From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 202685695; Sun, 4 May 2025 16:13:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746375216; cv=none; b=LCuYGpORRphf9WgYFbLIRLGetQYpuxNvqY6IYdnd/W4ejbOMDsY8Yyfu3NpMxlSFl4fgV/EmdvLRzAOT1jACr6t8FuknKx5S+R5JR7qi9mniJSKERhKqlIeDPk/16ZPdxS3SCYnqT4JEyzmV0sKlowZt5pXaGRv4kmHDVeGqIlA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746375216; c=relaxed/simple; bh=gnfvGF5umEPHtAwOpL7GT8GArnNx+24y7yXlpuUgoh4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Os9KOyLaHJRO996gQW6b3SuJ7zlc4FY6UOo38WdS2jtmYn9EXMmMqf+eUNAaAOzp93yxgJbwf7CgSY+EVkQecZo5dDuksd1zYmufVq5IxnlrO/ZWWiSoAXJOqkQqL8Q7wDpLeFrriZh+7rs2s+hp1eJXOMCy8Hxgwhgcjozmitw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z9osQcVM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z9osQcVM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32721C4CEE7; Sun, 4 May 2025 16:13:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746375213; bh=gnfvGF5umEPHtAwOpL7GT8GArnNx+24y7yXlpuUgoh4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Z9osQcVMXzJi1v6e35fstCW+Q1WW8evam2sBWGak6A4RdMWopNyU4Uaf0EudQz48m 5r1xAPro0y8Qvu5R4GBOUzstwL1mUDxZoSDlnc/u4pMtHCnoebA9h2GPSpzh3S8nn3 EWSCAVQKLlnvE6AtmU9mEnKexAYFh5ajWfhCtDShRAoqMvUm+Zi3lCelaH0/eIf9rG xrOkRh75TpZh539k0iIbVwf2ESIv+dd0SE5tl2R9iIjpuPFMn6pknCaqbMS8FXBU3h FQ+xypd23+99+2zN+U7fV2VDmUBQ1vMSNCGSQmKbmffjOxMA1aujpo7rBvQ6Zdt8Zr 3/CREr04jSuCg== Message-ID: Date: Sun, 4 May 2025 18:13:30 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] memory: tegra210-emc: Support Device Tree EMC Tables To: Aaron Kling Cc: Thierry Reding , Jonathan Hunter , linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org References: <20250430-tegra210-emc-dt-v1-1-99896fa69341@gmail.com> <0dcf786f-d93a-4526-bdc6-e11d59347f98@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 04/05/2025 17:58, Aaron Kling wrote: >>> +static int tegra210_emc_parse_dt(struct tegra210_emc *emc) >>> +{ >>> + struct device_node *node, *np = emc->dev->of_node; >>> + int ram_code, ret = 0; >>> + >>> + if (!np) { >>> + dev_err(emc->dev, "Unable to find emc node\n"); >>> + return -ENODEV; >>> + } >>> + >>> + if (of_find_property(np, "nvidia,use-ram-code", NULL)) { >> >> I cannot find the bindings for this. Where is your DTS? Was it tested? >> >> It seems nothing here is documented. > > The relevant nodes are filled in by the bootloader. I had hoped that > the early stage bootloader would be able to copy that into the It does not matter. You cannot have compatibles and ABI here without documenting that ABI. Best regards, Krzysztof