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From: Andrew Lunn <andrew@lunn.ch>
To: Francesco Dolcini <francesco.dolcini@toradex.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	philippe.schenker@toradex.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2] net: phy: micrel: ksz9131 led errata workaround
Date: Thu, 7 Oct 2021 19:50:54 +0200	[thread overview]
Message-ID: <YV8zfj3UUyq2WRPF@lunn.ch> (raw)
In-Reply-To: <20211007164535.657245-1-francesco.dolcini@toradex.com>

On Thu, Oct 07, 2021 at 06:45:35PM +0200, Francesco Dolcini wrote:
> Micrel KSZ9131 PHY LED behavior is not correct when configured in
> Individual Mode, LED1 (Activity LED) is in the ON state when there is
> no-link.
> 
> Workaround this by setting bit 9 of register 0x1e after verifying that
> the LED configuration is Individual Mode.
> 
> This issue is described in KSZ9131RNX Silicon Errata DS80000693B [*]
> and according to that it will not be corrected in a future silicon
> revision.
> 
> [*] https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ9131RNX-Silicon-Errata-and-Data-Sheet-Clarification-80000863B.pdf
> 
> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>

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

    Andrew

  parent reply	other threads:[~2021-10-07 17:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-07 16:45 [PATCH net-next v2] net: phy: micrel: ksz9131 led errata workaround Francesco Dolcini
2021-10-07 17:08 ` Philippe Schenker
2021-10-07 17:50 ` Andrew Lunn [this message]
2021-10-08 16:30 ` patchwork-bot+netdevbpf

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