From patchwork Fri Jun 30 07:18:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodolfo Giometti X-Patchwork-Id: 114599 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp10167096vqr; Fri, 30 Jun 2023 00:27:55 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6Q82yvr9IkXRUvrWo835Lmro/2bnwFYRyOT2FBpcb7n2B6oTDUFIjJAJdqb2fe3UmlQjNQ X-Received: by 2002:a05:6602:1612:b0:783:6e76:6bc7 with SMTP id x18-20020a056602161200b007836e766bc7mr3347640iow.2.1688110075586; Fri, 30 Jun 2023 00:27:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688110075; cv=none; d=google.com; s=arc-20160816; b=TQYElVysX2aM1PHfk6tS0v8N37wBD8J65AwotzTDTKqep+0kkIpdXu0rHAEcwYkCIS dWo+FwikdvYJWTbSQaU6zmuNQd1WMC9nJ51hVwLgOaJcROpVgKcA/ucSsQ1G121cdqZQ LX/blWfFZZqbjJQRm/nZjCap8rLso2bZuJ7AyOo54LmWYEyZmyZzI4s+Vmqf+rYYC0u5 ivuloscfqpRmoynGCdna6eq//6r5fcmzFual/TTalNQClesQnP7wbU8XAxdY/fW7bCTb 7o0YMBIdGV8ZzRG2/Ebh0UKMwpFAlOL1LaCkJSwgC68q8ZnGPP3TyLBEf7vGiz4gGjl5 Mj4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=lcksmT+j3dvrGVE0znQsMXKzAYoy6l9c+LDbLT3F9C0=; fh=EMuwq4M6OvdxCYN7uXvrk5VMMSOj47BLh5bHSiK9ceA=; b=m8p7ljQjFuvGLYLw4bdb6BrFACBnmewLdicT3O56GMRFcl3rJ2xTQp+Fi6Acu0sfP/ YGi/yiSAX4HL7ChWbcDVfuLdntO8KHLEYrzzInhNG5NwFUacMDTkizGjbYkE8a7KvV/D X5sXdyiOwlgx+9+4zTHhht9842TRO+9hDb5OadoFz//FbZ5zS0UKJb754GPHdZZ4u8dr LQG9kJ5sOsQtzjts7feGZTRTK2SxfUFOG9O+mLlxfGXC4zy670dER0emQCURSbvu2esw uiLXrNXwAWuxonMxUqmGweP7conGCo4ts9stNQJZhxoN+ehSIy0eSYKUkXra17oV1UPr bPLQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@aruba.it header.s=a1 header.b=UN5RMAXk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x5-20020a654145000000b005533aa71fabsi11163736pgp.572.2023.06.30.00.27.42; Fri, 30 Jun 2023 00:27:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@aruba.it header.s=a1 header.b=UN5RMAXk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232288AbjF3HTX (ORCPT + 99 others); Fri, 30 Jun 2023 03:19:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229945AbjF3HS6 (ORCPT ); Fri, 30 Jun 2023 03:18:58 -0400 Received: from smtpcmd12131.aruba.it (smtpcmd12131.aruba.it [62.149.156.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 013F01BDB for ; Fri, 30 Jun 2023 00:18:56 -0700 (PDT) Received: from polimar.homenet.telecomitalia.it ([79.0.204.227]) by Aruba Outgoing Smtp with ESMTPSA id F8P2qe5pmwtegF8PAqinFy; Fri, 30 Jun 2023 09:18:56 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1688109536; bh=QcsExrNJ6u1tiwlvDyvY9CDAytYAHUcGn+MfPz/pR+M=; h=From:To:Subject:Date:MIME-Version; b=UN5RMAXkMviYnp4jYmmiMtNiGPPtedCJdjUMe2Ej4XT4YDqTxeseIAB1U4IeM41fK MvDwYgL+2+9eYCWALRY4Xy8sTL4fdhgtinJSVIZ9eIJ1INOwpQb6d1U2uuC/nsm0u6 qhIH6w6fkMO/PZBUAcgIoEfjeMU5fMNxPTWVhNIa8IOgj8XSuhsD6YHVWaB/80lwX+ th5Rmm9bWhS+dvQh18yrgxergV5MNowvQNxbDLNasVjDi3fbjkCcmtvusq4Ac3u2G0 d4H8zr8EzObwBsOshfwbMvUaVbIx4oFNDe2HsRzK5O4bS0odj3IwFl1oEjXiNIg1xV GephMKN94FF6A== From: Rodolfo Giometti To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Rodolfo Giometti Subject: [PATCH 2/2] include/uapi pps.h: drop not needed PPS_MAX_SOURCES define Date: Fri, 30 Jun 2023 09:18:26 +0200 Message-Id: <20230630071826.105501-2-giometti@enneenne.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230630071826.105501-1-giometti@enneenne.com> References: <20230630071826.105501-1-giometti@enneenne.com> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfEKXjkKELrLkuV21oCJBEGONFsFIcn/35iHv7RHB6PVXRFxSfWMKWwHLolc88Ky7whnKEmwZVxVcyv2EZ3vOt7ciRgBmxCA2yGmnURGFEKrbSKOyjkxp GLyV6wTzwvj+L85OKaqiosjgUVD9TID+V9Ea9WLYbOO1nlTxfZ0UQ+hfZ9diJ0yIRSQ10aKT/gHX/LWUIHoddVIPPK2GNTJKeU1MbFSkWRvX8yN9ZjASp3bq 4Ks3PdGZiwGlUdYteuQz8m/SDOswsWVbCO83Tg+4y8UzvLmdUK0QorZnl+6lSbDy X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770111710717949590?= X-GMAIL-MSGID: =?utf-8?q?1770111710717949590?= Userspace PPS clients should not known about how many PPS sources can be defined within the system (nor the rfc2783 say so), so we can safely drop this define since is not used anymore in the kernel too. Signed-off-by: Rodolfo Giometti --- drivers/pps/pps.c | 6 +++--- include/uapi/linux/pps.h | 1 - 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index 5d19baae6a38..1a6131608036 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -354,7 +354,7 @@ int pps_register_cdev(struct pps_device *pps) * Get new ID for the new PPS source. After idr_alloc() calling * the new source will be freely available into the kernel. */ - err = idr_alloc(&pps_idr, pps, 0, PPS_MAX_SOURCES, GFP_KERNEL); + err = idr_alloc(&pps_idr, pps, 0, MINORMASK, GFP_KERNEL); if (err < 0) { if (err == -ENOSPC) { pr_err("%s: too many PPS sources in the system\n", @@ -449,7 +449,7 @@ EXPORT_SYMBOL(pps_lookup_dev); static void __exit pps_exit(void) { class_destroy(pps_class); - unregister_chrdev_region(pps_devt, PPS_MAX_SOURCES); + unregister_chrdev_region(pps_devt, MINORMASK); } static int __init pps_init(void) @@ -463,7 +463,7 @@ static int __init pps_init(void) } pps_class->dev_groups = pps_groups; - err = alloc_chrdev_region(&pps_devt, 0, PPS_MAX_SOURCES, "pps"); + err = alloc_chrdev_region(&pps_devt, 0, MINORMASK, "pps"); if (err < 0) { pr_err("failed to allocate char device region\n"); goto remove_class; diff --git a/include/uapi/linux/pps.h b/include/uapi/linux/pps.h index 90f2e86020ba..8a4096f18af1 100644 --- a/include/uapi/linux/pps.h +++ b/include/uapi/linux/pps.h @@ -26,7 +26,6 @@ #include #define PPS_VERSION "5.3.6" -#define PPS_MAX_SOURCES MINORMASK /* Implementation note: the logical states ``assert'' and ``clear'' * are implemented in terms of the chip register, i.e. ``assert''