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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773320576; bh=TgSk+4s2logLCJYw1/1V/0WBGOGe8vlm4vuaxQUrDRo=; h=From:To:Cc:Subject:Date:From; b=l9mus12TCdN4ONMZHKmRMj7JZrcmLc6V/uu15lWYvKQwiyXIeEccIOyh9QWblL840 XKM9Xj20k3BUXAaQOUbsjssa36sXddRoOn+uRISawFuV/ynuA8loLqmzVY9HKBy8Bo OjxdKGCE0Bfv/BXS+gzNCxBUQFPqi9bwEC9IWLa50KFU/wHaTQiY0fQ+Fnyb1zQd+j qMeTgvH6J3q+E9LZyxMAdMjNGGxOVx0WqEKl4wo6QB3VrnwudN4kwgt/eKKj1CqQJ5 p7QaIEBtR82xTJJxeiMar/y7cMH4nNfKM+k8CkFlOsZ2HuDTwU4gBQ2ce0bX39jILm 3gn4Z9eMAEnSw== From: Niklas Cassel To: Manivannan Sadhasivam , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Arnd Bergmann , Greg Kroah-Hartman , Vignesh Raghavendra , Siddharth Vadapalli , Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Richard Zhu , Lucas Stach , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Minghuan Lian , Mingkai Hu , Roy Zang , Jesper Nilsson , Jingoo Han , Heiko Stuebner , Srikanth Thokala , Marek Vasut , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm , Christian Bruel , Maxime Coquelin , Alexandre Torgue , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masami Hiramatsu , Shuah Khan Cc: Manikanta Maddireddy , Koichiro Den , Damien Le Moal , Niklas Cassel , linux-pci@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH v4 00/10] PCI: endpoint: Differentiate between disabled and reserved BARs Date: Thu, 12 Mar 2026 14:02:28 +0100 Message-ID: <20260312130229.2282001-12-cassel@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2686; i=cassel@kernel.org; h=from:subject; bh=TgSk+4s2logLCJYw1/1V/0WBGOGe8vlm4vuaxQUrDRo=; b=owGbwMvMwCV2MsVw8cxjvkWMp9WSGDI37UzN2dLNHDzr3bFkpbmbuvLOSQax7F/j874n3+aSi KahfSdLRykLgxgXg6yYIovvD5f9xd3uU44r3rGBmcPKBDKEgYtTACbydSYjw1PmY1NLXJUtzn+R 6X1joBrv12+ZfCb7h5VwRsB0F9bjFxkZVoT+ns4Zd255TqnKJrPrnfdf5v57cd3wNjOP3VTX8r9 LGAA= X-Developer-Key: i=cassel@kernel.org; a=openpgp; fpr=5ADE635C0E631CBBD5BE065A352FE6582ED9B5DA Content-Transfer-Encoding: 8bit Hello all, This series was originally written in response to the patch series from Manikanta Maddireddy that was posted here: https://lore.kernel.org/linux-pci/291dab65-3fa6-4fc8-90a2-4ad608ca015c@nvidia.com/T/#t Manikanta has reviewed this series and will send a small series on top of this one. Changes since v3: -Modified patch 1 to simply drop BAR_RESERVED for a BAR following an only_64bit BAR (Manivannan). -Added a patch from Manikanta, to make his follow-up series smaller, since this series touches the same lines anyway. Link to v3: https://lore.kernel.org/linux-pci/20260302095913.48155-11-cassel@kernel.org/ Koichiro Den (2): PCI: endpoint: Describe reserved subregions within BARs PCI: dw-rockchip: Describe RK3588 BAR4 DMA ctrl window Manikanta Maddireddy (1): PCI: endpoint: Allow only_64bit on BAR_RESERVED Niklas Cassel (7): PCI: endpoint: Do not mark the BAR succeeding a 64-bit BAR as BAR_RESERVED PCI: endpoint: Introduce pci_epc_bar_type BAR_DISABLED PCI: dwc: Replace certain BAR_RESERVED with BAR_DISABLED in glue drivers PCI: dwc: Disable BARs in common code instead of in each glue driver PCI: endpoint: pci-epf-test: Advertise reserved BARs misc: pci_endpoint_test: Give reserved BARs a distinct error code selftests: pci_endpoint: Skip reserved BARs drivers/misc/pci_endpoint_test.c | 21 ++++++++- drivers/pci/controller/dwc/pci-dra7xx.c | 4 -- drivers/pci/controller/dwc/pci-imx6.c | 22 +++------ drivers/pci/controller/dwc/pci-keystone.c | 12 +++++ .../pci/controller/dwc/pci-layerscape-ep.c | 6 --- drivers/pci/controller/dwc/pcie-artpec6.c | 4 -- .../pci/controller/dwc/pcie-designware-ep.c | 24 ++++++++++ .../pci/controller/dwc/pcie-designware-plat.c | 10 ---- drivers/pci/controller/dwc/pcie-dw-rockchip.c | 23 ++++++---- drivers/pci/controller/dwc/pcie-keembay.c | 3 -- drivers/pci/controller/dwc/pcie-qcom-ep.c | 12 ----- drivers/pci/controller/dwc/pcie-rcar-gen4.c | 16 ++----- drivers/pci/controller/dwc/pcie-stm32-ep.c | 10 ---- drivers/pci/controller/dwc/pcie-tegra194.c | 19 ++------ drivers/pci/controller/dwc/pcie-uniphier-ep.c | 19 +------- drivers/pci/controller/pcie-rcar-ep.c | 3 -- drivers/pci/endpoint/functions/pci-epf-test.c | 24 ++++++++++ drivers/pci/endpoint/pci-epc-core.c | 5 +- include/linux/pci-epc.h | 46 +++++++++++++++---- .../pci_endpoint/pci_endpoint_test.c | 4 ++ 20 files changed, 154 insertions(+), 133 deletions(-) base-commit: 0b74f7d72399d4c4422ed3d68ef28b3612f71e74 -- 2.53.0