From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 721B3C3A589 for ; Mon, 19 Aug 2019 03:13:40 +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 421FB2087E for ; Mon, 19 Aug 2019 03:13:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FoSxvYJ9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 421FB2087E 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+infradead-linux-arm-kernel=archiver.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: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xapKrzWfw5lHSn/hZTyBqRj+ntMzn7QqpQoIQjbfB+c=; b=FoSxvYJ9T0ixab xTPE+QTCqedG0mcTZw1q+UTjX5VVtjehXUEHRfbDINL3N5VkweNwnyhp2eLxP/LwXPBCYQw5mDjkh C0ACRL/GPFh3q0jNE1WiQ8n4mfd1t+xP0dXP3hSc2tkJI33nS39+JY3zzB1x4irc82hElcWx4y0Gr dJLgOdtmYoMFxttNuJJxcdsYFzk78FQFbPhtDtWy8ypNPT/NpWaGya9oHxFMA/y/SWobJpOO/Fkvm i04c9MRj99nAdED41+oq/L//bRayrnOQ0xsdUtxwf0gSP+dCqy3PREbg6TiRwG2OLqj5SxgWJP/EZ tNn7Shl67NDveu0/M9Rg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hzY6v-0001EY-O5; Mon, 19 Aug 2019 03:13:33 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hzY6s-0001Dr-ST; Mon, 19 Aug 2019 03:13:32 +0000 X-UUID: 0d451f519d7a43c48257b39d5056f130-20190818 X-UUID: 0d451f519d7a43c48257b39d5056f130-20190818 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1063727819; Sun, 18 Aug 2019 19:13:22 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 18 Aug 2019 20:13:21 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 19 Aug 2019 11:13:20 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 19 Aug 2019 11:13:20 +0800 Message-ID: <1566184400.6182.0.camel@mtksdaap41> Subject: Re: [PATCH v12 11/12] soc: mediatek: cmdq: add cmdq_dev_get_client_reg function From: CK Hu To: Bibby Hsieh Date: Mon, 19 Aug 2019 11:13:20 +0800 In-Reply-To: <20190819025359.11381-12-bibby.hsieh@mediatek.com> References: <20190819025359.11381-1-bibby.hsieh@mediatek.com> <20190819025359.11381-12-bibby.hsieh@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190818_201330_926917_B666E49E X-CRM114-Status: GOOD ( 15.61 ) 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, Nicolas Boichat , Philipp Zabel , srv_heupstream@mediatek.com, Daoyuan Huang , Sascha Hauer , Jassi Brar , linux-kernel@vger.kernel.org, Daniel Kurtz , Dennis-YC Hsieh , YT Shen , Rob Herring , linux-mediatek@lists.infradead.org, Houlong Wei , Sascha Hauer , Matthias Brugger , Jiaguang Zhang , linux-arm-kernel@lists.infradead.org, ginny.chen@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Bibby: On Mon, 2019-08-19 at 10:53 +0800, Bibby Hsieh wrote: > GCE cannot know the register base address, this function > can help cmdq client to get the cmdq_client_reg structure. Reviewed-by: CK Hu > > Signed-off-by: Bibby Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 29 ++++++++++++++++++++++++++ > include/linux/soc/mediatek/mtk-cmdq.h | 21 +++++++++++++++++++ > 2 files changed, 50 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 340a92a254e5..1bed07362b7a 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -27,6 +27,35 @@ struct cmdq_instruction { > u8 op; > }; > > +int cmdq_dev_get_client_reg(struct device *dev, > + struct cmdq_client_reg *client_reg, int idx) > +{ > + struct of_phandle_args spec; > + int err; > + > + if (!client_reg) > + return -ENOENT; > + > + err = of_parse_phandle_with_fixed_args(dev->of_node, > + "mediatek,gce-client-reg", > + 3, idx, &spec); > + if (err < 0) { > + dev_err(dev, > + "error %d can't parse gce-client-reg property (%d)", > + err, idx); > + > + return err; > + } > + > + client_reg->subsys = (u8)spec.args[0]; > + client_reg->offset = (u16)spec.args[1]; > + client_reg->size = (u16)spec.args[2]; > + of_node_put(spec.np); > + > + return 0; > +} > +EXPORT_SYMBOL(cmdq_dev_get_client_reg); > + > 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 a345870a6d10..6215d4fc4ba3 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -15,6 +15,12 @@ > > struct cmdq_pkt; > > +struct cmdq_client_reg { > + u8 subsys; > + u16 offset; > + u16 size; > +}; > + > struct cmdq_client { > spinlock_t lock; > u32 pkt_cnt; > @@ -24,6 +30,21 @@ struct cmdq_client { > u32 timeout_ms; /* in unit of microsecond */ > }; > > +/** > + * cmdq_dev_get_client_reg() - parse cmdq client reg from the device > + * node of CMDQ client > + * @dev: device of CMDQ mailbox clienti > + * @client_reg: CMDQ client reg pointer > + * @idx: the index of desired reg > + * > + * Return: 0 for success; else the error code is returned > + * > + * Help CMDQ client pasing the cmdq client reg > + * from the device node of CMDQ client. > + */ > +int cmdq_dev_get_client_reg(struct device *dev, > + struct cmdq_client_reg *client_reg, int idx); > + > /** > * cmdq_mbox_create() - create CMDQ mailbox client and channel > * @dev: device of CMDQ mailbox client _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel