From patchwork Mon Apr 15 12:58:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibby Hsieh X-Patchwork-Id: 10900803 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 6A55F922 for ; Mon, 15 Apr 2019 13:01:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D83A28913 for ; Mon, 15 Apr 2019 13:01:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4166428956; Mon, 15 Apr 2019 13:01:08 +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 D3F4528913 for ; Mon, 15 Apr 2019 13:01:07 +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=IgKS/iXShWT9BSKILRgeRSNReWJFPpR+0uUgLQgo0Eg=; b=JizPw9FTL+C5TP absJuepiv4li6YyPe5xUlM1Jmna2Pm/97gmZxMF5dSr9GyfMndq+om9QVwH402wxGsOv8aqoWRGV2 OVmLluNfdMheVjTe0WdB6my0nnekyFPnJ4jj0RG52u90ag8JRBlLOPn3J4udsaDa0FDRas8xBugFK ajdWbMUzWx/6dZkzYs9ABriUtzNwc9aODtX2mu23iCTNMm5slc3TQHXEk48ef8LAhfGbsvDS/fXhD kiAMg5UMYjmSkebfPED8WAHg3JzikghDiKmbTIWMwR4aGNZdzM+xXEtsoLJY/2rtSduJNR5NTjPnN D1+aWW4dmasy6Iy/UL8g==; 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 1hG1EH-0001W7-Kz; Mon, 15 Apr 2019 13:00:57 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hG1De-0007Ym-V2; Mon, 15 Apr 2019 13:00:25 +0000 X-UUID: 90db8cd3eff3496285dbc008659016f4-20190415 X-UUID: 90db8cd3eff3496285dbc008659016f4-20190415 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1767667015; Mon, 15 Apr 2019 04:58:55 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 15 Apr 2019 05:58:54 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 15 Apr 2019 20:58:38 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 15 Apr 2019 20:58:38 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU Subject: [PATCH v4 11/12] soc: mediatek: cmdq: add cmdq_dev_get_event function Date: Mon, 15 Apr 2019 20:58:32 +0800 Message-ID: <20190415125833.38704-12-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190415125833.38704-1-bibby.hsieh@mediatek.com> References: <20190415125833.38704-1-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-20190415_060019_131139_EBE2A541 X-CRM114-Status: GOOD ( 10.03 ) X-BeenThere: linux-mediatek@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, Dennis-YC Hsieh , kendrick.hsu@mediatek.com, linux-mediatek@lists.infradead.org, Houlong Wei , Sascha Hauer , Frederic Chen , Jiaguang Zhang , Bibby Hsieh , linux-arm-kernel@lists.infradead.org, ginny.chen@mediatek.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=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 | 32 ++++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 12 ++++++++++ 2 files changed, 44 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index d86f800d40dc..bc8e10121f9b 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -72,6 +72,38 @@ 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, const char *name) +{ + s32 index = 0; + struct of_phandle_args spec; + s32 result; + + if (!dev) + return -EINVAL; + + index = of_property_match_string(dev->of_node, + "mediatek,gce-event-names", name); + if (index < 0) { + dev_err(dev, "no gce-event-names property or no such event:%s", + name); + + return index; + } + + if (of_parse_phandle_with_args(dev->of_node, "mediatek,gce-events", + "#event-cells", index, &spec)) { + dev_err(dev, "can't parse gce-events property"); + + return -ENODEV; + } + + result = spec.args[0]; + of_node_put(spec.np); + + 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..15884354af20 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 + * @name: the name 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, const char *name); + #endif /* __MTK_CMDQ_H__ */