));
> +	status = irq_reg_readl(b->base + CPU_STATUS) &
> +		~(irq_reg_readl(b->base + CPU_MASK_STATUS));
>  
>  	if (status == 0) {
>  		raw_spin_lock(&desc->lock);
> @@ -71,7 +71,7 @@ static void brcmstb_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc)
>  	do {
>  		irq = ffs(status) - 1;
>  		/* ack at our level */
> -		__raw_writel(1 << irq, b->base + CPU_CLEAR);
> +		irq_reg_writel(1 << irq, b->base + CPU_CLEAR);
>  		status &= ~(1 << irq);
>  		generic_handle_irq(irq_find_mapping(b->domain, irq));
>  	} while (status);
> @@ -86,12 +86,12 @@ static void brcmstb_l2_intc_suspend(struct irq_data *d)
>  
>  	irq_gc_lock(gc);
>  	/* Save the current mask */
> -	b->saved_mask = __raw_readl(b->base + CPU_MASK_STATUS);
> +	b->saved_mask = irq_reg_readl(b->base + CPU_MASK_STATUS);
>  
>  	if (b->can_wake) {
>  		/* Program the wakeup mask */
> -		__raw_writel(~gc->wake_active, b->base + CPU_MASK_SET);
> -		__raw_writel(gc->wake_active, b->base + CPU_MASK_CLEAR);
> +		irq_reg_writel(~gc->wake_active, b->base + CPU_MASK_SET);
> +		irq_reg_writel(gc->wake_active, b->base + CPU_MASK_CLEAR);
>  	}
>  	irq_gc_unlock(gc);
>  }
> @@ -103,11 +103,11 @@ static void brcmstb_l2_intc_resume(struct irq_data *d)
>  
>  	irq_gc_lock(gc);
>  	/* Clear unmasked non-wakeup interrupts */
> -	__raw_writel(~b->saved_mask & ~gc->wake_active, b->base + CPU_CLEAR);
> +	irq_reg_writel(~b->saved_mask & ~gc->wake_active, b->base + CPU_CLEAR);
>  
>  	/* Restore the saved mask */
> -	__raw_writel(b->saved_mask, b->base + CPU_MASK_SET);
> -	__raw_writel(~b->saved_mask, b->base + CPU_MASK_CLEAR);
> +	irq_reg_writel(b->saved_mask, b->base + CPU_MASK_SET);
> +	irq_reg_writel(~b->saved_mask, b->base + CPU_MASK_CLEAR);
>  	irq_gc_unlock(gc);
>  }
>  
> @@ -132,8 +132,8 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np,
>  	}
>  
>  	/* Disable all interrupts by default */
> -	__raw_writel(0xffffffff, data->base + CPU_MASK_SET);
> -	__raw_writel(0xffffffff, data->base + CPU_CLEAR);
> +	irq_reg_writel(0xffffffff, data->base + CPU_MASK_SET);
> +	irq_reg_writel(0xffffffff, data->base + CPU_CLEAR);
>  
>  	data->parent_irq = irq_of_parse_and_map(np, 0);
>  	if (data->parent_irq < 0) {
> 

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