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=-8.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 83CC1C43603 for ; Sat, 14 Dec 2019 21:57:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41E0C2073D for ; Sat, 14 Dec 2019 21:57:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cV4vyswL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726803AbfLNV56 (ORCPT ); Sat, 14 Dec 2019 16:57:58 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:44347 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726687AbfLNV56 (ORCPT ); Sat, 14 Dec 2019 16:57:58 -0500 Received: by mail-wr1-f68.google.com with SMTP id q10so2668123wrm.11; Sat, 14 Dec 2019 13:57:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=bH9eEmcu8wx9wAtORa7NBU2ePyVsuyeiAeNWDqVk32U=; b=cV4vyswLmCUCUGNExYKH5QIx0rfVdBflYIO6GT5C9EfW9hyPeFtJv3wZKoc4Rxrgb8 7n21fuMq9T7suenohTVQaGEXO/iPO4l23WqQMp2OdNW1KTTt5dHCIZGcTneBjZBDPFmp OqTCCUIFx2UMrRS7dB+5BS1Zk7An5f4FnxPjyUQXLRhpbS7fvvO9YIdKmtCig8z/UWsd YUHQ2dbrrxekE2wom3K6S1v/ONDL/bcIgeGcDS6v5MOt+veks0yKtkzkuT1DhVGiItl+ Gi9yIeKbmllDBDvzAm97soWpaMEfiiVyoznv8mFy/oiX3kKJotWlmmDZYoofKQ91io5Q wvjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=bH9eEmcu8wx9wAtORa7NBU2ePyVsuyeiAeNWDqVk32U=; b=kyOd0ePy1jaU4wTkRwMI9kNPJ8cKV7NGDCdwj6nB6D1ETy8pKfSAf7ldToDxQugmeK MV+QHB09qIScqtbYDkAPKy17ZyhIAkuYAuPgSBAsEAr/NjplDyPgZbI47Uid23X+fjyr oFtlTcTKuOvtV29Pfdf20+pTTGuhbe7+cn38ItTHT/64lAt+kOwLiF+pPECY5HpihGN8 lwJKOn8ig84f9kocYALJTizGnms+ROtF6e/t1fE6VB2PrBwRbUkgCC7CHkdJeLxAOht3 IlXEg5xjUOIyc9cFfJJN2hDAgEsE4Wx0mp+LqjiJS3dMvJDYgZLyuQJEA4MBu3QoUrqH YtZA== X-Gm-Message-State: APjAAAVlsbxXhW97pj0pML40ECL6mG9yPeOcawYs2BA5VzA68PkCDN9U UgjPboD8SOCWQNH0eh6a07M= X-Google-Smtp-Source: APXvYqwGINYyAMpf/FMYyahL73Ns2g2qagEZfSwYuLlvWl58NR0r5pXqhZXGknMJIFNbwEqp3WLXkw== X-Received: by 2002:a5d:6211:: with SMTP id y17mr20734132wru.344.1576360675105; Sat, 14 Dec 2019 13:57:55 -0800 (PST) Received: from ziggy.stardust ([95.169.225.199]) by smtp.gmail.com with ESMTPSA id s19sm14707115wmj.33.2019.12.14.13.57.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Dec 2019 13:57:54 -0800 (PST) Subject: Re: [PATCH v17 5/6] soc: mediatek: cmdq: add cmdq_dev_get_client_reg function To: Bibby Hsieh , Rob Herring , CK HU Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Nicolas Boichat , Dennis-YC Hsieh References: <20191121015410.18852-1-bibby.hsieh@mediatek.com> <20191121015410.18852-6-bibby.hsieh@mediatek.com> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 1ntn9O/39KqSrWNGvm+1raHK+Ev1yPtn0Wxn+0oy1tl67TxUjQARAQABtClNYXR0aGlhcyBC cnVnZ2VyIDxtYXR0aGlhcy5iZ2dAZ21haWwuY29tPokCUgQTAQIAPAIbAwYLCQgHAwIGFQgC CQoLBBYCAwECHgECF4AWIQTmuZIYwPLDJRwsOhfZFAuyVhMC8QUCWt3scQIZAQAKCRDZFAuy VhMC8WzRD/4onkC+gCxG+dvui5SXCJ7bGLCu0xVtiGC673Kz5Aq3heITsERHBV0BqqctOEBy ZozQQe2Hindu9lasOmwfH8+vfTK+2teCgWesoE3g3XKbrOCB4RSrQmXGC3JYx6rcvMlLV/Ch YMRR3qv04BOchnjkGtvm9aZWH52/6XfChyh7XYndTe5F2bqeTjt+kF/ql+xMc4E6pniqIfkv c0wsH4CkBHqoZl9w5e/b9MspTqsU9NszTEOFhy7p2CYw6JEa/vmzR6YDzGs8AihieIXDOfpT DUr0YUlDrwDSrlm/2MjNIPTmSGHH94ScOqu/XmGW/0q1iar/Yr0leomUOeeEzCqQtunqShtE 4Mn2uEixFL+9jiVtMjujr6mphznwpEqObPCZ3IcWqOFEz77rSL+oqFiEA03A2WBDlMm++Sve 9jpkJBLosJRhAYmQ6ey6MFO6Krylw1LXcq5z1XQQavtFRgZoruHZ3XlhT5wcfLJtAqrtfCe0 aQ0kJW+4zj9/So0uxJDAtGuOpDYnmK26dgFN0tAhVuNInEVhtErtLJHeJzFKJzNyQ4GlCaLw jKcwWcqDJcrx9R7LsCu4l2XpKiyxY6fO4O8DnSleVll9NPfAZFZvf8AIy3EQ8BokUsiuUYHz wUo6pclk55PZRaAsHDX/fNr24uC6Eh5oNQ+v4Pax/gtyybkCDQRd1TkHARAAt1BBpmaH+0o+ deSyJotkrpzZZkbSs5ygBniCUGQqXpWqgrc7Uo/qtxOFL91uOsdX1/vsnJO9FyUv3ZNI2Thw NVGCTvCP9E6u4gSSuxEfVyVThCSPvRJHCG2rC+EMAOUMpxokcX9M2b7bBEbcSjeP/E4KTa39 q+JJSeWliaghUfMXXdimT/uxpP5Aa2/D/vcUUGHLelf9TyihHyBohdyNzeEF3v9rq7kdqamZ Ihb+WYrDio/SzqTd1g+wnPJbnu45zkoQrYtBu58n7u8oo+pUummOuTR2b6dcsiB9zJaiVRIg OqL8p3K2fnE8Ewwn6IKHnLTyx5T/r2Z0ikyOeijDumZ0VOPPLTnwmb780Nym3LW1OUMieKtn I3v5GzZyS83NontvsiRd4oPGQDRBT39jAyBr8vDRl/3RpLKuwWBFTs1bYMLu0sYarwowOz8+ Mn+CRFUvRrXxociw5n0P1PgJ7vQey4muCZ4VynH1SeVb3KZ59zcQHksKtpzz2OKhtX8FCeVO mHW9u4x8s/oUVMZCXEq9QrmVhdIvJnBCqq+1bh5UC2Rfjm/vLHwt5hes0HDstbCzLyiA0LTI ADdP77RN2OJbzBkCuWE21YCTLtc8kTQlP+G8m23K5w8k2jleCSKumprCr/5qPyNlkie1HC4E GEAfdfN+uLsFw6qPzSAsmukAEQEAAYkEbAQYAQgAIBYhBOa5khjA8sMlHCw6F9kUC7JWEwLx BQJd1TkHAhsCAkAJENkUC7JWEwLxwXQgBBkBCAAdFiEEUdvKHhzqrUYPB/u8L21+TfbCqH4F Al3VOQcACgkQL21+TfbCqH79RRAAtlb6oAL9y8JM5R1T3v02THFip8OMh7YvEJCnezle9Apq C6Vx26RSQjBV1JwSBv6BpgDBNXarTGCPXcre6KGfX8u1r6hnXAHZNHP7bFGJQiBv5RqGFf45 OhOhbjXCyHc0jrnNjY4M2jTkUC+KIuOzasvggU975nolC8MiaBqfgMB2ab5W+xEiTcNCOg3+ 1SRs5/ZkQ0iyyba2FihSeSw3jTUjPsJBF15xndexoc9jpi0RKuvPiJ191Xa3pzNntIxpsxqc ZkS1HSqPI63/urNezeSejBzW0Xz2Bi/b/5R9Hpxp1AEC3OzabOBATY/1Bmh2eAVK3xpN2Fe1 Zj7HrTgmzBmSefMcSXN0oKQWEI5tHtBbw5XUj0Nw4hMhUtiMfE2HAqcaozsL34sEzi3eethZ IvKnIOTmllsDFMbOBa8oUSoaNg7GzkWSKJ59a9qPJkoj/hJqqeyEXF+WTCUv6FcA8BtBJmVf FppFzLFM/QzF5fgDZmfjc9czjRJHAGHRMMnQlW88iWamjYVye57srNq9pUql6A4lITF7w00B 5PXINFk0lMcNUdkWipu24H6rJhOO6xSP4n6OrCCcGsXsAR5oH3d4TzA9iPYrmfXAXD+hTp82 s+7cEbTsCJ9MMq09/GTCeroTQiqkp50UaR0AvhuPdfjJwVYZfmMS1+5IXA/KY6DbGBAAs5ti AK0ieoZlCv/YxOSMCz10EQWMymD2gghjxojf4iwB2MbGp8UN4+++oKLHz+2j+IL08rd2ioFN YCJBFDVoDRpF/UnrQ8LsH55UZBHuu5XyMkdJzMaHRVQc1rzfluqx+0a/CQ6Cb2q7J2d45nYx 8jMSCsGj1/iU/bKjMBtuh91hsbdWCxMRW0JnGXxcEUklbhA5uGj3W4VYCfTQxwK6JiVt7JYp bX7JdRKIyq3iMDcsTXi7dhhwqsttQRwbBci0UdFGAG4jT5p6u65MMDVTXEgYfZy0674P06qf uSyff73ivwvLR025akzJui8MLU23rWRywXOyTINz8nsPFT4ZSGT1hr5VnIBs/esk/2yFmVoc FAxs1aBO29iHmjJ8D84EJvOcKfh9RKeW8yeBNKXHrcOV4MbMOts9+vpJgBFDnJeLFQPtTHuI kQXT4+yLDvwOVAW9MPLfcHlczq/A/nhGVaG+RKWDfJWNSu/mbhqUQt4J+RFpfx1gmL3yV8NN 7JXABPi5M97PeKdx6qc/c1o3oEHH8iBkWZIYMS9fd6rtAqV3+KH5Ors7tQVtwUIDYEvttmeO ifvpW6U/4au4zBYfvvXagbyXJhG9mZvz+jN1cr0/G2ZC93IbjFFwUmHtXS4ttQ4pbrX6fjTe lq5vmROjiWirpZGm+WA3Vx9QRjqfMdS5Ag0EXdU5SAEQAJu/Jk58uOB8HSGDSuGUB+lOacXC bVOOSywZkq+Ayv+3q/XIabyeaYMwhriNuXHjUxIORQoWHIHzTCqsAgHpJFfSHoM4ulCuOPFt XjqfEHkA0urB6S0jnvJ6ev875lL4Yi6JJO7WQYRs/l7OakJiT13GoOwDIn7hHH/PGUqQoZlA d1n5SVdg6cRd7EqJ+RMNoud7ply6nUSCRMNWbNqbgyWjKsD98CMjHa33SB9WQQSQyFlf+dz+ dpirWENCoY3vvwKJaSpfeqKYuqPVSxnqpKXqqyjNnG9W46OWZp+JV5ejbyUR/2U+vMwbTilL cIUpTgdmxPCA6J0GQjmKNsNKKYgIMn6W4o/LoiO7IgROm1sdn0KbJouCa2QZoQ0+p/7mJXhl tA0XGZhNlI3npD1lLpjdd42lWboU4VeuUp4VNOXIWU/L1NZwEwMIqzFXl4HmRi8MYbHHbpN5 zW+VUrFfeRDPyjrYpax+vWS+l658PPH+sWmhj3VclIoAU1nP33FrsNfp5BiQzao30rwe4ntd eEdPENvGmLfCwiUV2DNVrmJaE3CIUUl1KIRoB5oe7rJeOvf0WuQhWjIU98glXIrh3WYd7vsf jtbEXDoWhVtwZMShMvp7ccPCe2c4YBToIthxpDhoDPUdNwOssHNLD8G4JIBexwi4q7IT9lP6 sVstwvA5ABEBAAGJAjYEGAEIACAWIQTmuZIYwPLDJRwsOhfZFAuyVhMC8QUCXdU5SAIbDAAK CRDZFAuyVhMC8bXXD/4xyfbyPGnRYtR0KFlCgkG2XWeWSR2shSiM1PZGRPxR888zA2WBYHAk 7NpJlFchpaErV6WdFrXQjDAd9YwaEHucfS7SAhxIqdIqzV5vNFrMjwhB1N8MfdUJDpgyX7Zu k/Phd5aoZXNwsCRqaD2OwFZXr81zSXwE2UdPmIfTYTjeVsOAI7GZ7akCsRPK64ni0XfoXue2 XUSrUUTRimTkuMHrTYaHY3544a+GduQQLLA+avseLmjvKHxsU4zna0p0Yb4czwoJj+wSkVGQ NMDbxcY26CMPK204jhRm9RG687qq6691hbiuAtWABeAsl1AS+mdS7aP/4uOM4kFCvXYgIHxP /BoVz9CZTMEVAZVzbRKyYCLUf1wLhcHzugTiONz9fWMBLLskKvq7m1tlr61mNgY9nVwwClMU uE7i1H9r/2/UXLd+pY82zcXhFrfmKuCDmOkB5xPsOMVQJH8I0/lbqfLAqfsxSb/X1VKaP243 jzi+DzD9cvj2K6eD5j5kcKJJQactXqfJvF1Eb+OnxlB1BCLE8D1rNkPO5O742Mq3MgDmq19l +abzEL6QDAAxn9md8KwrA3RtucNh87cHlDXfUBKa7SRvBjTczDg+HEPNk2u3hrz1j3l2rliQ y1UfYx7Vk/TrdwUIJgKS8QAr8Lw9WuvY2hSqL9vEjx8VAkPWNWPwrQ== Message-ID: Date: Sat, 14 Dec 2019 22:57:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191121015410.18852-6-bibby.hsieh@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 21/11/2019 02:54, Bibby Hsieh wrote: > GCE cannot know the register base address, this function > can help cmdq client to get the cmdq_client_reg structure. > > Signed-off-by: Bibby Hsieh > Reviewed-by: CK Hu > Reviewed-by: Houlong Wei Applied to v5.5-next/soc Thanks! > --- > 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 9094fda5a8fe..9add0fd5fa6c 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -28,6 +28,35 @@ 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 92bd5b5c6341..a74c1d5acdf3 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 client > + * @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 parsing 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 >