From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9AE94EB64D7 for ; Fri, 30 Jun 2023 07:19:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232200AbjF3HTV (ORCPT ); Fri, 30 Jun 2023 03:19:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232180AbjF3HSy (ORCPT ); Fri, 30 Jun 2023 03:18:54 -0400 Received: from smtpcmd12131.aruba.it (smtpcmd12131.aruba.it [62.149.156.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AD1F19BA for ; Fri, 30 Jun 2023 00:18:52 -0700 (PDT) Received: from polimar.homenet.telecomitalia.it ([79.0.204.227]) by Aruba Outgoing Smtp with ESMTPSA id F8P2qe5pmwtegF8P2qinBt; Fri, 30 Jun 2023 09:18:49 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1688109529; bh=vzmN4kJ3h47heL9B7a4O2NpUoBSMDfUBOXPHa+mny4w=; h=From:To:Subject:Date:MIME-Version; b=O1vfhkdI1zTrqCaCJIJEQD3Rkdmi4dggT8/z7HOsyJnEp5qOq8Sc7NjlnkLLvwqIq b2Odfl8u66oue6snszfSdlrc7UpizJ1vPqkcoKx6lcy+Gqjz/oF8vh+AtlGcEd1CM6 tNBqHkh8nVUDMIZ32CNNcYEktjqVeHAtV2gZeewxcmtsq/YTWOBnKYs7tysKW5WJ7p QWTw6FqdINR5NaCs1N2tCjEMAhNNZnqTtksq/xH9Uqs5oqBSpSHUfFDHhvy6aZqKU9 muu6GRZ+QkXCXMqF5g6lbCNeEqHxmZo7aFW1SyagCQym1nM1ThHrab8hIx4e1DbtQz MlZH9U1HKf+ig== From: Rodolfo Giometti To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Charlie Johnston , Rodolfo Giometti Subject: [PATCH 1/2] include/uapi pps.h: increase PPS_MAX_SOURCES value Date: Fri, 30 Jun 2023 09:18:25 +0200 Message-Id: <20230630071826.105501-1-giometti@enneenne.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4xfH/fmpQtNa7krYCUIJp18QipuTeXnS7k65LZHqKFjv+ecqqzgsEctZ+Z2uMSFFhohYiIdUGzrsbMFP6QSAUkBMxoz1p45oiy21BknMamhPiWJe3TNZBI H0sdV9Mllqba/jsyK/sfvLe6fV2fX84KLyYZvzLh/61VmuAccJREUbRsN5lknsujQZ7sQUheYIYk504lG+ZXz4lEG94v0KyIyVZk+VG/bLRNjqOCiBiZrOa/ z8fM7f4XXmkxuLLQEDcKIfJbZHqhOk61kELSzVJyWPIK1+ION18a2f6qJSGrrIyT2wiKVm5oQhQlAvQOzXLKpUyFu7Z+TFjiInnwbWlxJwg= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Charlie Johnston For consistency with what others use for minors, this change sets PPS_MAX_SOURCES to MINORMASK. The PPS_MAX_SOURCES value is currently set to 16. In some cases this was not sufficient for a system. For example, a system with multiple (4+) PCIe cards each with 4 PTP-capable ethernet interfaces could run out of the available PPS major:minors if each interface registers a PPS source. Signed-off-by: Charlie Johnston Acked-by: Rodolfo Giometti --- include/uapi/linux/pps.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/pps.h b/include/uapi/linux/pps.h index 009ebcd8ced5..90f2e86020ba 100644 --- a/include/uapi/linux/pps.h +++ b/include/uapi/linux/pps.h @@ -26,7 +26,7 @@ #include #define PPS_VERSION "5.3.6" -#define PPS_MAX_SOURCES 16 /* should be enough... */ +#define PPS_MAX_SOURCES MINORMASK /* Implementation note: the logical states ``assert'' and ``clear'' * are implemented in terms of the chip register, i.e. ``assert'' -- 2.34.1