linux-kernel - Re: [PATCH net-next 1/1] net: stmmac: enable platform specific safety features

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Message-ID: <20210601225332.GA28151@linux.intel.com>
Date:   Wed, 2 Jun 2021 06:53:32 +0800
From:   Wong Vee Khee <vee.khee.wong@...ux.intel.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/1] net: stmmac: enable platform specific
 safety features

On Wed, Jun 02, 2021 at 12:11:57AM +0200, Andrew Lunn wrote:
> On Tue, Jun 01, 2021 at 09:52:35PM +0800, Wong Vee Khee wrote:
> > On Intel platforms, not all safety features are enabled on the hardware.
> 
> Is it possible to read a register is determine what safety features
> have been synthesised?
>

No. The value of these registers after reset are 0x0. We need to set it
manually.

VK