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From: Andrew Lunn <andrew@lunn.ch>
To: Aaron Ma <aaron.ma@canonical.com>
Cc: Mario.Limonciello@amd.com, kuba@kernel.org,
	henning.schild@siemens.com, linux-usb@vger.kernel.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	davem@davemloft.net, hayeswang@realtek.com, tiwai@suse.de
Subject: Re: [PATCH] net: usb: r8152: Add MAC passthrough support for RTL8153BL
Date: Thu, 27 Jan 2022 15:19:31 +0100	[thread overview]
Message-ID: <YfKp81yJWd95Jrg7@lunn.ch> (raw)
In-Reply-To: <20220127100109.12979-1-aaron.ma@canonical.com>

On Thu, Jan 27, 2022 at 06:01:09PM +0800, Aaron Ma wrote:
> RTL8153-BL is used in Lenovo Thunderbolt4 dock.
> Add the support of MAC passthrough.
> This is ported from Realtek Outbox driver r8152.53.56-2.15.0.
> 
> There are 2 kinds of rules for MAC passthrough of Lenovo products,
> 1st USB vendor ID belongs to Lenovo, 2nd the chip of RTL8153-BL
> is dedicated for Lenovo. Check the ocp data first then set ACPI object
> names.
> 
> Suggested-by: Hayes Wang <hayeswang@realtek.com>
> Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
> ---
>  drivers/net/usb/r8152.c | 44 ++++++++++++++++++++++-------------------
>  1 file changed, 24 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
> index ee41088c5251..df997b330ee4 100644
> --- a/drivers/net/usb/r8152.c
> +++ b/drivers/net/usb/r8152.c
> @@ -718,6 +718,7 @@ enum spd_duplex {
>  #define AD_MASK			0xfee0
>  #define BND_MASK		0x0004
>  #define BD_MASK			0x0001
> +#define BL_MASK                 BIT(3)

Just to be sure, this is defined by Realtek? This is not just Lenovo
just misusing a reserved bit?

     Andrew

  parent reply	other threads:[~2022-01-27 14:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-27 10:01 [PATCH] net: usb: r8152: Add MAC passthrough support for RTL8153BL Aaron Ma
2022-01-27 10:10 ` Greg KH
2022-01-27 10:14   ` Aaron Ma
2022-01-27 11:07 ` Hayes Wang
2022-01-28  4:20   ` Aaron Ma
2022-01-27 14:19 ` Andrew Lunn [this message]
2022-01-28  4:19   ` Aaron Ma
2022-01-28  4:32 ` [PATCH v3] " Aaron Ma
2022-01-28  8:21   ` Henning Schild
2022-01-28 18:06     ` Andrew Lunn
2022-01-28 18:41       ` Limonciello, Mario
2022-01-28 20:20         ` Henning Schild
2022-01-28 20:29           ` Limonciello, Mario
2022-01-28 21:07             ` Henning Schild
2022-02-08  7:15         ` Hayes Wang

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