linux-kernel - RE: [PATCH] firmware: stratix10-svc: extend SVC driver to get the firmware version

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Date:   Tue, 30 Mar 2021 14:19:02 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     "'richard.gong@...ux.intel.com'" <richard.gong@...ux.intel.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:     "mdf@...nel.org" <mdf@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Richard Gong <richard.gong@...el.com>
Subject: RE: [PATCH] firmware: stratix10-svc: extend SVC driver to get the
 firmware version

From: richard.gong@...ux.intel.com
> Sent: 30 March 2021 15:33
> 
> Extend Intel service layer driver to get the firmware version running at
> FPGA device. Therefore FPGA manager driver, one of Intel service layer
> driver's client, can decide whether to handle the newly added bitstream
> authentication function based on the retrieved firmware version.

Using the version number to detect features is just plain wrong.

You should use something like a bitmap of supported features.

	David

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