linux-kernel - Re: [PATCH] net: stmmac: Add SMC support for EMAC System Manager register

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Message-ID: <0c93846a-48ab-5cde-6d27-291606dd8c31@linux.intel.com>
Date:   Tue, 12 Feb 2019 14:52:34 -0600
From:   Thor Thayer <thor.thayer@...ux.intel.com>
To:     "Ooi, Joyce" <joyce.ooi@...el.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        See Chin Liang <chin.liang.see@...el.com>
Subject: Re: [PATCH] net: stmmac: Add SMC support for EMAC System Manager
 register

Hi Joyce,

On 2/12/19 10:24 AM, Ooi, Joyce wrote:
> As there is restriction to access to EMAC System Manager registers in
> the kernel for Intel Stratix10, the use of SMC calls are required and
> added in dwmac-socfpga driver.
> 
> Signed-off-by: Ooi, Joyce <joyce.ooi@...el.com>

<snip>

I have a pending patchset[1] that addresses this but can be used by 
other drivers as well.

[1] https://patchwork.kernel.org/cover/10612891/