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From: Andrew Lunn <andrew@lunn.ch>
To: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>
Cc: netdev@vger.kernel.org, olteanv@gmail.com, robh+dt@kernel.org,
	UNGLinuxDriver@microchip.com, hkallweit1@gmail.com,
	linux@armlinux.org.uk, davem@davemloft.net, kuba@kernel.org,
	linux-kernel@vger.kernel.org, vivien.didelot@gmail.com,
	f.fainelli@gmail.com, devicetree@vger.kernel.org
Subject: Re: [PATCH v2 net-next 4/9] net: dsa: microchip: add DSA support for microchip lan937x
Date: Fri, 23 Apr 2021 01:32:53 +0200	[thread overview]
Message-ID: <YIIHpfW4nF/H/GJe@lunn.ch> (raw)
In-Reply-To: <20210422094257.1641396-5-prasanna.vengateshan@microchip.com>

> +static void lan937x_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
> +			      u64 *cnt)
> +{
> +	unsigned int val;
> +	u32 data;
> +	int ret;
> +
> +	/* Enable MIB Counter read*/
> +	data = MIB_COUNTER_READ;
> +	data |= (addr << MIB_COUNTER_INDEX_S);
> +	lan937x_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, data);
> +
> +	ret = regmap_read_poll_timeout(dev->regmap[2],
> +				       PORT_CTRL_ADDR(port,
> +						      REG_PORT_MIB_CTRL_STAT__4),
> +					   val, !(val & MIB_COUNTER_READ), 10, 1000);
> +	/* failed to read MIB. get out of loop */

Another loop which is not a loop. Please review your comments and
check they make sense.

      Andrew

  parent reply	other threads:[~2021-04-22 23:32 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-22  9:42 [PATCH v2 net-next 0/9] net: dsa: microchip: DSA driver support for LAN937x switch Prasanna Vengateshan
2021-04-22  9:42 ` [PATCH v2 net-next 1/9] dt-bindings: net: dsa: dt bindings for microchip lan937x Prasanna Vengateshan
2021-04-22 15:30   ` Rob Herring
2021-04-22 17:38   ` Rob Herring
2021-04-26  4:05     ` Prasanna Vengateshan
2021-04-26 16:04       ` Florian Fainelli
2021-04-22  9:42 ` [PATCH v2 net-next 2/9] net: phy: Add support for LAN937x T1 phy driver Prasanna Vengateshan
2021-04-22 12:45   ` Andrew Lunn
2021-04-26  4:06     ` Prasanna Vengateshan
2021-04-22  9:42 ` [PATCH v2 net-next 3/9] net: dsa: tag_ksz: add tag handling for Microchip LAN937x Prasanna Vengateshan
2021-04-22 19:18   ` Vladimir Oltean
2021-04-26  4:33     ` Prasanna Vengateshan
2021-04-26 12:27       ` Andrew Lunn
2021-04-22  9:42 ` [PATCH v2 net-next 4/9] net: dsa: microchip: add DSA support for microchip lan937x Prasanna Vengateshan
2021-04-22 19:59   ` Vladimir Oltean
2021-04-22 23:28     ` Andrew Lunn
2021-04-26  8:54       ` Prasanna Vengateshan
2021-04-26 12:34         ` Andrew Lunn
2021-04-27  7:43     ` Prasanna Vengateshan
2021-04-22 23:32   ` Andrew Lunn [this message]
2021-04-22 23:38   ` Andrew Lunn
2021-04-22 23:43   ` Andrew Lunn
2021-04-22  9:42 ` [PATCH v2 net-next 5/9] net: dsa: microchip: add support for phylink management Prasanna Vengateshan
2021-04-22 20:05   ` Vladimir Oltean
2021-04-22  9:42 ` [PATCH v2 net-next 6/9] net: dsa: microchip: add support for ethtool port counters Prasanna Vengateshan
2021-04-22  9:42 ` [PATCH v2 net-next 7/9] net: dsa: microchip: add support for port mirror operations Prasanna Vengateshan
2021-04-22 20:11   ` Vladimir Oltean
2021-04-22  9:42 ` [PATCH v2 net-next 8/9] net: dsa: microchip: add support for fdb and mdb management Prasanna Vengateshan
2021-04-22  9:42 ` [PATCH v2 net-next 9/9] net: dsa: microchip: add support for vlan operations Prasanna Vengateshan
2021-04-22 19:03   ` Vladimir Oltean
2021-05-06 14:51     ` Prasanna Vengateshan

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