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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAD25C7EE23 for ; Wed, 10 May 2023 12:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230047AbjEJMIN (ORCPT ); Wed, 10 May 2023 08:08:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236617AbjEJMIM (ORCPT ); Wed, 10 May 2023 08:08:12 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6D9A7D96 for ; Wed, 10 May 2023 05:08:08 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-96652cb7673so623095866b.0 for ; Wed, 10 May 2023 05:08:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683720487; x=1686312487; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=N79rnLnBBvifpn/rGywONJKqPsgsUMB/5px3PC0SkJA=; b=Evqvcrrv0vlZHKChv7OVRMequxaI02TVQV8IaRj4X+NX5lmgapKKFQHtsCjNUNbtY+ cb5Epl2tgNebU6v45utxn2CNZzJ+eMzMr2ZfCoVTRbSeHM9uz5+C4e0kilVpZ+jdo9Jy h0HVzGeVs0d0fuj8viMJJxDmkAk7VIAWQL7XpBDtoiOIZOmMav8RFMCAR4rtoF+0vml0 CVf3KJlMk1BuqGT7a7QmuBo5IkHXJqA66By67ZDIWb4EhDEuqvUkuRZsbC+Wy5pB3f2k kUMCuBnlimnbkRsv/ZBiM0SIfVHEAjVac0/GUdhiTeJxmFpZPhYKueEa4nM3W1PqITCG BOWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683720487; x=1686312487; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=N79rnLnBBvifpn/rGywONJKqPsgsUMB/5px3PC0SkJA=; b=LILNVwOuZokXnAInlGNKlVnAFc68oHykM2/ozoqjN2iCu4ZSBbgJZhEOZhOiVd3GXb jvm2SJxo1ZV3nyHyQGQF7reiXvRm4rf2uUfwdjJFfKDTopzt+WvnNPR2nWHcFhdl4Tth O1HQ1yovqWyF6T7Tm5qQH++XnJFB/Dfgg8vSJ7Kmf0seAOGS31KWa24xSxFVXz17BChz vqi0Xf6w0zUoN3/QLb+UatWxTRHPk9LWOOaTF76Kf4mc8IImM9qLHBVW06+YVkjWjrvn BPP2dZSxPhk9HrFbJM4lMKVCNH4KPFzGWNO9LEFXF6Hb6shrSIIC2Vf6UN253MMxi7nR +l/w== X-Gm-Message-State: AC+VfDwEVCCfLb2fTToBhzbrRyGW2O1YP6icO3gjEf4AMIK9zIZu0hYT 75KrCnzo7NtVnWXJ7p2zWJ6eQA== X-Google-Smtp-Source: ACHHUZ7u0aa8wR9dxWCV3LnMuyxcpEgpuKFHc8KUeQWzoxnJciQDNmuM1yiUkbRpGtwtCgKG5D/oUg== X-Received: by 2002:a17:906:478a:b0:969:b88c:b8a2 with SMTP id cw10-20020a170906478a00b00969b88cb8a2mr7297470ejc.10.1683720487193; Wed, 10 May 2023 05:08:07 -0700 (PDT) Received: from ?IPV6:2a02:810d:15c0:828:c175:a0f9:6928:8c9d? ([2a02:810d:15c0:828:c175:a0f9:6928:8c9d]) by smtp.gmail.com with ESMTPSA id d4-20020a170907272400b00965e9b435dfsm2608471ejl.65.2023.05.10.05.08.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 May 2023 05:08:06 -0700 (PDT) Message-ID: Date: Wed, 10 May 2023 14:08:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] spi: s3c64xx: Disable IRQ mode when using DMA To: Jaewon Kim , Andi Shyti , Mark Brown , Alim Akhtar Cc: linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Chanho Park , Marek Szyprowski References: <20230510113942.89994-1-jaewon02.kim@samsung.com> Content-Language: en-US From: Krzysztof Kozlowski In-Reply-To: <20230510113942.89994-1-jaewon02.kim@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org On 10/05/2023 13:39, Jaewon Kim wrote: > Fixing the problem of enabling DMA mode and IRQ mode at the same time. > In this case, a value of more than 6bits is written to RDY_LVL, it can > cause an invasion of other registers, potentially leading to SPI > transfer failure. > > Fixes: 1ee806718d5e ("spi: s3c64xx: support interrupt based pio mode") > Signed-off-by: Jaewon Kim > Reported-by: Marek Szyprowski > Tested-by: Marek Szyprowski > --- Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof