From patchwork Wed Jul 1 10:30:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 11636053 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2852313B4 for ; Wed, 1 Jul 2020 10:32:47 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 01E202067D for ; Wed, 1 Jul 2020 10:32:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fAsGNrX9"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ibLbnwjf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01E202067D Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ICtSZHvho5+CFnX5jD82Kg8fJE048EIx7Dl5Vpt10ZE=; b=fAsGNrX9OUhbEilfI64aZlBFq 3owGZvjip/YVxztJwUnw/9w/bYhu7Z2gFEy7oIqcENs5celm4Xi7FjpmesDd9yAu0tJLQInhigodE indHhHLVV9gHd2urL+lHjrySt0NDmW3IiN5dW/lFmTURJ/u+v5/I/JuL9IdPhczyVlGl6882KGZKc vRvXx3ApWTLomqO25vKSbIo+iuqzy/LxLmIc9M3+eal4jEUWTPSEAe5Oyepl1X8JvWn5IuuUZwFPH WfqCy9b78wrfDioZV/W02Xho+sJc6G44S8HfWnGSHSdUOh34Bxm1pUVIxcfIaAwZt/4LMDahMDrMu cTQ7nVYlQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqa1I-00026F-Eg; Wed, 01 Jul 2020 10:31:12 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqa1F-00024v-Fz for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2020 10:31:10 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 061AV8KQ120041; Wed, 1 Jul 2020 05:31:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1593599468; bh=gjfkIx63Sl04Owqncqq6V+bTMVwQnI92E4DCFmSGTJI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ibLbnwjfJeRfPgPBavMwKABXzweiN013KrAmUhWnaE+ByeRs1PJm8gWI+WK1xU6WE A5aQrI87/aoaLDQ/7Ap3oNHRK7FZEVWg3Ix+iidmHkwioQTL2dTrPn6tt6vuK2YObo yZDT33rUfWYyp3nLsO9MiAHn8IxpobqEucqgX1oc= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 061AV8x6053251 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 1 Jul 2020 05:31:08 -0500 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 1 Jul 2020 05:31:07 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE112.ent.ti.com (10.64.6.33) 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; Wed, 1 Jul 2020 05:31:07 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 061AV6Mn039129; Wed, 1 Jul 2020 05:31:06 -0500 From: Grygorii Strashko To: Peter Ujfalusi , Rob Herring , Vinod Koul , Santosh Shilimkar Subject: [PATCH next 4/6] soc: ti: k3-ringacc: add request pair of rings api. Date: Wed, 1 Jul 2020 13:30:28 +0300 Message-ID: <20200701103030.29684-5-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200701103030.29684-1-grygorii.strashko@ti.com> References: <20200701103030.29684-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200701_063109_641521_567B098B X-CRM114-Status: GOOD ( 13.53 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.23.249 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [198.47.23.249 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Grygorii Strashko , Vignesh Raghavendra , Sekhar Nori , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add new API k3_ringacc_request_rings_pair() to request pair of rings at once, as in the most cases Rings are used with DMA channels, which need 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: Grygorii Strashko --- drivers/soc/ti/k3-ringacc.c | 24 ++++++++++++++++++++++++ include/linux/soc/ti/k3-ringacc.h | 4 ++++ 2 files changed, 28 insertions(+) diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 8a8f31d59e24..4cf1150de88e 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -322,6 +322,30 @@ struct k3_ring *k3_ringacc_request_ring(struct k3_ringacc *ringacc, } EXPORT_SYMBOL_GPL(k3_ringacc_request_ring); +int k3_ringacc_request_rings_pair(struct k3_ringacc *ringacc, + int fwd_id, int compl_id, + struct k3_ring **fwd_ring, + struct k3_ring **compl_ring) +{ + int ret = 0; + + if (!fwd_ring || !compl_ring) + return -EINVAL; + + *fwd_ring = k3_ringacc_request_ring(ringacc, fwd_id, 0); + if (!(*fwd_ring)) + return -ENODEV; + + *compl_ring = k3_ringacc_request_ring(ringacc, compl_id, 0); + if (!(*compl_ring)) { + k3_ringacc_ring_free(*fwd_ring); + ret = -ENODEV; + } + + return ret; +} +EXPORT_SYMBOL_GPL(k3_ringacc_request_rings_pair); + static void k3_ringacc_ring_reset_sci(struct k3_ring *ring) { struct k3_ringacc *ringacc = ring->parent; diff --git a/include/linux/soc/ti/k3-ringacc.h b/include/linux/soc/ti/k3-ringacc.h index 26f73df0a524..7ac115432fa1 100644 --- a/include/linux/soc/ti/k3-ringacc.h +++ b/include/linux/soc/ti/k3-ringacc.h @@ -107,6 +107,10 @@ struct k3_ringacc *of_k3_ringacc_get_by_phandle(struct device_node *np, struct k3_ring *k3_ringacc_request_ring(struct k3_ringacc *ringacc, int id, u32 flags); +int k3_ringacc_request_rings_pair(struct k3_ringacc *ringacc, + int fwd_id, int compl_id, + struct k3_ring **fwd_ring, + struct k3_ring **compl_ring); /** * k3_ringacc_ring_reset - ring reset * @ring: pointer on Ring