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[209.17.68.221]) by smtp.gmail.com with UTF8SMTPSA id 98e67ed59e1d1-30516d61686sm1690708a91.22.2025.03.28.05.36.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Mar 2025 05:36:16 -0700 (PDT) Date: Fri, 28 Mar 2025 21:36:14 +0900 From: Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= To: Niklas Cassel Cc: Shawn Lin , Lorenzo Pieralisi , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Heiko Stuebner , linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] PCI: rockchip-ep: Mark RK3399 as intx_capable Message-ID: <20250328123614.GA1188225@rocinante> References: <20250326200115.3804380-2-cassel@kernel.org> <20250328122123.GA1187318@rocinante> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250328122123.GA1187318@rocinante> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250328_053618_062956_FC271154 X-CRM114-Status: GOOD ( 12.23 ) 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 Hello, > > RK3399 can raise INTx interrupts, as can be seen by > > rockchip_pcie_ep_send_intx_irq(). > > > > This is also in line with the register description of > > PCIE_CLIENT_LEGACY_INT_CTRL, section "17.6.3 PCIe Client Detail Register > > Description" of the RK3399 TRM. > > > > Thus, mark RK3399 as intx_capable. > > Replaced the following commit: > > e55c67837a8c ("PCI: dw-rockchip: Endpoint mode cannot raise INTx interrupts") > > With this one directly on the "endpoint-test" branch. This is per the > conversation at: > > https://lore.kernel.org/linux-pci/20250318103330.1840678-6-cassel@kernel.org > > Thank you! That said, Bjorn is preparing this Pull Request, this might not make the cut at this time. Krzysztof