Re: [PATCH] net: dsa: mt7530: disable LEDs before reset

From: Andrew Lunn
Date: Mon Mar 11 2024 - 21:03:25 EST


> (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