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Wed, 03 Dec 2025 17:27:40 -0800 (PST) Received: from localhost ([2a00:79e0:2e7c:8:e953:f750:77d0:7f01]) by smtp.gmail.com with UTF8SMTPSA id 5a478bee46e88-2aba8395d99sm991052eec.1.2025.12.03.17.27.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Dec 2025 17:27:39 -0800 (PST) Date: Wed, 3 Dec 2025 17:27:38 -0800 From: Brian Norris To: Qiang Yu Cc: Shawn Lin , Manivannan Sadhasivam , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Jingoo Han , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH 3/5] PCI: dwc: Remove MSI/MSIX capability if iMSI-RX is used as MSI controller Message-ID: References: <20251109-remove_cap-v1-0-2208f46f4dc2@oss.qualcomm.com> <20251109-remove_cap-v1-3-2208f46f4dc2@oss.qualcomm.com> <7d4xj3tguhf6yodhhwnsqp5s4gvxxtmrovzwhzhrvozhkidod7@j4w2nexd5je2> <3ac0d6c5-0c49-45fd-b855-d9b040249096@rock-chips.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Nov 28, 2025 at 01:57:11AM -0800, Qiang Yu wrote: > On Fri, Nov 21, 2025 at 12:04:09PM +0800, Shawn Lin wrote: > > 在 2025/11/21 星期五 1:00, Manivannan Sadhasivam 写道: > > Could you please help your IP version with below patch? > > It's in hex format, you could convert each pair of hex > > characters to ASCII, i.g, 0x3437302a is 4.70a. The reason > > is we asked Synopsys to help check this issue before, then > > we were informed that they have supported it at least since > > IP version 6.0x. So we may have to limit the version first. > > > > Hi Shawn, > > I checked the IP version of PCIe core on glymur, it is 6.00a (0x3630302A) > and iMSI-RX still can't generate MSI for rootport. Same here, I have chips with 0x3630302A / 6.00a, and MSI does not work for the root port. This series tests out fine for me, so: Tested-by: Brian Norris