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([2a01:e0a:90c:e290:d403:f5fa:8912:cba5]) by smtp.gmail.com with ESMTPSA id w4sm1764582wrt.69.2021.02.10.00.17.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Feb 2021 00:17:34 -0800 (PST) Subject: Re: brcmfmac and unaligned sdio access on Khadas VIM3L To: Marek Szyprowski , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, linux-amlogic@lists.infradead.org, "linux-mmc@vger.kernel.org" Cc: Arend van Spriel , Chung-hsien Hsu , Bartlomiej Zolnierkiewicz , martin.blumenstingl@googlemail.com, Dmitry Lebed , Hante Meuleman , Wright Feng , Chi-hsien Lin , Heiner Kallweit , Franky Lin References: <967b6bfe-a612-707f-583e-c45d61acffe0@samsung.com> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: Date: Wed, 10 Feb 2021 09:17:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <967b6bfe-a612-707f-583e-c45d61acffe0@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hi, On 09/02/2021 13:48, Marek Szyprowski wrote: > Hi > > I've noticed that the Broadcom Wifi chip performs unaligned SDIO access > during the station scan on Khadas VIM3l board. This issue went unnoticed > so far, because there was a workaround in the meson MMC driver, which > has been recently disabled by commit e085b51c74cc ("mmc: meson-gx: check > for scatterlist size alignment in block mode") from current linux-next. > > I can easily reproduce this issue with the following commands: > > # dmesg | grep brcm > [   11.659351] Bluetooth: hci0: BCM4359C0 'brcm/BCM4359C0.hcd' Patch > [   13.079767] brcmfmac: brcmf_fw_alloc_request: using > brcm/brcmfmac4359-sdio for chip BCM4359/9 > [   13.527363] brcmfmac: brcmf_fw_alloc_request: using > brcm/brcmfmac4359-sdio for chip BCM4359/9 > [   13.601269] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available > (err=-11), device may have limited channels available > [   13.619414] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4359/9 wl0: > Mar  6 2017 10:16:06 version 9.87.51.7 (r686312) FWID 01-4dcc75d9 > # ifconfig wlan0 up > [  208.052058] ieee80211 phy0: brcmf_dongle_roam: WLC_SET_ROAM_TRIGGER > error (-52) > # iw wlan0 scan >/dev/null > [  218.148345] ------------[ cut here ]------------ > [  218.148501] unaligned sg len 504 blksize 256 > [  218.153712] WARNING: CPU: 1 PID: 75 at > drivers/mmc/host/meson-gx-mmc.c:251 > meson_mmc_get_transfer_mode.isra.10+0xf8/0x130 > [  218.162616] Modules linked in: ipv6 brcmfmac brcmutil cfg80211 > dw_hdmi_cec dw_hdmi_i2s_audio hci_uart btqca btbcm bluetooth > ecdh_generic ecc crct10dif_ce rfkill panfrost > snd_soc_meson_axg_sound_card snd_soc_meson_card_utils gpu_sched > meson_gxbb_wdt rtc_hym8563 pwm_meson meson_gxl rtc_meson_vrtc rc_khadas > meson_ir reset_meson_audio_arb realtek snd_soc_meson_g12a_tohdmitx > snd_soc_meson_codec_glue snd_soc_meson_axg_tdmout > snd_soc_meson_axg_frddr snd_soc_meson_axg_fifo axg_audio sclk_div > clk_phase mdio_mux_meson_g12a meson_dw_hdmi meson_drm meson_rng > dwmac_generic snd_soc_meson_axg_tdm_interface meson_canvas rng_core > dw_hdmi snd_soc_meson_axg_tdm_formatter dwmac_meson8b stmmac_platform > stmmac display_connector adc_keys pcs_xpcs nvmem_meson_efuse > [  218.228329] CPU: 1 PID: 75 Comm: kworker/u8:2 Not tainted > 5.11.0-rc6-next-20210208 #2492 > [  218.236343] Hardware name: Khadas VIM3L (DT) > [  218.240579] Workqueue: brcmf_wq/mmc2:0001:1 brcmf_sdio_dataworker > [brcmfmac] > [  218.247559] pstate: 60400009 (nZCv daif +PAN -UAO -TCO BTYPE=--) > [  218.253506] pc : meson_mmc_get_transfer_mode.isra.10+0xf8/0x130 > [  218.259372] lr : meson_mmc_get_transfer_mode.isra.10+0xf8/0x130 > [  218.265237] sp : ffff80001327b870 > [  218.268514] x29: ffff80001327b870 x28: 0000000000000003 > [  218.273776] x27: 0000000000000218 x26: 0000000000000600 > [  218.279036] x25: ffff000003a17678 x24: 0000000000000000 > [  218.284296] x23: ffff8000121cfae8 x22: ffff800011b54000 > [  218.289559] x21: ffff80001327bb18 x20: ffff00000277d000 > [  218.294819] x19: ffff80001327ba40 x18: 00000002faf07f80 > [  218.300081] x17: 0000000000004000 x16: 0000000000000000 > [  218.305341] x15: 0000000000000380 x14: 0000000000000000 > [  218.310603] x13: 0000000000000080 x12: 0000000000000000 > [  218.315865] x11: 0000000000000000 x10: 0000000000001370 > [  218.321125] x9 : ffff00006f995258 x8 : 000000009e0e7ca7 > [  218.326387] x7 : ffff80001327b4a0 x6 : 0000000000000001 > [  218.331648] x5 : 0000000000000001 x4 : 0000000000000000 > [  218.336912] x3 : 0000000000000002 x2 : ffff8000121f4768 > [  218.342171] x1 : 42fe1bd05e5eaa00 x0 : 0000000000000000 > [  218.347435] Call trace: > [  218.349854]  meson_mmc_get_transfer_mode.isra.10+0xf8/0x130 > [  218.355368]  meson_mmc_request+0x74/0xb0 > [  218.359250]  __mmc_start_request+0xa4/0x2b0 > [  218.363390]  mmc_start_request+0x80/0xa8 > [  218.367272]  mmc_wait_for_req+0x68/0xd8 > [  218.371066]  mmc_submit_one.isra.17+0x78/0x148 [brcmfmac] > [  218.376416]  brcmf_sdiod_sglist_rw+0x324/0x4a8 [brcmfmac] > [  218.381762]  brcmf_sdiod_recv_chain+0x70/0x140 [brcmfmac] > [  218.387110]  brcmf_sdio_dataworker+0x614/0x17d0 [brcmfmac] > [  218.392545]  process_one_work+0x2a8/0x728 > [  218.396510]  worker_thread+0x48/0x460 > [  218.400132]  kthread+0x134/0x160 > [  218.403323]  ret_from_fork+0x10/0x18 > [  218.406862] irq event stamp: 15834 > [  218.410222] hardirqs last  enabled at (15833): [] > _raw_spin_unlock_irq+0x3c/0x80 > [  218.419107] hardirqs last disabled at (15834): [] > el1_dbg+0x24/0x50 > [  218.426869] softirqs last  enabled at (15828): [] > _stext+0x508/0x638 > [  218.434717] softirqs last disabled at (15823): [] > irq_exit+0x19c/0x1a8 > [  218.442739] ---[ end trace dfc38bb4458b4c37 ]--- > # > > Surprisingly the same commands executed on the Khadas VIM3 board with > the same kernel don't trigger the warning. This may be because the VIM3 (G12A & G12B) has a broken SDIO controller using an internal SRAM as bounce buffer instead of the scatter/gather DMA, cf amlogic,dram-access-quirk. > > Let me know if I can help debugging this issue. Simply remove the WARN_ONCE()... > > Best regards > Thanks for the report, Neil 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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 A5529C433E0 for ; Wed, 10 Feb 2021 08:17:46 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3F15D64E4B for ; Wed, 10 Feb 2021 08:17:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F15D64E4B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sbdKs/1gMT8zN1diyXb8+O77PNLAqsnmq23vOYyYWlI=; b=jByaPQw9y8t2EnCVC78erb49+ D16vS1IBjzPjVc3TPKXx8ZEjQfZrEXlKGeRyitm9HazUjxu56mkVtt+amjqK6EYYydNvqq9c/BwAi vhvYOU4RtBktEhAGWc+ercnyAjycLxzU2bY6Jh5XsJMcR+XE+JtnmNj2hxQ5M+MBltwc4PB6SBCwI OAJpXID/tvv6o5+imi25s/NklkoyLIc4l3t3ouqRsJUOUbcqHFdBNdR9pMxADLND5/ML9Z0jQbyQI odHl2ihLHbsKAWvybWe6yJZEe1DozhxY6tKp+sIgwd5Tm/NwkRZfldCie1N7WJxjAGAOGHntwQi08 2h0ZNRDoQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9kgt-0003mq-4V; Wed, 10 Feb 2021 08:17:39 +0000 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9kgq-0003lq-LP for linux-amlogic@lists.infradead.org; Wed, 10 Feb 2021 08:17:37 +0000 Received: by mail-wr1-x431.google.com with SMTP id m13so1386877wro.12 for ; Wed, 10 Feb 2021 00:17:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:autocrypt:organization:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=xUSMbo8DN8lxVA7sy/ugigRxnZYqVwKNoYAuB03/fJ8=; b=UPB/s9GsZyS5QgBUeiWZTOKpfskz2xy3L+SkhJ1L/hOhf6QPBoeZa5nToP5t60gnSD oBZuvzAU2qXUaCxVQOUbF6VhpgSxZiCGCpZBOp+M1Fhl+HeicMsIUoW62OG7claWxtgt EkU69yqMqw78UE5wZOWpXsnVDMNE4+nbkJX89ysF7skIRqjsRm28RqG+K4ZFnu9eAxbG aPX1u+VDGc61+KBma3HG/P2gIVdohA8wL//msrhzUQMN3qkfVsqaOsGimvHWq9FYL5OQ SNVYepqyCQEj9PjRsJiuxUq+OZGXRSW1Kkho3tsXFK+FEjhKfBH+CQxq6bfVdIajgBV/ lRAg== 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 :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=xUSMbo8DN8lxVA7sy/ugigRxnZYqVwKNoYAuB03/fJ8=; b=RBgn3tyRyn8t09gxDTXgu/wiP5j9S44i5gDkdRaFEReAIHRgsOFp7058TvE+wuYGjR k3EHdBQuK+ucxyOQsm7lZ0CJEc0Puipux6SgbImTJtwMr5YgpgWdIJqGfZ/LxovUC31x vx7mibm/0HtsVk7s011o/RVzAB0t/z33sGaYfNb1o1dyKggsc7gekDykBRy5Ky1ynN2V 40KNDFDdUTHE6IqH/F9Wc2ZeD7gnrLUvcLkp8pkeIntChOH29YtRpVxIRgp9aO3jJZ42 OiBEi3+FgBzUIJKrBs2a84Y10rph5COSVH9Sqr0extwVODfehFYUKFNvnlmlM7jOy3q9 437A== X-Gm-Message-State: AOAM530dt6H/qGH3UsrwWQ7vZXR3AGY82YrH9ag/kSIKrvzqojExaN1T Bx7pgnOy1obtjcw2x24NMz86Bw== X-Google-Smtp-Source: ABdhPJxipEJlcg6V6l0SLw6gV9NtTxqTuZ4HqXVz4f7HVurBYnAyY3OhKfD1e4ta6q6wQziN+MEq0A== X-Received: by 2002:a5d:55c6:: with SMTP id i6mr2310763wrw.145.1612945054881; Wed, 10 Feb 2021 00:17:34 -0800 (PST) Received: from ?IPv6:2a01:e0a:90c:e290:d403:f5fa:8912:cba5? ([2a01:e0a:90c:e290:d403:f5fa:8912:cba5]) by smtp.gmail.com with ESMTPSA id w4sm1764582wrt.69.2021.02.10.00.17.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Feb 2021 00:17:34 -0800 (PST) Subject: Re: brcmfmac and unaligned sdio access on Khadas VIM3L To: Marek Szyprowski , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, linux-amlogic@lists.infradead.org, "linux-mmc@vger.kernel.org" References: <967b6bfe-a612-707f-583e-c45d61acffe0@samsung.com> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB 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Wright Feng , Franky Lin , Heiner Kallweit Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org SGksCgpPbiAwOS8wMi8yMDIxIDEzOjQ4LCBNYXJlayBTenlwcm93c2tpIHdyb3RlOgo+IEhpCj4g Cj4gSSd2ZSBub3RpY2VkIHRoYXQgdGhlIEJyb2FkY29tIFdpZmkgY2hpcCBwZXJmb3JtcyB1bmFs aWduZWQgU0RJTyBhY2Nlc3MgCj4gZHVyaW5nIHRoZSBzdGF0aW9uIHNjYW4gb24gS2hhZGFzIFZJ TTNsIGJvYXJkLiBUaGlzIGlzc3VlIHdlbnQgdW5ub3RpY2VkIAo+IHNvIGZhciwgYmVjYXVzZSB0 aGVyZSB3YXMgYSB3b3JrYXJvdW5kIGluIHRoZSBtZXNvbiBNTUMgZHJpdmVyLCB3aGljaCAKPiBo YXMgYmVlbiByZWNlbnRseSBkaXNhYmxlZCBieSBjb21taXQgZTA4NWI1MWM3NGNjICgibW1jOiBt ZXNvbi1neDogY2hlY2sgCj4gZm9yIHNjYXR0ZXJsaXN0IHNpemUgYWxpZ25tZW50IGluIGJsb2Nr IG1vZGUiKSBmcm9tIGN1cnJlbnQgbGludXgtbmV4dC4KPiAKPiBJIGNhbiBlYXNpbHkgcmVwcm9k dWNlIHRoaXMgaXNzdWUgd2l0aCB0aGUgZm9sbG93aW5nIGNvbW1hbmRzOgo+IAo+ICMgZG1lc2cg fCBncmVwIGJyY20KPiBbwqDCoCAxMS42NTkzNTFdIEJsdWV0b290aDogaGNpMDogQkNNNDM1OUMw 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