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Message-ID: <aa725a3b84040e3136979acb8f71fa423bd02e71.camel@physik.fu-berlin.de>
Date:   Thu, 13 Jul 2023 08:55:15 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>
Cc:     linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [RFC] sh: highlander: Handle virq offset in cascaded
 IRL demux

On Sun, 2023-07-09 at 15:10 +0200, Geert Uytterhoeven wrote:
> Take into account the virq offset when translating cascaded IRL
> interrupts.
> 
> Fixes: a8ac2961148e8c72 ("sh: Avoid using IRQ0 on SH3 and SH4")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> Compile-tested only, but the fix is identical to the fix for rts7751r2d.
> ---
>  arch/sh/boards/mach-highlander/setup.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
> index 533393d779c2b97f..a821a1b155473d93 100644
> --- a/arch/sh/boards/mach-highlander/setup.c
> +++ b/arch/sh/boards/mach-highlander/setup.c
> @@ -389,10 +389,10 @@ static unsigned char irl2irq[HL_NR_IRL];
>  
>  static int highlander_irq_demux(int irq)
>  {
> -	if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
> +	if (irq >= 16 + HL_NR_IRL || irq < 16 || !irl2irq[irq - 16])
>  		return irq;
>  
> -	return irl2irq[irq];
> +	return irl2irq[irq - 16];
>  }
>  
>  static void __init highlander_init_irq(void)

Applied to my for-linus branch.

Thanks,
Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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