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 51EDCCAC59A for ; Thu, 18 Sep 2025 16:07:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+F4TaAJ1+I3lApf7Zbx5vaj8m+LuxzrlFuwgun2z2qg=; b=RLXR+/I4jXuoFmBv71izEF7Ag7 fMz2FCXnSy336FYn+TP231kGUDUKCbpBZpOSaZu6FwksITok/Zp6hmJcDIWXtWIQU0JY9+qij+AC7 Ow0Ab3v9ho92iOk7nphxf1E457T8yEm/pgfwPJeMmmqnM7F2qpa0lAuySezQ/jW5mP1bDdNXcv/Fd D4cKK9y54Bc1y+8UwnWHglIfudXilN8RD5pF7hd8iX3kCSwK1om1s754E8hZuVdCzgE3ptT49hqoI ceFW95nuuxsSPnTuhEYzWkQf87lH73QIB4X8GlXCUzyve/Fa2WZhxBjU5r4uiBjnk1AJ9JOCXeFkP ksrZkWHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzH9o-00000000Yfd-0qwL; Thu, 18 Sep 2025 16:06:52 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzH9l-00000000YeA-1J3Y; Thu, 18 Sep 2025 16:06:51 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=+F4TaAJ1+I3lApf7Zbx5vaj8m+LuxzrlFuwgun2z2qg=; b=VoslzeLwepJmNzjMIsPuSVmsXt V++kPbTcSCQW75otpc1HAvdiq4J1Rniab/l5JMYEG72uAk147fN/5Fs7Rb5PX1v6jASWgOMrVNXCu tWl2TLPi4OuJlXdtmN95amPcIDonK64CvmXTX3KKasnbO2Ttt7WYAneSc9pTTaI1PvAUUzJfTvx0V wyVrrQfpv4T25Mq/TTedTcN34tBQsXndl0u81m/lrpE6Z6PbTJsk1ZcIH9Hs1XzeHRO8PPgA3pp22 PyAjQZF8g1LIWPt6zhfgpWY4FWVovVItYSU4uB3vF7rxy+xT/mYuDv9LEdsvvDXkVNh6NvanSL72i 52jE1RoQ==; Received: from i53875b0a.versanet.de ([83.135.91.10] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uzH9T-0001tG-MC; Thu, 18 Sep 2025 18:06:31 +0200 From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof =?UTF-8?B?V2lsY3p5xYRza2k=?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Lin , Simon Xue , Yao Zi Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas Karlman , Chukun Pan , Yao Zi Subject: Re: [PATCH v2 1/3] dt-bindings: PCI: dwc: rockchip: Add RK3528 variant Date: Thu, 18 Sep 2025 18:06:30 +0200 Message-ID: <2042643.CrzyxZ31qj@diego> In-Reply-To: <20250918153057.56023-2-ziyao@disroot.org> References: <20250918153057.56023-1-ziyao@disroot.org> <20250918153057.56023-2-ziyao@disroot.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250918_090649_371281_5CD0876A X-CRM114-Status: GOOD ( 11.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Donnerstag, 18. September 2025, 17:30:55 Mitteleurop=C3=A4ische Sommerze= it schrieb Yao Zi: > RK3528 ships a PCIe Gen2x1 controller that operates in RC mode only. > Since the SoC has no separate MSI controller, the one integrated in the > DWC PCIe IP must be used, and thus its interrupt scheme is similar to > variants found in RK3562 and RK3576. >=20 > Older BSP code claimed its integrated MSI controller supports only 8 > MSIs[1], but this has been changed in newer BSP[2] and testing proves > the controller works correctly with more than 8 MSIs allocated, > suggesting the controller should be compatible with the RK3568 variant. > Let's document its compatible string. >=20 > Link: https://github.com/rockchip-linux/kernel/blob/792a7d4273a5/drivers/= pci/controller/dwc/pcie-dw-rockchip.c#L1610-L1613 # [1] > Link: https://github.com/rockchip-linux/kernel/blob/1ba51b059f25/drivers/= pci/controller/dwc/pcie-dw-rockchip.c#L904-L906 # [2] > Signed-off-by: Yao Zi > Acked-by: Rob Herring (Arm) Acked-by: Heiko Stuebner This likely should to go through the PCI tree. (or needs an Ack from PCI maintainers, for me to pick it up) Heiko