linux-kernel - Re: [PATCH V2 2/3] arch: mips: brcm: Add 7425 flash-edu support

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Message-ID: <20200121213624.iy2zcmixdea4iwqg@pburton-laptop>
Date:   Tue, 21 Jan 2020 13:36:24 -0800
From:   Paul Burton <paulburton@...nel.org>
To:     Kamal Dasu <kdasu.kdev@...il.com>
Cc:     linux-mtd@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH V2 2/3] arch: mips: brcm: Add 7425 flash-edu support

Hi Kamal,

On Tue, Jan 21, 2020 at 03:00:07PM -0500, Kamal Dasu wrote:
> Nand controller v5.0 and v6.0 have nand edu blocks that enable
> dma nand flash transfers. This allows for faster read and write
> access.
> 
> Signed-off-by: Kamal Dasu <kdasu.kdev@...il.com>
> ---
>  arch/mips/boot/dts/brcm/bcm7425.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
> index 410e61ebaf9e..aa0b2d39c902 100644
> --- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
> +++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
> @@ -403,8 +403,8 @@
>  			compatible = "brcm,brcmnand-v5.0", "brcm,brcmnand";
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> -			reg-names = "nand";
> -			reg = <0x41b800 0x400>;
> +			reg-names = "nand", "flash-edu";
> +			reg = <0x41b800 0x400>, <0x41bc00 0x24>;
>  			interrupt-parent = <&hif_l2_intc>;
>  			interrupts = <24>;
>  			status = "disabled";

I wasn't copied on the rest of the series, but presuming patch 1
documents flash-edu in the binding documentation at
Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt:

    Acked-by: Paul Burton <paulburton@...nel.org>

Thanks,
    Paul