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From: Andrew Lunn <andrew@lunn.ch>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mips@vger.kernel.org
Subject: Re: [PATCH net-next v1 3/9] net: dsa: qca: ar9331: reorder MDIO write sequence
Date: Sat, 3 Apr 2021 16:55:47 +0200	[thread overview]
Message-ID: <YGiB88Z7zc2h+e6u@lunn.ch> (raw)
In-Reply-To: <20210403114848.30528-4-o.rempel@pengutronix.de>

Hi Oleksij

Maybe add a short comment about why the order is important.

> -	ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
> +	ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
> +				  val >> 16);
>  	if (ret < 0)
>  		goto error;
>  
> -	ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
> -				  val >> 16);
> +	ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
>  	if (ret < 0)
>  		goto error;
>  
>  	return 0;
> +
>  error:
>  	dev_err_ratelimited(&sbus->dev, "Bus error. Failed to write register.\n");
>  	return ret;

With that:

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew





> -- 
> 2.29.2
> 

  reply	other threads:[~2021-04-03 14:56 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-03 11:48 [PATCH net-next v1 0/9] ar9331: mainline some parts of switch functionality Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 1/9] net: dsa: add rcv_post call back Oleksij Rempel
2021-04-03 14:05   ` Vladimir Oltean
2021-04-03 23:21     ` Vladimir Oltean
2021-04-04  2:32       ` Florian Fainelli
2021-04-04  5:49       ` Oleksij Rempel
2021-04-04 12:54         ` Vladimir Oltean
2021-04-03 11:48 ` [PATCH net-next v1 2/9] net: dsa: tag_ar9331: detect IGMP and MLD packets Oleksij Rempel
2021-04-03 13:03   ` Vladimir Oltean
2021-04-03 13:26     ` Oleksij Rempel
2021-04-03 13:46       ` Vladimir Oltean
2021-04-03 15:22         ` Oleksij Rempel
2021-04-03 16:38           ` Vladimir Oltean
2021-04-03 14:49   ` Andrew Lunn
2021-04-03 17:14     ` Oleksij Rempel
2021-04-04  0:02       ` Vladimir Oltean
2021-04-04  5:35         ` Oleksij Rempel
2021-04-04 12:58           ` Vladimir Oltean
2021-04-03 11:48 ` [PATCH net-next v1 3/9] net: dsa: qca: ar9331: reorder MDIO write sequence Oleksij Rempel
2021-04-03 14:55   ` Andrew Lunn [this message]
2021-04-04  2:17   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 4/9] net: dsa: qca: ar9331: make proper initial port defaults Oleksij Rempel
2021-04-03 15:08   ` Andrew Lunn
2021-04-04  0:16   ` Vladimir Oltean
2021-04-04  6:04     ` Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 5/9] net: dsa: qca: ar9331: add forwarding database support Oleksij Rempel
2021-04-03 14:20   ` kernel test robot
2021-04-03 14:20     ` kernel test robot
2021-04-03 15:25   ` Andrew Lunn
2021-04-03 23:48     ` Vladimir Oltean
2021-04-04  0:46       ` Andrew Lunn
2021-04-03 11:48 ` [PATCH net-next v1 6/9] net: dsa: qca: ar9331: add ageing time support Oleksij Rempel
2021-04-03 15:26   ` Andrew Lunn
2021-04-04  2:20   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 7/9] net: dsa: qca: ar9331: add bridge support Oleksij Rempel
2021-04-03 15:31   ` Andrew Lunn
2021-04-04  2:26   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 8/9] net: dsa: qca: ar9331: add STP support Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 9/9] net: dsa: qca: ar9331: add vlan support Oleksij Rempel
2021-04-04  0:36   ` Vladimir Oltean

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