From patchwork Thu May 16 09:27:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibby Hsieh X-Patchwork-Id: 10946087 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3EFE56C5 for ; Thu, 16 May 2019 09:28:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B79F289C6 for ; Thu, 16 May 2019 09:28:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F20E28A7D; Thu, 16 May 2019 09:28:27 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B6384289C6 for ; Thu, 16 May 2019 09:28:26 +0000 (UTC) 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=i9r27uN3Y8jryyFvEm+TiGoUblsNlD40Cp36ikc7K9E=; b=hdQ7bohVHaZsQI H/FU3KOBHPfWk1H2gPFS43pCNuLjdOiWanVH/4PKJvIoOfbvt47saH5yuOZEue38jSGQyRJmp11vJ esj/ffFeaPPvuDdW+8c0bPCjuxTfCps4gtx9MpwLKj3QbhYoiab7/ToTgraGGcSoYldccourZtG5r ANHqvEukXZ8ea8vYxavU/O1CjdMn+4NsDsaXR4Ry4i1tVcclO0UxxZdP5HgTSQ9j6rh8veV6LFGdj XnyKtg0fB971fyiZ2uOWvN6JdniNz6o2xm2v2f5sGDlkSFQOBMqF9ntAChvPirUk8lTq2iZ3Gkhqk WTUpC2FTnuWFrwIQxyqw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRCgW-0001mr-0J; Thu, 16 May 2019 09:28:20 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRCgR-0001l3-HQ; Thu, 16 May 2019 09:28:16 +0000 X-UUID: 65d4e42d33f34203813e60cd0dc5b5fd-20190516 X-UUID: 65d4e42d33f34203813e60cd0dc5b5fd-20190516 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1878097531; Thu, 16 May 2019 01:28:06 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 16 May 2019 02:28:04 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 16 May 2019 17:27:56 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 16 May 2019 17:27:56 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU Subject: [PATCH v6 11/12] soc: mediatek: cmdq: add cmdq_dev_get_event function Date: Thu, 16 May 2019 17:27:54 +0800 Message-ID: <20190516092754.33425-3-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190516092754.33425-1-bibby.hsieh@mediatek.com> References: <20190516092754.33425-1-bibby.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-20190516_022815_657939_9808A931 X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Nicolas Boichat , Philipp Zabel , srv_heupstream@mediatek.com, Daoyuan Huang , Sascha Hauer , linux-kernel@vger.kernel.org, Daniel Kurtz , Dennis-YC Hsieh , linux-mediatek@lists.infradead.org, Houlong Wei , Sascha Hauer , YT Shen , Jiaguang Zhang , Bibby Hsieh , linux-arm-kernel@lists.infradead.org, ginny.chen@mediatek.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP When client ask gce to clear or wait for event, client need to pass event number to the API. We suggest client store the event information in device node, so we provide an API for client parse the event property. Signed-off-by: Bibby Hsieh --- drivers/soc/mediatek/mtk-cmdq-helper.c | 18 ++++++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 12 ++++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index a64060a34e01..e9658063c3d4 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -52,6 +52,24 @@ struct cmdq_subsys *cmdq_dev_get_subsys(struct device *dev, int idx) } EXPORT_SYMBOL(cmdq_dev_get_subsys); +s32 cmdq_dev_get_event(struct device *dev, int index) +{ + s32 result; + + if (!dev) + return -EINVAL; + + if (of_property_read_u32_index(dev->of_node, "mediatek,gce-events", + index, &result)) { + dev_err(dev, "can't parse gce-events property"); + + return -ENODEV; + } + + return result; +} +EXPORT_SYMBOL(cmdq_dev_get_event); + static void cmdq_client_timeout(struct timer_list *t) { struct cmdq_client *client = from_timer(client, t, timer); diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 574006c5cd76..525713bf79b5 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -160,4 +160,16 @@ int cmdq_pkt_flush(struct cmdq_pkt *pkt); */ struct cmdq_subsys *cmdq_dev_get_subsys(struct device *dev, int idx); +/** + * cmdq_dev_get_event() - parse event from the device node of CMDQ client + * @dev: device of CMDQ mailbox client + * @index: the index of desired event + * + * Return: CMDQ event number + * + * Help CMDQ client pasing the event number + * from the device node of CMDQ client. + */ +s32 cmdq_dev_get_event(struct device *dev, int index); + #endif /* __MTK_CMDQ_H__ */