linux-kernel - Re: [PATCH net] net: stmmac: dwmac-qcom-ethqos: fix a regression on EMAC

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Message-ID: <ZH2JfDee+01/cajH@matsya>
Date:   Mon, 5 Jun 2023 12:36:36 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Andrew Halaney <ahalaney@...hat.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH net] net: stmmac: dwmac-qcom-ethqos: fix a regression on
 EMAC < 3

On 02-06-23, 21:04, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> We must not assign plat_dat->dwmac4_addrs unconditionally as for
> structures which don't set them, this will result in the core driver
> using zeroes everywhere and breaking the driver for older HW. On EMAC < 2
> the address should remain NULL.

Reviewed-by: Vinod Koul <vkoul@...nel.org>

-- 
~Vinod