From: Andrew Lunn <andrew@lunn.ch>
To: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH net-next] net: phy: at803x: simplify custom phy id matching
Date: Tue, 20 Jul 2021 16:16:15 +0200 [thread overview]
Message-ID: <YPbar746WVjp9emp@lunn.ch> (raw)
In-Reply-To: <E1m5psb-0003qh-VP@rmk-PC.armlinux.org.uk>
On Tue, Jul 20, 2021 at 02:33:49PM +0100, Russell King wrote:
> The at803x driver contains a function, at803x_match_phy_id(), which
> tests whether the PHY ID matches the value passed, comparing phy_id
> with phydev->phy_id and testing all bits that in the driver's mask.
>
> This is the same test that is used to match the driver, with phy_id
> replaced with the driver specified ID, phydev->drv->phy_id.
>
> Hence, we already know the value of the bits being tested if we look
> at phydev->drv->phy_id directly, and we do not require a complicated
> test to check them. Test directly against phydev->drv->phy_id instead.
>
> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2021-07-20 14:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-20 13:33 [PATCH net-next] net: phy: at803x: simplify custom phy id matching Russell King
2021-07-20 13:44 ` Fabio Estevam
2021-07-20 14:16 ` Andrew Lunn [this message]
2021-07-20 14:30 ` patchwork-bot+netdevbpf
2021-07-20 18:40 ` kernel test robot
2021-07-21 10:22 ` Marc Kleine-Budde
2021-07-21 10:25 ` Russell King (Oracle)
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