From nobody Mon Feb 9 17:34:58 2026 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E7413033CD for ; Thu, 22 Jan 2026 13:27:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769088468; cv=none; b=kqAJyh5uswVzpIOYEnj0AVADYnzXG3t+lPMJ6fLtFWSS4eSRfV2LsRSRwM6hff4G5zJo1cyXv0y/OH5VTE37rbOGtk14n+ufYLChHdOIggbVAaKZosRIcaz2IvPHcFoshNEknfeEhTsrQhl+AicAdwsSWtyGcEsfetc92PTheso= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769088468; c=relaxed/simple; bh=Mq588nrNPw+uc5oepjcOMjmGegEoAI+0BQA2zqK9rvc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TbDokwJY014E8xXTtN4EvtrRjdmjGDWha5wU/V0CAXLt2kUs+8hLg9m+wM/AvTL49q+Y9AcG8+cqMFhUAQYN6QnfF7+hYMNIVvETLdooRmFKbd5KvW7Wr243bLo4CX43VgKR+3Z50qh19T3pd97rF7avKwr4FZ0qvnEshvYJErM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=f9dPqI5/; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="f9dPqI5/" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id CE211C21AA5; Thu, 22 Jan 2026 13:27:44 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 09244606B6; Thu, 22 Jan 2026 13:27:45 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 12C53119B8048; Thu, 22 Jan 2026 14:27:42 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1769088464; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=msjsmNWxtn13jWdt/GBOpxERpRumsKymvRVrflpMg/g=; b=f9dPqI5/wxvMfe/vpf3D4gFN6zcEJ6HqZK/+NZ+SfEXtt55ozHFzZ9QdA+3AmUMKUnHSjx syfjLwZ186SBGLQBmV8tDVL2kpOUQYBm1ZDmHJsdmak6RfVOGxmwqiVGK54gXRmH9YvNWY Ht/Z5mZkKAdGRsHRiz9ouYTUeoOpouhtkj9RIxbhImDnsCbGirBKh460HQB4n2lklOqkAD JzuDJZL/Vqhj10hP5mUW6u3wF0TOxyYBA6ORp63e+q46vJF9jl1GNfRoCRwXAni255NiUj mvzjg0OCxtLrQfNJUPzJTnhcHRr2ftUlb0mdcybyWmxXSXg+LkhCwii7wRuHnA== From: "Bastien Curutchet (Schneider Electric)" Date: Thu, 22 Jan 2026 14:27:36 +0100 Subject: [PATCH net-next v2 2/8] net: dsa: microchip: Decorrelate IRQ domain from port Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260122-ksz8463-ptp-v2-2-b6683f5ce50b@bootlin.com> References: <20260122-ksz8463-ptp-v2-0-b6683f5ce50b@bootlin.com> In-Reply-To: <20260122-ksz8463-ptp-v2-0-b6683f5ce50b@bootlin.com> To: Woojung Huh , UNGLinuxDriver@microchip.com, Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Richard Cochran , Simon Horman Cc: Pascal Eberhard , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Thomas Petazzoni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Bastien Curutchet (Schneider Electric)" X-Mailer: b4 0.14.2 X-Last-TLS-Session-Version: TLSv1.3 KSZ8463 has one register holding interrupt bits from both port 1 and 2. So it has to use one IRQ domain for both of its ports. This conflicts with the current initialization procedure that ties one IRQ domain to each port. Decorrelate IRQ domain from port so a port can use an IRQ domain not directly related to itself. Signed-off-by: Bastien Curutchet (Schneider Electric) --- drivers/net/dsa/microchip/ksz_ptp.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchi= p/ksz_ptp.c index 4a2cc57a628f97bd51fcb11057bc4effda9205dd..3b0dddf918595e9318c9e977903= 5d5152dcd9dde 100644 --- a/drivers/net/dsa/microchip/ksz_ptp.c +++ b/drivers/net/dsa/microchip/ksz_ptp.c @@ -1099,18 +1099,17 @@ static void ksz_ptp_msg_irq_free(struct ksz_port *p= ort, u8 n) irq_dispose_mapping(ptpmsg_irq->num); } =20 -static int ksz_ptp_msg_irq_setup(struct ksz_port *port, u8 n) +static int ksz_ptp_msg_irq_setup(struct irq_domain *domain, struct ksz_por= t *port, u8 n) { u16 ts_reg[] =3D {REG_PTP_PORT_PDRESP_TS, REG_PTP_PORT_XDELAY_TS, REG_PTP_PORT_SYNC_TS}; static const char * const name[] =3D {"pdresp-msg", "xdreq-msg", "sync-msg"}; const struct ksz_dev_ops *ops =3D port->ksz_dev->dev_ops; - struct ksz_irq *ptpirq =3D &port->ptpirq; struct ksz_ptp_irq *ptpmsg_irq; =20 ptpmsg_irq =3D &port->ptpmsg_irq[n]; - ptpmsg_irq->num =3D irq_create_mapping(ptpirq->domain, n); + ptpmsg_irq->num =3D irq_create_mapping(domain, n); if (!ptpmsg_irq->num) return -EINVAL; =20 @@ -1162,7 +1161,7 @@ int ksz_ptp_irq_setup(struct dsa_switch *ds, u8 p) goto out; =20 for (irq =3D 0; irq < ptpirq->nirqs; irq++) { - ret =3D ksz_ptp_msg_irq_setup(port, irq); + ret =3D ksz_ptp_msg_irq_setup(ptpirq->domain, port, irq); if (ret) goto out_ptp_msg; } --=20 2.52.0