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Date: Tue, 12 Mar 2024 02:03:21 +0100
From: Andrew Lunn <andrew@lunn.ch>
To: Justin Swartz <justin.swartz@risingedge.co.za>
Cc: =?utf-8?B?QXLEsW7DpyDDnE5BTA==?= <arinc.unal@arinc9.com>,
	Daniel Golle <daniel@makrotopia.org>,
	DENG Qingfang <dqfext@gmail.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] net: dsa: mt7530: disable LEDs before reset
Message-ID: <0793ba6a-6cc9-4764-a2eb-f2766d860315@lunn.ch>
References: <20240305043952.21590-1-justin.swartz@risingedge.co.za>
 <6064ba52-2470-4c56-958c-35632187f148@arinc9.com>
 <d45083788db8b0b1ace051adecfe6a3a@risingedge.co.za>
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> (b) When a cable attached to an active peer is connected to
> Port 3 (lan4) before reset, the incorrect crystal frequency
> selection (0b11 = 25MHz) always occurs:
> 
>               [7]      [8]     [10]    [12]
>               :        :       :       :
>               _________         ______________________________________
> ESW_P4_LED_0           |_______|
>               _________         _______
> ESW_P3_LED_0           |_______|       |______________________________
> 
>                         :     : :     :
>                         [9]...: [11]..:
> 
>  [7] Port 4 LED Off. Port 3 LED Off.
>  [8] Signals inverted. (reset_control_assert; reset_control_deassert)
>  [9] Period of 320 usec.
> [10] Signals inverted.
> [11] Period of 300 usec.
> [12] Signals reflect the bootstrapped configuration.

Shame the patch has already been accepted. The text in this email
would of made a cool commit message.

      Andrew