From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 580865328A9; Thu, 1 Oct 2026 16:14:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790871244; cv=none; b=TLKRaO/0YSw+vu/qE69uIX4VZJcbicyoSrlTYLE7Jawos+9m7Pru9REe5n1K/kqY2XGEGqYMlyOMFQa5y9YBAePCsD27ivszZGl0MdYZBgtk4gJyc0wYwqA4WWHk2KzuwB4NlerQJYOyA786QNrTONyv62ew+Edl4VX4OWme8Ng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790871244; c=relaxed/simple; bh=GEJlmDjet5Wvlg1XrscE3PhMaSO6snNiTUmWty0CtYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uJboKhJS5Z933R5FdZlcWNdDfFImqy3q+1rwjJVbcLB8gVe/5tDQItBJmVNM/t+MBoofG4vP+CQV8f8PTNsLP9TIkvUJojxrvLzEtmFq582aZQjm2JWds8gmmLl4gA3+Kyv3wrF89mPq9pi51OUXEhMNqVmEliGRd1C8rbZEIZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=adMbjfY/; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="adMbjfY/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44D7C1F00898; Thu, 1 Oct 2026 16:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790871243; bh=PGIJKLAd9BQoYJjzJGnQWdvjdffH0nJ8G9xyOPufKZ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=adMbjfY/5ytseUCXA1p/JZqvrsGHOkzCrHlMQjGoa6vqjgyrdcr74ax12lY2wPseU VNQA9qk/29CjNocydoLIKScuHs6hJo4OAllftlHSCXLZgD7fiRUc0AnDv1Cqz+4mVH twzipoiJgLMIXgfEA6u1UlnRIEXu7QumT1YIV0qPZZyqUwhcq23JISSCIpobNjgJtM dmUH+eseL9SMtIHMFJ3wxY8H4u8FY5tfupKmizS3IOmZQmrVywyXQIu3BQCGb3I79e w2HFZ8K+g3TlufIO+OJWBrxoO3XkiLz1Jjgo04HPLZqV2mqFyx84Jx+KuRSU/eLplI UbRwqGuV1FoFg== From: Imre Kaloz To: Thomas Bogendoerfer Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 22/38] MIPS: SGI-IP27: recognize the PXBow crossbar Date: Thu, 1 Oct 2026 18:11:57 +0200 Message-ID: X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit A Tezro's crossbar is a PXBow, widget part number 0xd100. Without recognizing it, xtalk_probe_node() logs the widget as unknown and never calls xbow_probe(), leaving every IO widget behind it unenumerated. Signed-off-by: Imre Kaloz --- arch/mips/include/asm/xtalk/xwidget.h | 7 +++++++ arch/mips/sgi-ip27/ip27-xtalk.c | 2 ++ 2 files changed, 9 insertions(+) diff --git a/arch/mips/include/asm/xtalk/xwidget.h b/arch/mips/include/asm/xtalk/xwidget.h index 978877e8a090..6a98e87b4711 100644 --- a/arch/mips/include/asm/xtalk/xwidget.h +++ b/arch/mips/include/asm/xtalk/xwidget.h @@ -109,6 +109,7 @@ #define WIDGET_BDRCK_PART_NUM 0xc110 #define WIDGET_TPU_PART_NUM 0xc202 #define WIDGET_XXBOW_PART_NUM 0xd000 +#define WIDGET_PXBOW_PART_NUM 0xd100 #define WIDGET_XBRDG_PART_NUM 0xd002 #define WIDGET_NULL_PART_NUM -1 @@ -183,6 +184,12 @@ static const struct widget_ident widget_idents[] __initconst __maybe_unused = { "xxbow", {NULL, "1.0", "2.0", NULL}, }, + { + WIDGET_XXBOW_MFGR_NUM, + WIDGET_PXBOW_PART_NUM, + "pxbow", + {NULL, "1.0", NULL}, + }, { WIDGET_XBRDG_MFGR_NUM, WIDGET_XBRDG_PART_NUM, diff --git a/arch/mips/sgi-ip27/ip27-xtalk.c b/arch/mips/sgi-ip27/ip27-xtalk.c index bd2ac24452f5..105977316391 100644 --- a/arch/mips/sgi-ip27/ip27-xtalk.c +++ b/arch/mips/sgi-ip27/ip27-xtalk.c @@ -21,6 +21,7 @@ #define XBOW_WIDGET_PART_NUM 0x0 #define XXBOW_WIDGET_PART_NUM 0xd000 /* Xbow in Xbridge */ +#define PXBOW_WIDGET_PART_NUM 0xd100 /* PXbow */ #define BASE_XBOW_PORT 8 /* Lowest external port */ enum xtalk_bridge_type { @@ -241,6 +242,7 @@ static void xtalk_probe_node(nasid_t nasid) break; case XBOW_WIDGET_PART_NUM: case XXBOW_WIDGET_PART_NUM: + case PXBOW_WIDGET_PART_NUM: pr_info("xtalk:n%d/0 xbow widget\n", nasid); xbow_probe(nasid); break; -- 2.47.3