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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id u9sm3690373edt.60.2021.08.20.07.41.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Aug 2021 07:41:34 -0700 (PDT) Subject: Re: [PATCH] ARM: dts: rockchip: remove cap-mmc-highspeed property from mk808 &mmc0 node To: Robin Murphy , heiko@sntech.de Cc: robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, paweljarosz3691@gmail.com References: <20210820131920.1831-1-jbx6244@gmail.com> From: Johan Jonker Message-ID: Date: Fri, 20 Aug 2021 16:41:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/20/21 4:17 PM, Robin Murphy wrote: > On 2021-08-20 14:19, Johan Jonker wrote: >> On the MK808 only a microSD slot is connected with the SDMMC Host >> Controller, >> so remove the cap-mmc-highspeed property from the &mmc0 node. > > Why, does it do any harm? Harm not. Example rk3066 u-boot: >>>>sd_select_mode_and_width sd card: widths [4, 1, ] modes [MMC legacy, SD High Speed (50MHz), UHS SDR12 (25MHz), UHS SDR25 (50MHz), ] host: widths [4, 1, ] modes [MMC legacy, MMC High Speed (26MHz), SD High Speed (50MHz), MMC High Speed (52MHz), ] trying mode SD High Speed (50MHz) width 4 (at 50 MHz) I would say only advertise host capabilities that are under normal circumstances occur. How realistic is it to use a TF/Micro SD TO SD Card Extension Cable Adapter (giggle) for a deprecated mmc card? Johan It's perfectly possible to connect a > full-sized card to a microSD slot with an adapter. I came across my old > SDIO WiFi card a while back and tried it that way for a giggle, but > unfortunately it turned out not to be a chipset supported by any > upstream driver. > > Robin. > >> Signed-off-by: Johan Jonker >> --- >>   arch/arm/boot/dts/rk3066a-mk808.dts | 1 - >>   1 file changed, 1 deletion(-) >> >> diff --git a/arch/arm/boot/dts/rk3066a-mk808.dts >> b/arch/arm/boot/dts/rk3066a-mk808.dts >> index 9790bc63b..b67f5cb51 100644 >> --- a/arch/arm/boot/dts/rk3066a-mk808.dts >> +++ b/arch/arm/boot/dts/rk3066a-mk808.dts >> @@ -123,7 +123,6 @@ >>     &mmc0 { >>       bus-width = <4>; >> -    cap-mmc-highspeed; >>       cap-sd-highspeed; >>       vmmc-supply = <&vcc_sd>; >>       status = "okay"; >> 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 00A9BC432BE for ; Fri, 20 Aug 2021 14:41:45 +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 C004D610FF for ; Fri, 20 Aug 2021 14:41:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C004D610FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=qWZAKHnGkOKEnv32nDpWR3+gi7AxyC9SNpoOo19yLkY=; b=1eVVr6GcTrt8VaW2Qs6EgEXE0g Ar6F+QNQBvFRphIWouRDYp5HDTrzJAwi7NwvYmplpomZXiCz06SMjczNkGXi9TI7JT8DFxULAqfR7 1T/A1ewbXKGlwJ6R2EdhxmxVxmzXLktTJLpvE3U1XrRbpBK48+WBJIUc32crByw7uftUAt8yV98Gt w+h4MvBM2DRnTM0XZ4sl2gIEi3JMUvrRnntyrrdNGVJKI3bcAX0WFtdijZQyasqrvuI0u7l6rsso4 1Hhglt07U41Ghj7QMN1SChKRV4cJgoEtI6t0hjVcMgojS7TMSjkzHZKsWJvpDAuFm8nNODQeweMEk oLRX/BdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mH5iF-00BP5F-6F; Fri, 20 Aug 2021 14:41:39 +0000 Received: from mail-ej1-x62e.google.com ([2a00:1450:4864:20::62e]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mH5iC-00BP4H-EA; Fri, 20 Aug 2021 14:41:37 +0000 Received: by mail-ej1-x62e.google.com with SMTP id gt38so20605228ejc.13; Fri, 20 Aug 2021 07:41:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=jJFscCgcBFTLxpC7110pUXSQKuAyqr9YiU5cPNgkLRY=; b=PHs1V6/5TbGtl/MKEsu/3csKKfnoqF9GCmVV2zWsJRqVDFrausf+7VEbHkw81dPDQd r+OSc4sHzlm0shGTcElQhEfpYg2GA4jQw5JhrZzEdSDOXIw1WLplB4Zsf2d/GtLAtsrx Wk6+UUSC6HTjoq4Ur8U6FkgaW7jvmjTY3iyh9WVYdcteQ0vbEXq+hoXgtqBN3jXI1XNP f0rW1DnXLmYSvgYu5/w9uYKjEo5o8N1dnJqKMch+VZ7STZPBtOGf6UDtqJaIvaF/6ChG hQufFqf8WQwv4U2zKBbJaY0FgEl6wpWzEADYDLch9d0EgZ+GRAaXOTd8F2xpvoUcwkZG 3wvg== 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:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=jJFscCgcBFTLxpC7110pUXSQKuAyqr9YiU5cPNgkLRY=; b=bZV03SX9beXMubz/roS+4/zanDqoFvQ6WHybqPoe8wKdO3aSa8k4qd1XWctOx+FhdC jcLA4AGB9Ic1MUbyYPM1JfQf70L2lbv09U7ZkpvN74Jz0fY9BO5A2D64kUwEo8LP+zgD lwdW+tgjghdVR96SvoN/ZLFiItySf1MyY3Mfdaw9N+AmONnW1Cnsj56LBYgFLIRS/Upd Npd8/xpLwv7ScQD8/7B3sS/y1QimSBObnKBrY40OFi7chRVkQZul78tHmER0VzRZCDyv QflSa+Hy3bVPAOw/gkaiEwm7qrwUEAUbK3zI3HkrgAAM1q8G0gTbsb04j5dvUpwMZvH7 guuw== X-Gm-Message-State: AOAM533MnYnA16hxzPaJ/L7yqo2sCymErbrm5L8VJnGxeM3lyc7QVyjD CSFTACzQ1+CanDI+X9hcvI0= X-Google-Smtp-Source: ABdhPJyBSABg1n6G0NysIs53gBRpj6qZ8LmORkIhGcyVpwNkvinR5Vptfj+Woq115GaynGnkh7Cdzg== X-Received: by 2002:a17:906:7d0:: with SMTP id m16mr22423561ejc.105.1629470494603; Fri, 20 Aug 2021 07:41:34 -0700 (PDT) Received: from [192.168.2.1] (81-204-249-205.fixed.kpn.net. [81.204.249.205]) by smtp.gmail.com with ESMTPSA id u9sm3690373edt.60.2021.08.20.07.41.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Aug 2021 07:41:34 -0700 (PDT) Subject: Re: [PATCH] ARM: dts: rockchip: remove cap-mmc-highspeed property from mk808 &mmc0 node To: Robin Murphy , heiko@sntech.de Cc: robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, paweljarosz3691@gmail.com References: <20210820131920.1831-1-jbx6244@gmail.com> From: Johan Jonker Message-ID: Date: Fri, 20 Aug 2021 16:41:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210820_074136_533768_F24C7281 X-CRM114-Status: GOOD ( 18.87 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id u9sm3690373edt.60.2021.08.20.07.41.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Aug 2021 07:41:34 -0700 (PDT) Subject: Re: [PATCH] ARM: dts: rockchip: remove cap-mmc-highspeed property from mk808 &mmc0 node To: Robin Murphy , heiko@sntech.de Cc: robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, paweljarosz3691@gmail.com References: <20210820131920.1831-1-jbx6244@gmail.com> From: Johan Jonker Message-ID: Date: Fri, 20 Aug 2021 16:41:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210820_074136_533768_F24C7281 X-CRM114-Status: GOOD ( 18.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiA4LzIwLzIxIDQ6MTcgUE0sIFJvYmluIE11cnBoeSB3cm90ZToKPiBPbiAyMDIxLTA4LTIw IDE0OjE5LCBKb2hhbiBKb25rZXIgd3JvdGU6Cj4+IE9uIHRoZSBNSzgwOCBvbmx5IGEgbWljcm9T RCBzbG90IGlzIGNvbm5lY3RlZCB3aXRoIHRoZSBTRE1NQyBIb3N0Cj4+IENvbnRyb2xsZXIsCj4+ IHNvIHJlbW92ZSB0aGUgY2FwLW1tYy1oaWdoc3BlZWQgcHJvcGVydHkgZnJvbSB0aGUgJm1tYzAg bm9kZS4KPiAKPiBXaHksIGRvZXMgaXQgZG8gYW55IGhhcm0/IAoKSGFybSBub3QuIEV4YW1wbGUg cmszMDY2IHUtYm9vdDoKCj4+Pj5zZF9zZWxlY3RfbW9kZV9hbmRfd2lkdGgKc2QgY2FyZDogd2lk dGhzIFs0LCAxLCAICF0gbW9kZXMgW01NQyBsZWdhY3ksIFNEIEhpZ2ggU3BlZWQgKDUwTUh6KSwg VUhTClNEUjEyICgyNU1IeiksIFVIUyBTRFIyNSAoNTBNSHopLCAICF0KaG9zdDogd2lkdGhzIFs0 LCAxLCAICF0gbW9kZXMgW01NQyBsZWdhY3ksIE1NQyBIaWdoIFNwZWVkICgyNk1IeiksIFNECkhp Z2ggU3BlZWQgKDUwTUh6KSwgTU1DIEhpZ2ggU3BlZWQgKDUyTUh6KSwgCAhdCnRyeWluZyBtb2Rl IFNEIEhpZ2ggU3BlZWQgKDUwTUh6KSB3aWR0aCA0IChhdCA1MCBNSHopCgpJIHdvdWxkIHNheSBv bmx5IGFkdmVydGlzZSBob3N0IGNhcGFiaWxpdGllcyB0aGF0IGFyZSB1bmRlciBub3JtYWwKY2ly Y3Vtc3RhbmNlcyBvY2N1ci4gSG93IHJlYWxpc3RpYyBpcyBpdCB0byB1c2UgYSBURi9NaWNybyBT RCBUTyBTRCBDYXJkCkV4dGVuc2lvbiBDYWJsZSBBZGFwdGVyIChnaWdnbGUpIGZvciBhIGRlcHJl Y2F0ZWQgbW1jIGNhcmQ/CgpKb2hhbgoKSXQncyBwZXJmZWN0bHkgcG9zc2libGUgdG8gY29ubmVj dCBhCj4gZnVsbC1zaXplZCBjYXJkIHRvIGEgbWljcm9TRCBzbG90IHdpdGggYW4gYWRhcHRlci4g SSBjYW1lIGFjcm9zcyBteSBvbGQKPiBTRElPIFdpRmkgY2FyZCBhIHdoaWxlIGJhY2sgYW5kIHRy aWVkIGl0IHRoYXQgd2F5IGZvciBhIGdpZ2dsZSwgYnV0Cj4gdW5mb3J0dW5hdGVseSBpdCB0dXJu ZWQgb3V0IG5vdCB0byBiZSBhIGNoaXBzZXQgc3VwcG9ydGVkIGJ5IGFueQo+IHVwc3RyZWFtIGRy aXZlci4KPiAKPiBSb2Jpbi4KPiAKPj4gU2lnbmVkLW9mZi1ieTogSm9oYW4gSm9ua2VyIDxqYng2 MjQ0QGdtYWlsLmNvbT4KPj4gLS0tCj4+IMKgIGFyY2gvYXJtL2Jvb3QvZHRzL3JrMzA2NmEtbWs4 MDguZHRzIHwgMSAtCj4+IMKgIDEgZmlsZSBjaGFuZ2VkLCAxIGRlbGV0aW9uKC0pCj4+Cj4+IGRp ZmYgLS1naXQgYS9hcmNoL2FybS9ib290L2R0cy9yazMwNjZhLW1rODA4LmR0cwo+PiBiL2FyY2gv YXJtL2Jvb3QvZHRzL3JrMzA2NmEtbWs4MDguZHRzCj4+IGluZGV4IDk3OTBiYzYzYi4uYjY3ZjVj YjUxIDEwMDY0NAo+PiAtLS0gYS9hcmNoL2FybS9ib290L2R0cy9yazMwNjZhLW1rODA4LmR0cwo+ PiArKysgYi9hcmNoL2FybS9ib290L2R0cy9yazMwNjZhLW1rODA4LmR0cwo+PiBAQCAtMTIzLDcg KzEyMyw2IEBACj4+IMKgIMKgICZtbWMwIHsKPj4gwqDCoMKgwqDCoCBidXMtd2lkdGggPSA8ND47 Cj4+IC3CoMKgwqAgY2FwLW1tYy1oaWdoc3BlZWQ7Cj4+IMKgwqDCoMKgwqAgY2FwLXNkLWhpZ2hz cGVlZDsKPj4gwqDCoMKgwqDCoCB2bW1jLXN1cHBseSA9IDwmdmNjX3NkPjsKPj4gwqDCoMKgwqDC oCBzdGF0dXMgPSAib2theSI7Cj4+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2Vy bmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==