linux-kernel - Re: [PATCH v2 2/3] sh: dma: Drop incorrect SH_DMAC

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Date:   Tue, 04 Jul 2023 22:32:10 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Artur Rojek <contact@...ur-rojek.eu>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Rafael Ignacio Zurita <rafaelignacio.zurita@...il.com>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] sh: dma: Drop incorrect SH_DMAC_BASE1 for SH4

On Sat, 2023-05-27 at 18:44 +0200, Artur Rojek wrote:
> None of the supported SH4 family SoCs features a second DMAC module. As
> this define negatively impacts DMA channel calculation for the above
> targets, remove it from the code.
> 
> Signed-off-by: Artur Rojek <contact@...ur-rojek.eu>
> ---
> 
> v2: new patch
> 
>  arch/sh/include/cpu-sh4/cpu/dma.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h
> index 38187d06b234..e97fb2c79177 100644
> --- a/arch/sh/include/cpu-sh4/cpu/dma.h
> +++ b/arch/sh/include/cpu-sh4/cpu/dma.h
> @@ -13,6 +13,5 @@
>  #define DMAE0_IRQ	evt2irq(0x6c0)
>  
>  #define SH_DMAC_BASE0	0xffa00000
> -#define SH_DMAC_BASE1	0xffa00070
>  
>  #endif /* __ASM_CPU_SH4_DMA_H */

Reviewed-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>

-- 
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