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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75B35C10F27 for ; Tue, 10 Mar 2020 15:51:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BF1D20848 for ; Tue, 10 Mar 2020 15:51:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="CWV9IUgY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726539AbgCJPvB (ORCPT ); Tue, 10 Mar 2020 11:51:01 -0400 Received: from mail-pj1-f67.google.com ([209.85.216.67]:54522 "EHLO mail-pj1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726414AbgCJPvA (ORCPT ); Tue, 10 Mar 2020 11:51:00 -0400 Received: by mail-pj1-f67.google.com with SMTP id np16so577724pjb.4 for ; Tue, 10 Mar 2020 08:51:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=puatEVJhmuKOgt9Q8cu9iqdOLjjoYq+qMGRTWKKIk0c=; b=CWV9IUgYBgF3JDQa0TiG4+8dJO/gigk00+RUPGah+A3JbXSZMEMXm9jvWhov6pQtdG 2jjdssJH3zGk8ONCj6SUdV6lblbZLI+1OeMEUMBokuMg7Z8KCNX6xRo/Pn/hWo/f6edZ eBoSs5XYzgZVa28ZdGspawgb3/StS/qnrPsJyRD6i6xxjjwgF7lcLWN9DLPlHBmcPSlT sPL8H+zqfR++rXXQlJXvK7yjB8OOAcC4XG5ypoRz7SKKm1vr6tGnNzE2wTwntUxDXfGQ aU5wl67mA+eZGb0lB3qQ5nZZoIQZtZo+TQJrdU/DpbAIaVNtpdnEzZUPFIxbjvKt3Egz 3TTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=puatEVJhmuKOgt9Q8cu9iqdOLjjoYq+qMGRTWKKIk0c=; b=G0j/n24qWHocPSNIdFjeC7HqzCEen725mUFbKlTQVrX/JR3lBfbZ2fraTvwYyM18hK 5+Xtk2hprumFnAx4uDV17nw3Yq5Yl6Vefmr5qNGQL3Sewxg078CaiB3pLDdj8cbzsfnb pPB9AW3dsuDiaHLJ++P8d8AEou/FvRZKUTtAuMH9vhFk+HnI5yujHgWAkfVG+MMbz50d 5Hb4542K/vF4gJBZqiT0JW4GqFMOs2iMMXRpnJJSxPGx2fVkne90nbAibh4fgJjpnRp7 vFansifez3mL8k3SPU36s0c1VEvO9wUf8B8TJfvVYGMc8j4HcpeC4WftseCA2XLyRy5d Egkw== X-Gm-Message-State: ANhLgQ2Y6l/kFhZaCh44BMCt0OxlFYlgRVRJZvCXTCila/XeUqcsbNjI oghuZ5FrWwn5Cyz9GHHMnrbPcw== X-Google-Smtp-Source: ADFU+vvPzJ71s775gNA98xJ5cDRr+8TkKbn/z5xOf4wkucvse+76g071RrAOnuiFhWH8XSA3OeMTaw== X-Received: by 2002:a17:902:ec02:: with SMTP id l2mr20982861pld.184.1583855459807; Tue, 10 Mar 2020 08:50:59 -0700 (PDT) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id d22sm2807841pja.14.2020.03.10.08.50.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2020 08:50:59 -0700 (PDT) From: Mathieu Poirier To: ohad@wizery.com, bjorn.andersson@linaro.org Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] rpmsg: core: Add wildcard match for name service Date: Tue, 10 Mar 2020 09:50:58 -0600 Message-Id: <20200310155058.1607-1-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding the capability to supplement the base definition published by an rpmsg_driver with a postfix description so that it is possible for several entity to use the same service. Signed-off-by: Mathieu Poirier Acked-by: Arnaud Pouliquen --- Changes for V2: - Added Arnaud's Acked-by. - Rebased to latest rproc-next. drivers/rpmsg/rpmsg_core.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index e330ec4dfc33..bfd25978fa35 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -399,7 +399,25 @@ ATTRIBUTE_GROUPS(rpmsg_dev); static inline int rpmsg_id_match(const struct rpmsg_device *rpdev, const struct rpmsg_device_id *id) { - return strncmp(id->name, rpdev->id.name, RPMSG_NAME_SIZE) == 0; + size_t len = min_t(size_t, strlen(id->name), RPMSG_NAME_SIZE); + + /* + * Allow for wildcard matches. For example if rpmsg_driver::id_table + * is: + * + * static struct rpmsg_device_id rpmsg_driver_sample_id_table[] = { + * { .name = "rpmsg-client-sample" }, + * { }, + * } + * + * Then it is possible to support "rpmsg-client-sample*", i.e: + * rpmsg-client-sample + * rpmsg-client-sample_instance0 + * rpmsg-client-sample_instance1 + * ... + * rpmsg-client-sample_instanceX + */ + return strncmp(id->name, rpdev->id.name, len) == 0; } /* match rpmsg channel and rpmsg driver */ -- 2.20.1