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 93C59522EF3; Tue, 13 Oct 2026 13:19:25 +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=1791897566; cv=none; b=Gm9op5Lgp6mURschcO/nmwUjk2wOJYTVu3XU/FRYS8ZLyEG1084OvIYLQhz/LtfqfgvBVqYBN+I+0hVMQK0pI3asOCdnZu3leYzCwnP4YpFV6lxPsfRu5ceegD/p4F8HXWW1jJQpca+Y64d1csIPGPxSHvLmS83Tf9jr+sM93mo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791897566; c=relaxed/simple; bh=GEJlmDjet5Wvlg1XrscE3PhMaSO6snNiTUmWty0CtYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bkG9dfb0hRqfVFnrMwwACE4X6c8vL2TcrSFTc7OKxW7e2wyqIq+HO5B9SwhGqBwTcxtqJhWorzKZpbN1g18ZSUhY+yBDVS6nyrn01sfnhC6+4J1whP1u3NfBAmmeja9XeXYNxedJMJQUBEgbajSdtkTsP1Nhv31Q/dP1CJ6WjiQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MQeWaq97; 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="MQeWaq97" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 129651F00898; Tue, 13 Oct 2026 13:19:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791897565; bh=PGIJKLAd9BQoYJjzJGnQWdvjdffH0nJ8G9xyOPufKZ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=MQeWaq97zb1J1HUUCWIduYNXs98Zm2LK/WTQhQlB8bBzlp3nhJh5GbaLtycoqoeyQ OR7vLs4fKkqcn60adrFNf0jd0zT7HD0VH+80N9Jh9OOfo523mNoG0lLTyEdufohdBj DUflUwdfDsf/8AkhcEhbV+2QnT2p5Ab3UnUYEfpXFLeABbxwR7l50Co01rXFc4Y5zs DzN/QbMm1NbgkYJc2JuqqjrmFTuUAFetRbsQa1Pxr7ROu5rxOGAjS4vGJRgDivoQeO 9uo4JzWvn0jieda8TUtW5p8Eh+d64PVVh+y8ND/G8q4pxcv2e0Dd96wBs1ahSHZGoM K5CSlXR0/wtfA== From: Imre Kaloz To: Thomas Bogendoerfer Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Lee Jones Subject: [PATCH v2 27/53] MIPS: SGI-IP27: recognize the PXBow crossbar Date: Tue, 13 Oct 2026 15:16:47 +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