From patchwork Thu Nov 30 16:46:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic PALLARDY X-Patchwork-Id: 10085321 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5B0E960234 for ; Thu, 30 Nov 2017 16:48:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 51A002A225 for ; Thu, 30 Nov 2017 16:48:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 46A7B2A22E; Thu, 30 Nov 2017 16:48:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B6C962A225 for ; Thu, 30 Nov 2017 16:48:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750926AbdK3Qse (ORCPT ); Thu, 30 Nov 2017 11:48:34 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:41006 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753789AbdK3QrY (ORCPT ); Thu, 30 Nov 2017 11:47:24 -0500 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vAUGiJ7s017787; Thu, 30 Nov 2017 17:47:22 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2ef09hkt5s-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 30 Nov 2017 17:47:22 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C48CA34; Thu, 30 Nov 2017 16:47:21 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag7node2.st.com [10.75.127.20]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B12EE537A; Thu, 30 Nov 2017 16:47:21 +0000 (GMT) Received: from localhost (10.75.127.44) by SFHDAG7NODE2.st.com (10.75.127.20) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 30 Nov 2017 17:47:21 +0100 From: Loic Pallardy To: , CC: , , , , Loic Pallardy Subject: [PATCH v2 14/16] remoteproc: look-up pre-registered carveout by name for carveout allocation Date: Thu, 30 Nov 2017 17:46:49 +0100 Message-ID: <1512060411-729-15-git-send-email-loic.pallardy@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1512060411-729-1-git-send-email-loic.pallardy@st.com> References: <1512060411-729-1-git-send-email-loic.pallardy@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG7NODE2.st.com (10.75.127.20) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-11-30_05:, , signatures=0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Look-up for a pre-registred carveout having the same name as requested one. If match found, pre-registed carevout is used and resource table updated. Signed-off-by: Loic Pallardy --- drivers/remoteproc/remoteproc_core.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 9c12319..8436185 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -873,7 +873,7 @@ static int rproc_handle_carveout(struct rproc *rproc, struct fw_rsc_carveout *rsc, int offset, int avail) { - struct rproc_mem_entry *carveout, *mapping; + struct rproc_mem_entry *carveout, *mapping, *mem; struct device *dev = &rproc->dev; dma_addr_t dma; phys_addr_t pa; @@ -899,6 +899,7 @@ static int rproc_handle_carveout(struct rproc *rproc, return -ENOMEM; /* Check carveout rsc already part of a registered carveout */ + /* By device address if any */ if (rsc->da != FW_RSC_ADDR_ANY) { va = rproc_find_carveout_by_da(rproc, rsc->da, rsc->len); @@ -933,6 +934,20 @@ static int rproc_handle_carveout(struct rproc *rproc, } } + /* By name */ + mem = rproc_find_carveout_by_name(rproc, rsc->name); + if (mem) { + /* + * Update resource table with registered carevout information + */ + rsc->len = mem->len; + rsc->da = mem->da; + rsc->pa = rproc_va_to_pa(mem->va); + /* no need to register as already match one for one */ + return 0; + } + + /* No registered carveout found, allocate a new one */ va = dma_alloc_coherent(dev->parent, rsc->len, &dma, GFP_KERNEL); if (!va) { dev_err(dev->parent,