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 E7021C433EF for ; Mon, 27 Jun 2022 09:38:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233074AbiF0Jii (ORCPT ); Mon, 27 Jun 2022 05:38:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234059AbiF0Jie (ORCPT ); Mon, 27 Jun 2022 05:38:34 -0400 Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F005D636B for ; Mon, 27 Jun 2022 02:38:32 -0700 (PDT) Received: by mail-ej1-x630.google.com with SMTP id ge10so17882197ejb.7 for ; Mon, 27 Jun 2022 02:38:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=WmPX2C6ydtzsulgNUACIhoIyzrpbFjtqlAVmc9Cb5Y0=; b=aehFofxjFQo/7cMNGFiQRHj1heiLQezTlyS2q5e0mcfPdcje6SDmN3OCD323zd5l6G t4lNY8etAzjRwW+2k6WCNDhfobk6SjYlW1eBbXaVQnfVUgwBiAlqI4ThZx/eFDrzGGg3 fOfodhamDL2iguL5s5Hog2nZIQgq+Llz1Wzmz6NvZ2yfzQMSHj3QmS5msOsdRNT0BfMn d0qze/kh9RW3HE2gg+o583cSUUhTW+6t+aJpWigvwALMUs4IxzimBWH3TIXVzOGIbohp YnRCG25UorinNbTJVOwYRqwgkEUY/4exne6JyBvPianPxCt48I9Ym/j9ivFAlBdQbfK8 51rA== 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=WmPX2C6ydtzsulgNUACIhoIyzrpbFjtqlAVmc9Cb5Y0=; b=0/8cZbhp2/xZ5Luxyr0i4B1NEaH0hXWASAMQQmRR9Z9k2x9lxEXVopSfIT61SgIJ+S ybUURpxJhS3n8T3Aoyc5/83n4qrArxeCyai3hapHwab5i4fHC+t4wuAMqGCAWQoDT33y WhHbp8gZnz84PhQ9JktqoSbDBWdfOTrE/yLCBPW60OKmTp4z8q9D/EiweLwRKSq/o2Eo 6ZGGkhV31HttIhdi0ycbE6ZuXUSykmAr0KVs8rgblzWQtWiExi5j9PJqerduaVThDlTN Ns/tc0RVvJ3CJM/2VJWOFsjQ6KLVlM3wkEeLimhaAww0s0clFpNwYYm8BfsCWNe/9O1G dtLQ== X-Gm-Message-State: AJIora+ovnBF1hUluNhxyTxgoQRPKtg43tM8YLBWS17laookMh48ObDg i9P+aASSZotSg+HbSg99gWhreQ== X-Google-Smtp-Source: AGRyM1sHkr1iOyFTh+U+1JlBUYNRakdWvy7dUV8jcw5eVFRDCLL0jT9Werrdh+jycbhYMlt0agE/+w== X-Received: by 2002:a17:906:77c8:b0:722:e753:fbbe with SMTP id m8-20020a17090677c800b00722e753fbbemr11400735ejn.692.1656322711506; Mon, 27 Jun 2022 02:38:31 -0700 (PDT) Received: from [192.168.0.247] (xdsl-188-155-176-92.adslplus.ch. [188.155.176.92]) by smtp.gmail.com with ESMTPSA id m2-20020a50ef02000000b00435a997303bsm7142057eds.71.2022.06.27.02.38.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Jun 2022 02:38:30 -0700 (PDT) Message-ID: <984a7287-16e5-8f46-9ea7-fa17623f26dd@linaro.org> Date: Mon, 27 Jun 2022 11:38:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH 2/5] spi: s3c64xx: support loopback mode Content-Language: en-US To: Chanho Park , Andi Shyti , Mark Brown , Rob Herring , Krzysztof Kozlowski Cc: Alim Akhtar , devicetree@vger.kernel.org, linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20220627064707.138883-1-chanho61.park@samsung.com> <20220627064707.138883-3-chanho61.park@samsung.com> From: Krzysztof Kozlowski In-Reply-To: <20220627064707.138883-3-chanho61.park@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 27/06/2022 08:47, Chanho Park wrote: > Modern exynos SoCs can support self loopback mode via setting BIT(3) of > MODE_CFG register. Previous SoCs don't have the bit so we need to add > has_loopback field in the s3c64xx_spi_port_config. Exynos Auto v9 SoC > has the bit and it will define the field to "true". > When it is set, SPI_LOOP mode will be marked. > > Signed-off-by: Chanho Park > --- > drivers/spi/spi-s3c64xx.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof