linux-kernel - Re: [PATCH net v2 0/3] QorIQ DPAA ARM RDBs need internal delay on RGMII

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Message-Id: <20200316.145847.669961790477208036.davem@davemloft.net>
Date:   Mon, 16 Mar 2020 14:58:47 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     madalin.bucur@....nxp.com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        shawnguo@...nel.org, leoyang.li@....com, robh+dt@...nel.org,
        mark.rutland@....com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2 0/3] QorIQ DPAA ARM RDBs need internal delay on
 RGMII

From: Madalin Bucur <madalin.bucur@....nxp.com>
Date: Mon, 16 Mar 2020 14:05:55 +0200

> v2: used phy_interface_mode_is_rgmii() to identify RGMII
> 
> The QorIQ DPAA 1 based RDB boards require internal delay on
> both Tx and Rx to be set. The patch set ensures all RGMII
> modes are treated correctly by the FMan driver and sets the
> phy-connection-type to "rgmii-id" to restore functionality.
> Previously Rx internal delay was set by board pull-ups and
> was left untouched by the PHY driver. Since commit
> 1b3047b5208a80 ("net: phy: realtek: add support for
> configuring the RX delay on RTL8211F") the Realtek 8211F PHY
> driver has control over the RGMII RX delay and it is
> disabling it for other modes than RGMII_RXID and RGMII_ID.
> 
> Please note that u-boot in particular performs a fix-up of
> the PHY connection type and will overwrite the values from
> the Linux device tree. Another patch set was sent for u-boot
> and one needs to apply that [1] to the boot loader, to ensure
> this fix is complete, unless a different bootloader is used.

Series applied, thanks.