linux-kernel - Re: [PATCH 2/8] net: ethernet: stmmac: update to support all PHY config for stm32mp157c.

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Message-ID: <02cd7773-899f-b28a-ff61-849b17cbe82d@st.com>
Date:   Thu, 14 Feb 2019 15:00:48 +0000
From:   Christophe ROULLIER <christophe.roullier@...com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "robh@...nel.org" <robh@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "joabreu@...opsys.com" <joabreu@...opsys.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Peppe CAVALLARO <peppe.cavallaro@...com>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 2/8] net: ethernet: stmmac: update to support all PHY
 config for stm32mp157c.

On 2/14/19 2:40 PM, Andrew Lunn wrote:
>   On Thu, Feb 14, 2019 at 07:45:57AM +0100, Christophe Roullier wrote:
>> @@ -131,19 +185,19 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
>>   	case PHY_INTERFACE_MODE_RGMII:
>>   		val = SYSCFG_PMCR_ETH_SEL_RGMII;
>> -		if (dwmac->int_phyclk)
>> +		if (dwmac->eth_clk_sel_reg)
>>   			val |= SYSCFG_PMCR_ETH_CLK_SEL;
>>   		pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RGMII\n");
>>   		break;
> 
> Hi Christophe
> 
> This code should handle all 4 PHY_INTERFACE_MODE_RGMII* values.
> 
>       Andrew
> 


ReReHi Andrew,

Sorry, I've misunderstood your question ;-)

And you spoke about :

case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:

So in my setup I've only RGMII interface, so I've never tested 3 others 
interfaces (_ID, _RXID, _TXID).

So do I need to add cases in my driver ?

Thanks

Christophe