linux-kernel - Re: [PATCH] mips: setup: fix setnocoherentio() boolean setting

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Date:   Tue, 22 Feb 2022 09:43:31 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH] mips: setup: fix setnocoherentio() boolean setting

On Mon, Feb 21, 2022 at 09:50:29AM -0800, Randy Dunlap wrote:
> Correct a typo/pasto: setnocoherentio() should set
> dma_default_coherent to false, not true.
> 
> Fixes: 14ac09a65e19 ("MIPS: refactor the runtime coherent vs noncoherent DMA indicators")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Christoph Hellwig <hch@....de>
> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> Cc: linux-mips@...r.kernel.org
> ---
>  arch/mips/kernel/setup.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- linux-next-20220217.orig/arch/mips/kernel/setup.c
> +++ linux-next-20220217/arch/mips/kernel/setup.c
> @@ -803,7 +803,7 @@ early_param("coherentio", setcoherentio)
>  
>  static int __init setnocoherentio(char *str)
>  {
> -	dma_default_coherent = true;
> +	dma_default_coherent = false;
>  	pr_info("Software DMA cache coherency (command line)\n");
>  	return 0;
>  }

applied to mips-fixes.

Thomas.

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