linux-kernel - Re: [PATCH net-next v4 1/8] net: dsa: microchip: Add support for KSZ8463 global irq

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Message-ID: <30d79989-749a-4d4b-993a-18f3e0bc786c@bootlin.com>
Date: Tue, 27 Jan 2026 20:42:49 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: "Bastien Curutchet (Schneider Electric)" <bastien.curutchet@...tlin.com>,
 Woojung Huh <woojung.huh@...rochip.com>, UNGLinuxDriver@...rochip.com,
 Andrew Lunn <andrew@...n.ch>, 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>,
 Richard Cochran <richardcochran@...il.com>, Simon Horman <horms@...nel.org>
Cc: Pascal Eberhard <pascal.eberhard@...com>,
 Miquèl Raynal <miquel.raynal@...tlin.com>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v4 1/8] net: dsa: microchip: Add support for
 KSZ8463 global irq

Hi,

On 27/01/2026 10:06, Bastien Curutchet (Schneider Electric) wrote:
> KSZ8463's interrupt scheme differs from the others KSZ swicthes. Its
> global interrupt handling is done through an 'enable irq' register
> instead of a 'mask irq' one, so the bit logic to enable/disable
> interrupt is reversed. Also its interrupts registers are 16-bits
> registers and don't have the same address.
> 
> Add ksz8463-specific global interrupt setup function that still relies
> on the ksz_irq_common_setup().
> Add a check on the device type in the irq_chip operations to adjust the
> bit logic for KSZ8463
> 
> Signed-off-by: Bastien Curutchet (Schneider Electric) <bastien.curutchet@...tlin.com>

Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>

Maxime