linux-kernel - Re: [PATCH] ARM: dts: turris-omnia: fix hardware buffer management

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Date:   Fri, 02 Apr 2021 22:13:19 +0200
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Rui Salvaterra <rsalvaterra@...il.com>, andrew@...n.ch,
        kabel@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rui Salvaterra <rsalvaterra@...il.com>
Subject: Re: [PATCH] ARM: dts: turris-omnia: fix hardware buffer management

Hi Rui,

> Hardware buffer management has never worked on the Turris Omnia, as the
> required MBus window hadn't been reserved. Fix thusly.
>
> Fixes: 018b88eee1a2 ("ARM: dts: turris-omnia: enable HW buffer management")
>
> Signed-off-by: Rui Salvaterra <rsalvaterra@...il.com>

Applied on mvebu/fixes

Thanks,

Gregory

> ---
>  arch/arm/boot/dts/armada-385-turris-omnia.dts | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts
> index 646a06420c77..dc80a909ea88 100644
> --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
> +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
> @@ -32,7 +32,8 @@ soc {
>  		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
>  			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
>  			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
> -			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
> +			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
> +			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
>  
>  		internal-regs {
>  
> -- 
> 2.30.1
>

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com