netdev - RE: [RFC PATCH net-next v5 2/9] i2c: designware: Add driver support for Wangxun 10Gb NIC

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Message-ID: <015801d978d9$7683b640$638b22c0$@trustnetic.com>
Date:   Thu, 27 Apr 2023 15:25:37 +0800
From:   Jiawen Wu <jiawenwu@...stnetic.com>
To:     "'Andy Shevchenko'" <andy.shevchenko@...il.com>
Cc:     <netdev@...r.kernel.org>, <jarkko.nikula@...ux.intel.com>,
        <andriy.shevchenko@...ux.intel.com>,
        <mika.westerberg@...ux.intel.com>, <jsd@...ihalf.com>,
        <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
        <linux-i2c@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <mengyuanlou@...-swift.com>
Subject: RE: [RFC PATCH net-next v5 2/9] i2c: designware: Add driver support for Wangxun 10Gb NIC

> You can share a common data structure between the mother driver and
> her children. In that case you may access it via
> `dev_get_drvdata(pdev.dev->parent)` call.
> 

Unfortunately, the driver data already stores the private structure of the
adapter, so no more data can be stored.