netdev - Re: [PATCH net-next 2/4] net: dsa: ks8995: Add proper RESET delay

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Message-ID: <6106f356-0849-48b7-91b7-b3eaf0b8c6d9@lunn.ch>
Date: Sat, 16 Aug 2025 01:12:56 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/4] net: dsa: ks8995: Add proper RESET delay

On Wed, Aug 13, 2025 at 11:43:04PM +0200, Linus Walleij wrote:
> According to the datasheet we need to wait 100us before accessing
> any registers in the KS8995 after a reset de-assertion.
> 
> Add this delay, if and only if we obtained a GPIO descriptor,
> otherwise it is just a pointless delay.
> 
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

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

    Andrew