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 CAFDD3F65E6 for ; Tue, 13 Oct 2026 09:51:49 +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=1791885110; cv=none; b=uaft11LcAw5ZmxVUKpjW8ZwQ+yROZ60rrubIj8E6z+EgkOH900shT4xVxN/n+3xj5FBF4BnrRnD8w610IwqtFCMnKExuaPKUGjAMEzjkzlHS308d03XuCXAblbZTqO9NLciqCXAXjB4pxWiOo0xyg7zaa1j4mUI9RuLW20TZA/0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791885110; c=relaxed/simple; bh=dHEIKyHkEbmgyD3yGJZEbc8VgVgmEtWsEafFietf1c4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DKxJ/LcBlAL7vmni/SD0o9a8nnYpe6MfekgDiGdv0FcqzKxt8fIoGGWpi7V6WUVRIT4lht2rlRXZWrYphLkI7Mw0ULLIOjyxLLw4vokEjviQkJN3Rid5gedVkSJI9OBJO6q5ReYsjhI19VRp/L/6xMaNToRpjpmMNaTNlVLiAyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=POlZuT6H; 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="POlZuT6H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFFBF1F000FF; Tue, 13 Oct 2026 09:51:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791885109; bh=GEPnN67xIjNyW6GUfi5rcPqnmAW2zKV/WUat138iIvQ=; h=From:To:Cc:Subject:Date; b=POlZuT6HZjYjjtaNdYWFU/A8jqiqYRHxPQX+EKEvPMVUVrDhXKX1OVnFzoSRIhNdY 90iqCRNeWS3kO6cvdRoqJsfqxbaQOUvRymb0rNSmUMaru6KjLhSbuZA+FiqRm2WEbJ hqqHvPr9oHjtTM1DKr7mqx0rYQWm/on6XL+jNlmAag+8L/jzzSfmFxrIQPx0A0tLaL 3RcA/j+T2d0GCikeLdv9IEprvVJiSLZqkQ+TBD2SUzCDtGH3zN78I93S4nKVQI4iyJ CXKRdeg4AKwPk4PdMDPO/0yvbVyVWblirURsakMBADP9cjBv3X9sl04gaBpa5/akDX Vft/9+F/+qZQA== From: Imre Kaloz To: Krzysztof Kozlowski Cc: linux-kernel@vger.kernel.org Subject: [PATCH 0/2] w1: Search the SGI 1-wire buses only once Date: Tue, 13 Oct 2026 11:50:44 +0200 Message-ID: <20261013095046.6006-1-kaloz@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The slaves on the SGI 1-wire buses are soldered to the board, yet the w1 core rescans each bus every 10 seconds, busy-waiting through the time slots. Patch 1 lets a bus master set its search count, and patch 2 has sgi_w1 search once. Tested on an Octane. Imre Kaloz (2): w1: Let bus masters set the search count w1: sgi_w1: Search the bus only once drivers/w1/masters/sgi_w1.c | 3 +++ drivers/w1/w1_int.c | 3 +++ include/linux/w1.h | 5 +++++ 3 files changed, 11 insertions(+) base-commit: 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907 -- 2.47.3