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Message-ID: <ee867960-91bb-659b-a87b-6c04613608c5@gmail.com>
Date:   Thu, 23 Mar 2023 09:43:10 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Álvaro Fernández Rojas <noltari@...il.com>,
        paul.geurts@...drive-technologies.com, jonas.gorski@...il.com,
        andrew@...n.ch, olteanv@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] net: dsa: b53: mdio: add support for BCM53134

On 3/23/23 05:18, Álvaro Fernández Rojas wrote:
> From: Paul Geurts <paul.geurts@...drive-technologies.com>
> 
> Add support for the BCM53134 Ethernet switch in the existing b53 dsa driver.
> BCM53134 is very similar to the BCM58XX series.
> 
> Signed-off-by: Paul Geurts <paul.geurts@...drive-technologies.com>
> Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
> ---
>   drivers/net/dsa/b53/b53_common.c | 53 +++++++++++++++++++++++++++++++-
>   drivers/net/dsa/b53/b53_mdio.c   |  5 ++-
>   drivers/net/dsa/b53/b53_priv.h   |  9 +++++-
>   3 files changed, 64 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
> index 1f9b251a5452..aaa0813e6f59 100644
> --- a/drivers/net/dsa/b53/b53_common.c
> +++ b/drivers/net/dsa/b53/b53_common.c
> @@ -1282,6 +1282,42 @@ static void b53_adjust_link(struct dsa_switch *ds, int port,
>   	if (is63xx(dev) && port >= B53_63XX_RGMII0)
>   		b53_adjust_63xx_rgmii(ds, port, phydev->interface);
>   
> +	if (is53134(dev) && phy_interface_is_rgmii(phydev)) {

Why is not this in the same code block as the one for the is531x5() 
device like this:

diff --git a/drivers/net/dsa/b53/b53_common.c 
b/drivers/net/dsa/b53/b53_common.c
index 59cdfc51ce06..1c64b6ce7e78 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1235,7 +1235,7 @@ static void b53_adjust_link(struct dsa_switch *ds, 
int port,
                               tx_pause, rx_pause);
         b53_force_link(dev, port, phydev->link);

-       if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
+       if ((is531x5(dev) || is53134(dev)) && 
phy_interface_is_rgmii(phydev)) {
                 if (port == dev->imp_port)
                         off = B53_RGMII_CTRL_IMP;
                 else

Other than that, LGTM!
-- 
Florian

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