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Currently DesignWare IP does not handle legacy interrupts.
Add a legacy interrupt callback handler.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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Remove duplicate defines located on pcie-designware.h file already
available on /include/uapi/linux/pci-regs.h file.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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Add PCIe config space capability search function.
Add sysfs set/get interface to allow the change of EP MSI-X maximum number.
Add EP MSI-X callback for triggering interruptions.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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Change {cdns, dra7xx, artpec6, dw, rockchip}_pcie_ep_raise_irq() and
pci_epc_raise_irq() signature, namely the interrupt_num variable type
from u8 to u16 to accommodate 2048 maximum MSI-X interrupts.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Alan Douglas <adouglas@cadence.com>
Acked-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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Native PCI drivers for root complex devices were originally all in
drivers/pci/host/. Some of these devices can also be operated in endpoint
mode. Drivers for endpoint mode didn't seem to fit in the "host"
directory, so we put both the root complex and endpoint drivers in
per-device directories, e.g., drivers/pci/dwc/, drivers/pci/cadence/, etc.
These per-device directories contain trivial Kconfig and Makefiles and
clutter drivers/pci/. Make a new drivers/pci/controllers/ directory and
collect all the device-specific drivers there.
No functional change intended.
Link: https://lkml.kernel.org/r/1520304202-232891-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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