Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.6.132 2021-11-05T16:28:51+00:00 2021-11-05T16:28:51+00:00 Bjorn Helgaas bhelgaas@google.com 2021-11-05T16:28:51+00:00 urn:sha1:83e168d607d6783db5c18203076d3785b20e7f9e - Add MediaTek MT7621 SoC PCIe host controller (moved from staging) (Sergio Paracuellos) * pci/host/mt7621: MAINTAINERS: Add Sergio Paracuellos as MT7621 PCIe maintainer PCI: mt7621: Add MediaTek MT7621 PCIe host controller driver dt-bindings: PCI: Add MT7621 SoC PCIe host controller # Conflicts: # drivers/pci/controller/Kconfig # drivers/pci/controller/Makefile 2021-11-04T19:17:08+00:00 Alyssa Rosenzweig alyssa@rosenzweig.io 2021-09-29T16:38:37+00:00 urn:sha1:1e33888fbe44ade6e9d54eb7c6c5e92d1455ff08 Add a minimal driver to bring up the PCIe bus on Apple system-on-chips, particularly the Apple M1. This driver exposes the internal bus used for the USB type-A ports, Ethernet, Wi-Fi, and Bluetooth. Bringing up the radios requires additional drivers beyond what's necessary for PCIe itself. Co-developed-by: Stan Skowronek <stan@corellium.com> Link: https://lore.kernel.org/r/20210929163847.2807812-5-maz@kernel.org Signed-off-by: Stan Skowronek <stan@corellium.com> Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Sven Peter <sven@svenpeter.dev> 2021-10-21T15:59:18+00:00 Sergio Paracuellos sergio.paracuellos@gmail.com 2021-09-22T05:00:34+00:00 urn:sha1:2bdd5238e756aac3ecbffc7c22b884485e84062e Add driver for the PCIe controller of the MT7621 SoC. [bhelgaas: rename from pci-mt7621.c to pcie-mt7621.c; also rename Kconfig symbol from PCI_MT7621 to PCIE_MT7621] Link: https://lore.kernel.org/r/20210922050035.18162-3-sergio.paracuellos@gmail.com Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-06-17T09:42:48+00:00 Linus Walleij linus.walleij@linaro.org 2021-05-02T22:09:20+00:00 urn:sha1:f7821b49345848246692c6e0aa170c8bc6723f86 This adds a new PCI controller driver for the Intel IXP4xx (IX425, IXP435 etc), based on the XScale microarchitecture. This replaces the old driver in arch/arm/mach-ixp4xx/common-pci.c which utilized the ARM-specific BIOS32 PCI framework, and all parameterization for such things as memory and IO space as well as interrupt swizzling is done from the device tree. The plan is to phase out and delete the old driver piecemal. The __raw_writel() and __raw_readl() are used for accessing the PCI controller for the same reason that these accessors are used in the timer, IRQ and GPIO drivers: the platform will alter its address bus pattern based on whether the system is booted in big- or little-endian mode. For this reason all register on IXP4xx must always be accessed in native (CPU) endianness. This driver supports 64MB of PCI memory space, but not the indirect access of 1GB that is available in the old driver. We can address that later if and only if there are users that need all 1GB of PCI address space. Krzysztof reports having to use indirect MMIO only once for a VGA card. There is work ongoing for general indirect MMIO. (In practice the indirect MMIO is performed by writing address and writing and reading values into/from a controller register.) Tested by booting the NSLU2, attaching a USB stick, mounting and browsing the drive. Link: https://lore.kernel.org/linux-arm-kernel/m37edwuv8m.fsf@t19.piap.pl/ Cc: Arnd Bergmann <arnd@arndb.de> Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Krzysztof Halasa <khalasa@piap.pl> Cc: Zoltan HERPAI <wigyori@uid0.hu> Cc: Raylynn Knight <rayknight@me.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> 2021-05-04T15:43:28+00:00 Bjorn Helgaas bhelgaas@google.com 2021-05-04T15:43:28+00:00 urn:sha1:0b51c08bde08a8ce0f0f0b63a08d7be5cc203039 - Configure FC and FTS for functions other than 0 (Ryder Lee) - Add missing MODULE_DEVICE_TABLE (Qiheng Lin) - Add YAML schema for MediaTek (Jianjun Wang) - Export pci_pio_to_address() for module use (Jianjun Wang) - Add MediaTek MT8192 PCIe controller driver (Jianjun Wang) - Add MediaTek MT8192 INTx support (Jianjun Wang) - Add MediaTek MT8192 MSI support (Jianjun Wang) - Add MediaTek MT8192 system power management support (Jianjun Wang) * remotes/lorenzo/pci/mediatek: MAINTAINERS: Add Jianjun Wang as MediaTek PCI co-maintainer PCI: mediatek-gen3: Add system PM support PCI: mediatek-gen3: Add MSI support PCI: mediatek-gen3: Add INTx support PCI: mediatek-gen3: Add MediaTek Gen3 driver for MT8192 PCI: Export pci_pio_to_address() for module use dt-bindings: PCI: mediatek-gen3: Add YAML schema PCI: mediatek: Add missing MODULE_DEVICE_TABLE PCI: mediatek: Configure FC and FTS for functions other than 0 2021-04-29T16:34:09+00:00 Jianjun Wang jianjun.wang@mediatek.com 2021-04-20T06:17:19+00:00 urn:sha1:d3bf75b579b980b9d83a76d3b4d8bfb9f55b24ca MediaTek's PCIe host controller has three generation HWs, the new generation HW is an individual bridge, it supports Gen3 speed and compatible with Gen2, Gen1 speed. Add support for new Gen3 controller which can be found on MT8192. Link: https://lore.kernel.org/r/20210420061723.989-4-jianjun.wang@mediatek.com Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Ryder Lee <ryder.lee@mediatek.com> 2021-03-11T21:07:50+00:00 Arnd Bergmann arnd@arndb.de 2021-03-08T15:24:48+00:00 urn:sha1:6e5a1fff9096ecd259dedcbbdc812aa90986a40e There are harmless warnings when compile testing the kernel with CONFIG_TRIM_UNUSED_KSYMS: drivers/pci/controller/dwc/pcie-al.o: no symbols drivers/pci/controller/pci-thunder-ecam.o: no symbols drivers/pci/controller/pci-thunder-pem.o: no symbols The problem here is that the host drivers get built even when the configuration symbols are all disabled, as they pretend to not be drivers but are silently enabled because of the promise that ACPI-based systems need no drivers. Add back the normal symbols to have these drivers built, and change the logic to otherwise only build them when both CONFIG_PCI_QUIRKS and CONFIG_ACPI are enabled. As a side-effect, this enables compile-testing the drivers on other architectures, which in turn needs the acpi_get_rc_resources() function to be defined. Link: https://lore.kernel.org/r/20210308152501.2135937-3-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Robert Richter <rric@kernel.org> 2021-02-24T20:59:25+00:00 Bjorn Helgaas bhelgaas@google.com 2021-02-24T20:59:25+00:00 urn:sha1:0a437c50f896cecff8fa603eab9c39da9aeb90a4 - Remove tango host controller driver (Arnd Bergmann) * remotes/lorenzo/pci/tango: PCI: Remove tango host controller driver # Conflicts: # drivers/pci/controller/Makefile 2021-02-23T20:00:27+00:00 Daire McNamara daire.mcnamara@microchip.com 2021-01-25T16:29:33+00:00 urn:sha1:6f15a9c9f94133bee0d861a4bf25e10aaa95219d Add support for the Microchip PolarFire PCIe controller when configured in host (Root Complex) mode. [bhelgaas: wrap lines to fit in 80 columns, fix trivial style issues] Link: https://lore.kernel.org/r/20210125162934.5335-4-daire.mcnamara@microchip.com Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com> [lorenzo.pieralisi@arm.com: minor comments tweak] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rob Herring <robh@kernel.org> 2021-01-22T16:57:59+00:00 Arnd Bergmann arnd@arndb.de 2021-01-20T15:07:29+00:00 urn:sha1:de9427ca87cfa959abcd8bab7e38343b51219ffa The tango platform is getting removed, so the driver is no longer needed. Link: https://lore.kernel.org/r/20210120150800.1650898-1-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Mans Rullgard <mans@mansr.com> Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> Cc: Mans Rullgard <mans@mansr.com>