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From: "Marek Behún" <kabel@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: Andrew Lunn <andrew@lunn.ch>,
	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>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] net: phy: marvell: fix detection of PHY on Topaz switches
Date: Tue, 13 Apr 2021 01:25:06 +0200	[thread overview]
Message-ID: <20210413012507.355bc809@thinkpad> (raw)
In-Reply-To: <20210412165739.27277-1-pali@kernel.org>

> +	/* Some internal PHYs don't have a model number. */
> +	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
> +	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
> +		prod_id = family_prod_id_table[chip->info->family];
> +		if (prod_id)
> +			val |= prod_id >> 4;

Isn't if(prod_id) check redundant here? If prod_id is 0, the |=
statement won't do anything.

Marek

      parent reply	other threads:[~2021-04-12 23:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-12 12:14 [PATCH] net: phy: marvell: fix detection of PHY on Topaz switches Pali Rohár
2021-04-12 13:15 ` Andrew Lunn
2021-04-12 13:34   ` Pali Rohár
2021-04-12 14:30     ` Andrew Lunn
2021-04-12 14:39       ` Pali Rohár
2021-04-12 14:44     ` Andrew Lunn
2021-04-12 15:01       ` Pali Rohár
2021-04-12 15:32         ` Andrew Lunn
2021-04-12 15:52           ` Pali Rohár
2021-04-12 16:12             ` Andrew Lunn
2021-04-12 16:38               ` Pali Rohár
2021-04-12 23:45                 ` Marek Behún
2021-04-12 16:57 ` [PATCH v2] " Pali Rohár
2021-04-12 17:44   ` Andrew Lunn
2021-04-12 21:30   ` patchwork-bot+netdevbpf
2021-04-12 23:25   ` Marek Behún [this message]

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