From patchwork Mon Jul 6 07:56:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 1323383 X-Patchwork-Delegate: lokeshvutla@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=tahBmXjz; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4B0dFk4L11z9sSt for ; Mon, 6 Jul 2020 17:57:14 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 160B381B89; Mon, 6 Jul 2020 09:56:48 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="tahBmXjz"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 6C78981671; Mon, 6 Jul 2020 09:56:44 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 362C681671 for ; Mon, 6 Jul 2020 09:56:41 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=vigneshr@ti.com Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0667ueuH038165 for ; Mon, 6 Jul 2020 02:56:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1594022200; bh=6W5t+sVcxE4ec2g5iDbTzK9N4fnGsYkSkx2Ykyqg1Z0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=tahBmXjzhaL0IX8kB7uWS9IkdQA7NgaYuV59T523x9+307dT6UTSXYFdNeratzffB z+8pI3pbrrMze9pxQ4/EgHDsLU7pAe4Sh3lvEZXyIM+YfVLrO2VWR2QLSwptSjHL+n 5gKyvy5xKvZr+yiKLXNstDFnvRhEGZMWrBM/FruI= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0667udAs127015 for ; Mon, 6 Jul 2020 02:56:40 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 6 Jul 2020 02:56:39 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 6 Jul 2020 02:56:39 -0500 Received: from ula0132425.ent.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0667uWgh080912; Mon, 6 Jul 2020 02:56:37 -0500 From: Vignesh Raghavendra To: Lokesh Vutla CC: Vignesh Raghavendra , , Subject: [PATCH 2/6] soc: ti: k3-ringacc: Add an API to request pair of rings Date: Mon, 6 Jul 2020 13:26:23 +0530 Message-ID: <20200706075627.17212-3-vigneshr@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200706075627.17212-1-vigneshr@ti.com> References: <20200706075627.17212-1-vigneshr@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add new API k3_ringacc_request_rings_pair() to request pair of rings at once, as in the most case Rings are used with DMA channels which required to request pair of rings - one to feed DMA with descriptors (TX/RX FDQ) and one to receive completions (RX/TX CQ). This will allow to simplify Ringacc API users. Signed-off-by: Vignesh Raghavendra --- drivers/soc/ti/k3-navss-ringacc.c | 23 +++++++++++++++++++++++ include/linux/soc/ti/k3-navss-ringacc.h | 4 ++++ 2 files changed, 27 insertions(+) diff --git a/drivers/soc/ti/k3-navss-ringacc.c b/drivers/soc/ti/k3-navss-ringacc.c index f31ffaf5ae..81de75af20 100644 --- a/drivers/soc/ti/k3-navss-ringacc.c +++ b/drivers/soc/ti/k3-navss-ringacc.c @@ -321,6 +321,29 @@ error: return NULL; } +int k3_nav_ringacc_request_rings_pair(struct k3_nav_ringacc *ringacc, + int fwd_id, int compl_id, + struct k3_nav_ring **fwd_ring, + struct k3_nav_ring **compl_ring) +{ + int ret = 0; + + if (!fwd_ring || !compl_ring) + return -EINVAL; + + *fwd_ring = k3_nav_ringacc_request_ring(ringacc, fwd_id, 0); + if (!(*fwd_ring)) + return -ENODEV; + + *compl_ring = k3_nav_ringacc_request_ring(ringacc, compl_id, 0); + if (!(*compl_ring)) { + k3_nav_ringacc_ring_free(*fwd_ring); + ret = -ENODEV; + } + + return ret; +} + static void k3_ringacc_ring_reset_sci(struct k3_nav_ring *ring) { struct k3_nav_ringacc *ringacc = ring->parent; diff --git a/include/linux/soc/ti/k3-navss-ringacc.h b/include/linux/soc/ti/k3-navss-ringacc.h index 7b027f8bd4..9176277ff0 100644 --- a/include/linux/soc/ti/k3-navss-ringacc.h +++ b/include/linux/soc/ti/k3-navss-ringacc.h @@ -100,6 +100,10 @@ struct k3_nav_ring_cfg { struct k3_nav_ring *k3_nav_ringacc_request_ring(struct k3_nav_ringacc *ringacc, int id, u32 flags); +int k3_nav_ringacc_request_rings_pair(struct k3_nav_ringacc *ringacc, + int fwd_id, int compl_id, + struct k3_nav_ring **fwd_ring, + struct k3_nav_ring **compl_ring); /** * k3_nav_ringacc_get_dev - get pointer on RA device * @ringacc: pointer on RA