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 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B8DCC433EF for ; Fri, 22 Apr 2022 12:03:20 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id A46D7831CA; Fri, 22 Apr 2022 14:03:17 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="mSmNUVL+"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 70BA783AE6; Fri, 22 Apr 2022 14:03:16 +0200 (CEST) Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 09BB482DD7 for ; Fri, 22 Apr 2022 14:03:12 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=jh80.chung@gmail.com Received: by mail-pl1-x632.google.com with SMTP id n18so10386278plg.5 for ; Fri, 22 Apr 2022 05:03:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=MpsnY30uHYMaSuB+2DBZXTH7na8DJBvcA/KX0Ga0wKk=; b=mSmNUVL+Kt2FCc+FWdm0D4INomyTzpzVDQ9+zHqQhPxA9RqvvVE0t5KrbwVvsl6bSV EJOWMuE4+Xr1EPrxbhWXeJP3cb5jDwc3vtZE2nyDEvgTRPcwHDUOABB4k4azHITck2E5 vReslnL3fqQOC675c0ESY2aTFCAcOAl857NbUigkNB1sgr0sbB/tIitc9OXbZsdMuGbl Ahaq9K5Tmt8EvhELjgHFOr/7ErQJ0/5p12qTK+ffVrZBtfH3gFZq7s3kmhP3rXST6mLd MDZVy3cP/RF80xbhecct8fwk/nVuzhF0Qwyci6ZiJ05+Ba15kkyOOCOVR4f4Ns26Taz5 luoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=MpsnY30uHYMaSuB+2DBZXTH7na8DJBvcA/KX0Ga0wKk=; b=CFYFnDruHOiVRX1d4hs2A3SMy6wVm3O0VZVIgnpQ4Ytx2OdMRhk0/0xTLN+gVWL2xq ivUUTi4QJhmO8w/gF5V9Mk6Ph8HpNeUR+rcU9D0HhckRZQ9BG0MTfSoM1oE3fDtmcN1H IMlQI9Xoi3aF0SnV8yDKFn2j7RYYMgKoSvZnIg9Fv8mebdlmckVnsUPnKzXlB+95Fxxs QDBBp5RcAa55SAscv4Q3/H3fFg/cauaWfUv9KsyaORbcvk3kZEO1m5iv0fToV8wvmh9z +XtqxjeDH78Zo4gQLJUDICtcvBZsicyixeZRaJgGgethZCMCGf1pV2roAZfWkI5t63Ze OiVA== X-Gm-Message-State: AOAM5336HYGzZDg17ULTwJ2FVK1+iCtf132/jjK4ppQwawNrG/yRJPOR IxH2DKhhiQ0nE5AIT/ABRKg= X-Google-Smtp-Source: ABdhPJxwSz/XDikadflhbfajVi7dLoR58xOr3xI7vDKa8gtZyI/uO7WNgEztxKb8PJ4VjHkrUIwWiQ== X-Received: by 2002:a17:90b:108c:b0:1cb:8d6f:d52a with SMTP id gj12-20020a17090b108c00b001cb8d6fd52amr4964132pjb.150.1650628990246; Fri, 22 Apr 2022 05:03:10 -0700 (PDT) Received: from [192.168.0.19] ([183.99.112.216]) by smtp.gmail.com with ESMTPSA id d5-20020a17090acd0500b001d5c571f487sm6196371pju.25.2022.04.22.05.03.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Apr 2022 05:03:08 -0700 (PDT) Message-ID: <11f16416-2871-5c8d-d370-0c93094c79b7@gmail.com> Date: Fri, 22 Apr 2022 21:03:06 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/4] mmc: sandbox: Initialize the status register Content-Language: en-US To: Sean Anderson , u-boot@lists.denx.de Cc: Peng Fan , Simon Glass , Jaehoon Chung References: <20220330165446.438925-1-seanga2@gmail.com> <20220330165446.438925-2-seanga2@gmail.com> From: Jaehoon Chung In-Reply-To: <20220330165446.438925-2-seanga2@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Hi On 3/31/22 01:54, Sean Anderson wrote: > The send status command expects the status register to be returned as a > response. Without writing data back, whatever is on the stack will be > interpreted as the status register. There are a lot of fields in this > register, but fortunately all zeros is interpreted as "we don't support > anything." > > Signed-off-by: Sean Anderson Reviewed-by: Jaehoon Chung Best Regards, Jaehoon Chung > --- > > drivers/mmc/sandbox_mmc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/sandbox_mmc.c b/drivers/mmc/sandbox_mmc.c > index 451fe4a4e5..35159451e1 100644 > --- a/drivers/mmc/sandbox_mmc.c > +++ b/drivers/mmc/sandbox_mmc.c > @@ -57,6 +57,7 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, > break; > case MMC_CMD_SEND_STATUS: > cmd->response[0] = MMC_STATUS_RDY_FOR_DATA; > + memset(data->dest, '\0', data->blocks * data->blocksize); > break; > case MMC_CMD_SELECT_CARD: > break;