From patchwork Thu Nov 21 09:12:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dennis-YC Hsieh X-Patchwork-Id: 11255935 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 E1AF814E5 for ; Thu, 21 Nov 2019 09:15:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 BBEDE2071C for ; Thu, 21 Nov 2019 09:15:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XitjXpoT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="jF6NNb1M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBEDE2071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.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=bombadil.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=J4S9HwxBcNACVhJ2vjZNaL0aTe8q+QrGEwHiSpmIOls=; b=XitjXpoTd56ipP K75ufxBXSXmMIPfjRbhrrJ8xdCfmYH4znOUgJUzHDqgolWtzeqBBraMFfqyCvtjaTg8tZ29oyk84z WWBHeGHMl/9QkrcrAeBLAuD/IEPs9SudUEc01NO3FhRlnE8Zp28UReZPaJ8EcDRlNpDVVo4HjuVgp MByHTgiYsbtJrM/dgzaf7W+SSjdGZCW+CM531jRyi0nesFFWcXs8y/N+3YIW36TkHAHAXphuM0m0E XHfTofLqPbMMfmPqqhB1dw7apomh8a5w+Oaf5P2AM1Fz9tw4Wh6DPHFos3jI9FjJRDBsaQNdkcdwi DHzObgFldoIDebGfL58w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXiYO-0003eR-Hw; Thu, 21 Nov 2019 09:15:08 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXiWq-0001Rh-Ar; Thu, 21 Nov 2019 09:13:34 +0000 X-UUID: fc645a50fc7c49ba852ccf515a311c70-20191121 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=UJ8CVpRl5qpmELbv5i/7Rub+Aa7T5EcEvIQVudHKMAA=; b=jF6NNb1Mqk3jvc+h7Jj49pB2vur2qZxWn0frzEuDDAL780Lh3NqAYo1Q0RxDCX1BVje95yrqtSn+jR9pvlm38UfI0ujEF6A/glUNI7kRvHSv4BUC5VW5ruvsUBDXLKt6h+mK2ciFKZWdfH8gJX89kCBYXC39GX+8Uxh8I8lnrMg=; X-UUID: fc645a50fc7c49ba852ccf515a311c70-20191121 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1008694416; Thu, 21 Nov 2019 01:13:27 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Nov 2019 01:13:47 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Nov 2019 17:13:21 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 21 Nov 2019 17:13:30 +0800 From: Dennis YC Hsieh To: Rob Herring , Matthias Brugger , Jassi Brar Subject: [PATCH v1 11/12] soc: mediatek: cmdq: add wait no clear event function Date: Thu, 21 Nov 2019 17:12:31 +0800 Message-ID: <1574327552-11806-12-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1574327552-11806-1-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1574327552-11806-1-git-send-email-dennis-yc.hsieh@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_011332_382823_68F318AB X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -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 -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, Houlong Wei , Dennis YC Hsieh , linux-mediatek@lists.infradead.org, Bibby Hsieh , CK Hu , 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 wait no clear event function in cmdq helper functions to wait specific event without clear to 0 after receive it. Signed-off-by: Dennis YC Hsieh --- drivers/soc/mediatek/mtk-cmdq-helper.c | 15 +++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 10 ++++++++++ 2 files changed, 25 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 3b10241..7f1e332 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -323,6 +323,21 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) } EXPORT_SYMBOL(cmdq_pkt_wfe); +int cmdq_pkt_wait_no_clear(struct cmdq_pkt *pkt, u16 event) +{ + struct cmdq_instruction inst = { {0} }; + + if (event >= CMDQ_MAX_EVENT) + return -EINVAL; + + inst.op = CMDQ_CODE_WFE; + inst.value = CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE; + inst.event = event; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_wait_no_clear); + int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event) { struct cmdq_instruction inst = { {0} }; diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 77e8944..5211827 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -148,6 +148,16 @@ int cmdq_pkt_mem_move(struct cmdq_pkt *pkt, phys_addr_t src_addr, int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); /** + * cmdq_pkt_wait_no_clear() - Append wait for event command to the CMDQ packet, + * without update event to 0 after receive it. + * @pkt: the CMDQ packet + * @event: the desired event type to wait + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_wait_no_clear(struct cmdq_pkt *pkt, u16 event); + +/** * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet * @pkt: the CMDQ packet * @event: the desired event to be cleared