From nobody Tue Apr 7 18:51:33 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 0ABBC355F3C; Thu, 26 Feb 2026 16:42:07 +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=1772124129; cv=none; b=ZvlcxR9oDfMJlo+P6LaTCRD0/1migDyA7Iqq7r2pyviZhYdl5GQQXq03VLLCpGz8eWZpg0hX4gIxRgujO3KHVyd75YAo8ck8/73hKBydCa/FeBLm6CrES6OkEq7VJVEc5sMCRhrOlPERXF7hb4ANkrmw9/G4zQA5Mx36oyE5uyA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772124129; c=relaxed/simple; bh=bmhkM1nrFbTB71JmXDmGfdylw9QH7xPtkU9xK00WPtU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CW9AK6a5VLFREkFbgE4U0UWmbktceTd48BXztyPW04lfTLF2c9MYWYkabiG69rg+MLzGfw7H1rJV2ci6y075VEc/T4B8SkFL+dXJVBN8yZHlfxv1/3JcKD6EJoWDQmdaNOslUVeLaKplbN7qVTtLArz8/C291RPP9XZWrsWTtpQ= 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=PFmAHQHN; 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="PFmAHQHN" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id E2725C4069A; Thu, 26 Feb 2026 16:42:16 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 66AE95FDE9; Thu, 26 Feb 2026 16:42:01 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id D2AA4103693FC; Thu, 26 Feb 2026 17:41:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1772124120; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=4TnwgEqPYIMq06dLVSQrp+AiDYlF+CriWMK5nyoWTro=; b=PFmAHQHNCkR6e+S/woQliJVo+IzWYUgWD7Stqdn4Ac1+9klk/6zPvqmi+8qifbNk4z9Q7e wovPrN5HiBzxvMf+eSh8qYwLf8zZ5xwIufHIrzKh4m/PjUEG1ohhOWjdm08js/uskRPnsj /jw+zHsGBmF9O+CR2Cb7NZc94JT5GmFpzpMMCQ156IMZRiLAtkb5GDjHLZ3+pslzZOLvgp 8uif6VNM6ZgTPC0f+hvnHlW7Qak2Wkvj+kWgi9/izK1HnNHAbK8q2OgirFVjdgEWBmEh7Q ELMe74N5T4nj0UJS555MxK5sa5T5D4gS9xiu23SNZrBZa3lvRxGsZIfy8pCIPA== From: "Bastien Curutchet (Schneider Electric)" Date: Thu, 26 Feb 2026 17:41:49 +0100 Subject: [PATCH net-next v5 2/9] 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: <20260226-ksz8463-ptp-v5-2-1bc24fb9627d@bootlin.com> References: <20260226-ksz8463-ptp-v5-0-1bc24fb9627d@bootlin.com> In-Reply-To: <20260226-ksz8463-ptp-v5-0-1bc24fb9627d@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 2.53.0