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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4349310F3DCE for ; Sat, 28 Mar 2026 11:35:38 +0000 (UTC) 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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PA4xY1CL7vqt+ffj3lq1HoTgtQ+bJ+P/2/NS+Zd7JDU=; b=1Ur6D6QYOLduTB 6Hw1JBthxzkTBKU1S2ZLyCoGW5GK1mFkE5p6ZWmMyQJATs8lcGckDYb3OuamoOw5uMz5cJu7JTaoP ju+S0DGSAZ/N2ICPHILSDLzsHd3lGwuMZlVHoNhBwM4ev53ZnhobvE8+49P9s0zUUADZpmRsSXxYH pT+cPvrFqxhsFHcKjeuRrkMECMy9TI91xZEuIfdMMCk/fi37BogkORfVcJ+O7KEfJIhDVj5S8GoaG EVn7QEjxotlp4byDNhAxqZeJFFZmXXlDVhGHd1Awa/AF9PEfxSFzr25C0JK7jAMgMT7HV4cj5OrnQ KC63YKAygQoOsC2fxyvw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w6Rws-00000008t9l-1rkk; Sat, 28 Mar 2026 11:35:26 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w6Rwq-00000008t9f-1SAY for linux-riscv@lists.infradead.org; Sat, 28 Mar 2026 11:35:24 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3F01060008; Sat, 28 Mar 2026 11:35:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72712C4CEF7; Sat, 28 Mar 2026 11:35:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774697721; bh=x2Q7TtSxnkpOxsk9uvttseI3MIL3MaS4Sz0bjXpBehk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ENP4S5V5/kQIJ+6S8KKx9gONUM0FRDkVeOEZrAlBt/10uNTGp1FWEvUN6BrdsKJz1 JRUl87DCANnQWHKtvsMTzP/BK0IF7JEUO0kqT/JMnaJQGIRrt/Y2zL+g2JDWNtK4sZ KtH0bK+wreBB7VhoOIwHlAogBDfOVWleY4A4ZjHk94CRqEvmThK8r1emMsU8TAQN+u OfbP1RphpYmLb2P3u/zSSsvxzt3/btC93d4fpK6Wt8Pbs37kNYXoJbs/1yb9WJzu+Y /jCpe45q/C+lrMm+yAeocXgcnbBBY/+lX8g7sOba6B24AqujjW8bpOg+zNpJEgaWGV fLchJ/Bte7X9Q== Message-ID: Date: Sat, 28 Mar 2026 12:35:15 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/7] dt-bindings: dmaengine: Add SpacemiT K3 DMA request definitions To: Troy Mitchell , Troy Mitchell Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Vinod Koul , Frank Li , Guodong Xu , Michael Turquette , Stephen Boyd , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-clk@vger.kernel.org, liyeshan References: <20260326-k3-pdma-v2-0-ca94ca7bb595@linux.spacemit.com> <20260326-k3-pdma-v2-3-ca94ca7bb595@linux.spacemit.com> <20260327-granite-giraffe-of-infinity-ff49a3@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 28/03/2026 10:58, Troy Mitchell wrote: > On Fri Mar 27, 2026 at 3:30 PM CST, Krzysztof Kozlowski wrote: >> On Thu, Mar 26, 2026 at 04:17:18PM +0800, Troy Mitchell wrote: >>> From: liyeshan >>> >>> Add device tree binding header for SpacemiT k3 DMA request numbers. This >> >> Why? > The DMA request mappings are hardware-hardwired and differ between the K1 and K3 SoCs. > Therefore, separate header files are required to define these unique constants for each > platform to ensure correct DMA channel allocation in the device tree. Nothing explains why we want this as ABI. Header does not ensure correct DMA channel allocation. >> >>> defines the DMA request mapping for non-secure peripherals including UART, >>> I2C, SSP/SPI, CAN, and QSPI. >>> >>> Signed-off-by: liyeshan >> >> Name looks close to login name? > I will contact her and confirm. >> >>> Signed-off-by: Guodong Xu >>> Signed-off-by: Troy Mitchell >>> --- >>> include/dt-bindings/dma/k3-pdma.h | 83 +++++++++++++++++++++++++++++++++++++++ >> >> I am already confused what is happening in this patchset - so which >> device are you adding? K1 or K3? > Aside from this K1-related patch, the rest of the series focuses on adding support for > the K3 SoC. I included the K1 header because I noticed it was missing in the upstream > tree while working on the K3 support. So k3 is the new device? Then this is not a separate commit, but belongs to the bindings patch. > > It seems my attempt to 'clean up' K1 while adding K3 has caused unnecessary confusion. > Would you prefer me to remove the K1 patch from this series and submit it as a separate > patch? I expect explaining in commit msg why you are doing things. So far none of these are bindings, so drop both headers from bindings. Feel free to provide explanation what part of Linux SW you are binding here. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv