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 156B341A554; Thu, 1 Oct 2026 16:13:55 +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=1790871236; cv=none; b=hWMVAGa1VKLnoYHPQujqlEdpN7gDE9LgHrUKwKc1KVBODqe/bSC56vcI3L2EGJlOUR0oAkyC98ywlSm+ao7W4lkglq4s1cLKWh5hHTtNk2LwXPoaROAH9wZyqgCTnpdvqUhk246CZofTnQb89qy8LxlL7Uee7cjku30PJ+Rgta4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790871236; c=relaxed/simple; bh=GCPE44EIJgQTt+9YZiFhAUObC+Q06Gef6UQXFVc/4xA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uq7IbR/9ODUdBVA2Teq5MpkrlmlFU+mMrz3qtPZrkMQyPL8q7Y2Mm/JFObFCwZAcjQ68RUx9XQcFq229qurxxsHfKVVv7NKY/MK7bFp4h7DnrVuXpjaSlyNCZT05Fu41Gy/IhgjwOBn/yDibz5axliHnm7PHyLMGrb6Wjl9NtyQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GMWUIeJA; 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="GMWUIeJA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEBC11F00898; Thu, 1 Oct 2026 16:13:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790871235; bh=BpCFtZoKTHp4MPfg5OGXtFlHMY/a9jfgFmzxIFEokDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=GMWUIeJA9+eMR9mtUGWLhQRxslbDyLNK/xnR0c1IVw6QVehcczrM+CRda2UMLCshn Q80P6pTIefeHBi3luzhs+o2lmD3hFiQPnp/T9bebqgCsp4iU0xmvMV/v2RrOxkzx97 OiEj+iROsC3nUVu1elzQVh+D/egYd05jAdxmpx8YwoU7AfWU5OtXR2IEzhzqexdb4/ 1cDbHNG2CTK2+PfzdaKyMTDAGrFT5jWUypWp+xEwmHOYDADVvN98MZWJd1bbcUkMya 8Jcm5kpSH6/GOQlwmnk5J57NLDA4k0c80jQH7OUqLDqMtMczZYcdfJ015xzpwuo4Q/ Q5btHpH4aJBHA== From: Imre Kaloz To: Thomas Bogendoerfer Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 18/38] MIPS: SGI-IP27: xbow_probe(): recognize KLTYPE_PBRICK_XBOW Date: Thu, 1 Oct 2026 18:11:53 +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 An IP35-family chassis records its crossbar board as KLTYPE_PBRICK_XBOW rather than the KLTYPE_MIDPLANE8 an Origin 200/2000 midplane carries, so xbow_probe() found no board record and never set up the crossbar. Fall back to the brick type when the midplane lookup misses, and warn when neither matches. Signed-off-by: Imre Kaloz --- arch/mips/sgi-ip27/ip27-xtalk.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/mips/sgi-ip27/ip27-xtalk.c b/arch/mips/sgi-ip27/ip27-xtalk.c index 10834880c261..baa937b474a8 100644 --- a/arch/mips/sgi-ip27/ip27-xtalk.c +++ b/arch/mips/sgi-ip27/ip27-xtalk.c @@ -159,8 +159,19 @@ static int xbow_probe(nasid_t nasid) * need to probe xbow */ brd = find_lboard((lboard_t *)KL_CONFIG_INFO(nasid), KLTYPE_MIDPLANE8); - if (!brd) - return -ENODEV; + if (!brd) { + /* + * An IP35-family chassis records its crossbar as + * KLTYPE_PBRICK_XBOW instead. + */ + brd = find_lboard((lboard_t *)KL_CONFIG_INFO(nasid), + KLTYPE_PBRICK_XBOW); + if (!brd) { + pr_warn("xtalk:n%d no midplane/xbow board found\n", + nasid); + return -ENODEV; + } + } xbow_p = (klxbow_t *)find_component(brd, NULL, KLSTRUCT_XBOW); if (!xbow_p) -- 2.47.3