linux-kernel - Re: [PATCH net-next v5 2/9] net: stmmac: xgmac: add more feature parsing from hw cap

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Message-ID: <ytrtxlidqp4blp5gfrgnnirtosjes7mcjkbdvcm7lmvnpkm7ut@e5tuy3bx2cd5>
Date:   Fri, 18 Aug 2023 19:25:19 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next v5 2/9] net: stmmac: xgmac: add more feature
 parsing from hw cap

On Fri, Aug 18, 2023 at 12:57:42AM +0800, Jisheng Zhang wrote:
> The XGMAC_HWFEAT_GMIISEL bit also indicates whether support 10/100Mbps
> or not.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> Acked-by: Alexandre TORGUE <alexandre.torgue@...s.st.com>

Reviewed-by: Serge Semin <fancer.lancer@...il.com>

-Serge(y)

> ---
>  drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
> index 3aacf791efeb..1ef8fc132c2d 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
> @@ -410,6 +410,7 @@ static int dwxgmac2_get_hw_feature(void __iomem *ioaddr,
>  	dma_cap->vlhash = (hw_cap & XGMAC_HWFEAT_VLHASH) >> 4;
>  	dma_cap->half_duplex = (hw_cap & XGMAC_HWFEAT_HDSEL) >> 3;
>  	dma_cap->mbps_1000 = (hw_cap & XGMAC_HWFEAT_GMIISEL) >> 1;
> +	dma_cap->mbps_10_100 = (hw_cap & XGMAC_HWFEAT_GMIISEL) >> 1;
>  
>  	/* MAC HW feature 1 */
>  	hw_cap = readl(ioaddr + XGMAC_HW_FEATURE1);
> -- 
> 2.40.1
> 
>