linux-kernel - Re: [PATCH v2] ARM: dts: bcm2711: Move emmc2 into its own bus

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Message-Id: <C16EMMYP9HNH.163772OHL9QL4@linux-9qgx>
Date:   Mon, 09 Mar 2020 16:20:33 +0100
From:   "Nicolas Saenz Julienne" <nsaenzjulienne@...e.de>
To:     "Nicolas Saenz Julienne" <nsaenzjulienne@...e.de>,
        "Rob Herring" <robh+dt@...nel.org>
Cc:     <devicetree@...r.kernel.org>, <f.fainelli@...il.com>,
        <phil@...pberrypi.org>, <linux-kernel@...r.kernel.org>,
        <bcm-kernel-feedback-list@...adcom.com>,
        <linux-rpi-kernel@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2] ARM: dts: bcm2711: Move emmc2 into its own bus

On Wed Mar 4, 2020 at 3:24 PM PST, Nicolas Saenz Julienne wrote:
> Depending on bcm2711's revision its emmc2 controller might have
> different DMA constraints. Raspberry Pi 4's firmware will take care of
> updating those, but only if a certain alias is found in the device tree.
> So, move emmc2 into its own bus, so as not to pollute other devices with
> dma-ranges changes and create the emmc2bus alias.
>
> Based in Phil ELwell's downstream implementation.
>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> ---

Applied to for-next

Regards,
Nicolas