From patchwork Thu Sep 5 14:27:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 11133215 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 46DB41593 for ; Thu, 5 Sep 2019 14:27:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D1CF206CD for ; Thu, 5 Sep 2019 14:27:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="aGcnV3R3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726273AbfIEO1e (ORCPT ); Thu, 5 Sep 2019 10:27:34 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:37384 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389046AbfIEO13 (ORCPT ); Thu, 5 Sep 2019 10:27:29 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x85EQC1b002067; Thu, 5 Sep 2019 16:27:24 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=I25v1nGgd0oB934K7CvEPzrYGTMEjRKegcH/B1pV2tE=; b=aGcnV3R3g8lgKmTYEM6XrDWRO/ZY8NjnWR1BNmyaKMNhkx5KQNO2J5lKDq+2ra1fASoq wGPKGkNfG659b+Dg/GCFs/3TaLWgn5qM0ukuby+kTMDumhnjZmlYVNOj4RFHa7kic4Xn VLmiO5b62cjs/Zc3BdpVLLy57QU40ufQ+Z+BmwkjGjU8+NOV3yau5eB9DEuEHhLa6mNZ b64CjFK/SgXEHa/hZjXYEMFaCYPW2FZ7wZIIeZXJyGzlZ4oZIvvTybFTjVR6QExknJEY MiYwJ22QdVneXdXgevGxXfteJPWDnPnkUnlPaLUQQlcmYxkW6NpQUnNiF28Uws5o44pO yQ== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com with ESMTP id 2uqec38u1s-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 05 Sep 2019 16:27:24 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 51E7124; Thu, 5 Sep 2019 14:27:21 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id AEFCB2D6C48; Thu, 5 Sep 2019 16:27:20 +0200 (CEST) Received: from SAFEX1HUBCAS21.st.com (10.75.90.45) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 5 Sep 2019 16:27:20 +0200 Received: from localhost (10.48.0.131) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 5 Sep 2019 16:27:20 +0200 From: Arnaud Pouliquen To: Ohad Ben-Cohen , Bjorn Andersson , , , CC: , Suman Anna , Fabien DESSENNE , Subject: [PATCH 3/3] rpmsg: smd: implement get_mtu ops Date: Thu, 5 Sep 2019 16:27:10 +0200 Message-ID: <1567693630-27544-4-git-send-email-arnaud.pouliquen@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1567693630-27544-1-git-send-email-arnaud.pouliquen@st.com> References: <1567693630-27544-1-git-send-email-arnaud.pouliquen@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.131] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.70,1.0.8 definitions=2019-09-05_04:2019-09-04,2019-09-05 signatures=0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Implement the get_mtu ops to return the maximum size of the message that can be sent. Signed-off-by: Arnaud Pouliquen --- drivers/rpmsg/qcom_smd.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 4abbeea782fa..f233f8d85062 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -989,6 +989,13 @@ static __poll_t qcom_smd_poll(struct rpmsg_endpoint *ept, return mask; } +static ssize_t qcom_smd_get_mtu(struct rpmsg_endpoint *ept) +{ + struct qcom_smd_endpoint *qsept = to_smd_endpoint(ept); + + return qcom_smd_get_tx_avail(qsept->qsch); +} + /* * Finds the device_node for the smd child interested in this channel. */ @@ -1040,6 +1047,7 @@ static const struct rpmsg_endpoint_ops qcom_smd_endpoint_ops = { .send = qcom_smd_send, .trysend = qcom_smd_trysend, .poll = qcom_smd_poll, + .get_mtu = qcom_smd_get_mtu, }; static void qcom_smd_release_device(struct device *dev)