netdev - Re: [PATCH net-next 08/13] net: pcs: xpcs: use FIELD_PREP() and FIELD

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Message-ID: <24e50bd4-05e7-48be-b943-b361f4e73fdf@redhat.com>
Date: Tue, 8 Oct 2024 11:01:04 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Florian Fainelli <f.fainelli@...il.com>, Jakub Kicinski <kuba@...nel.org>,
 Jiawen Wu <jiawenwu@...stnetic.com>, Jose Abreu <joabreu@...opsys.com>,
 Jose Abreu <Jose.Abreu@...opsys.com>, linux-arm-kernel@...ts.infradead.org,
 linux-stm32@...md-mailman.stormreply.com,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Mengyuan Lou <mengyuanlou@...-swift.com>, netdev@...r.kernel.org,
 Vladimir Oltean <olteanv@...il.com>
Subject: Re: [PATCH net-next 08/13] net: pcs: xpcs: use FIELD_PREP() and
 FIELD_GET()

Hi,

On 10/4/24 12:21, Russell King (Oracle) wrote:
> diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
> index 805856cabba1..f55bc180c624 100644
> --- a/drivers/net/pcs/pcs-xpcs.c
> +++ b/drivers/net/pcs/pcs-xpcs.c
> @@ -592,7 +592,8 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable)
>   		ret = DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN |
>   		      DW_VR_MII_EEE_TX_QUIET_EN | DW_VR_MII_EEE_RX_QUIET_EN |
>   		      DW_VR_MII_EEE_TX_EN_CTRL | DW_VR_MII_EEE_RX_EN_CTRL |
> -		      mult_fact_100ns << DW_VR_MII_EEE_MULT_FACT_100NS_SHIFT;
> +		      FIELD_PREP(DW_VR_MII_EEE_MULT_FACT_100NS,
> +				 mult_fact_100ns);
>   	} else {
>   		ret &= ~(DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN |
>   		       DW_VR_MII_EEE_TX_QUIET_EN | DW_VR_MII_EEE_RX_QUIET_EN |

Very minor and non blocking thing: perhaps consider renaming 
DW_VR_MII_EEE_MULT_FACT_100NS to DW_VR_MII_EEE_MULT_FACT_100NS_MASK - 
possibly in a later work?

Cheers,

Paolo