linux-kernel - Re: [PATCH 08/35] ARM: davinci: select SPARSE

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Date:   Mon, 4 Feb 2019 16:46:16 -0600
From:   David Lechner <david@...hnology.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>, Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 08/35] ARM: davinci: select SPARSE_IRQ

On 1/31/19 7:39 AM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> Everything is in place now for SPARSE_IRQ. Select it and set
> DAVINCI_INTC_START to NR_IRQS.
> 
> We now need to include mach/irqs.h in a couple places as it is no
> longer indirectly included after selecting SPARSE_IRQ.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---

Reviewed-by: David Lechner <david@...hnology.com>

...

> diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
> index 14fa668d4e8d..317cbc42e5cd 100644
> --- a/arch/arm/mach-davinci/include/mach/irqs.h
> +++ b/arch/arm/mach-davinci/include/mach/irqs.h
> @@ -27,10 +27,12 @@
>   #ifndef __ASM_ARCH_IRQS_H
>   #define __ASM_ARCH_IRQS_H
>   
> +#include <asm/irq.h>
> +
>   /* Base address */
>   #define DAVINCI_ARM_INTC_BASE 0x01C48000
>   
> -#define DAVINCI_INTC_START		0
> +#define DAVINCI_INTC_START		NR_IRQS
>   #define DAVINCI_INTC_IRQ(_irqnum)	(DAVINCI_INTC_START + (_irqnum))
>   
>   /* Interrupt lines */
> @@ -404,6 +406,5 @@
>   /* da850 currently has the most gpio pins (144) */
>   #define DAVINCI_N_GPIO			144
>   /* da850 currently has the most irqs so use DA850_N_CP_INTC_IRQ */

It would make sense to delete this comment in this patch as well
(although it gets deleted later anyway).

> -#define NR_IRQS				(DA850_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
>   
>   #endif /* __ASM_ARCH_IRQS_H */