Commit Graph

6 Commits

Author SHA1 Message Date
Marek Vasut
e934abaac0 PCI: plda: Silence 'set affinity failed' warning
Use MSI_FLAG_NO_AFFINITY, which keeps .irq_set_affinity() unset and allows
migrate_one_irq() to exit right away, without warnings like this:

  IRQ...: set affinity failed(-22)

Remove the .irq_set_affinity() implementation that is no longer needed.

Link: https://lore.kernel.org/r/20240723132958.41320-10-marek.vasut+renesas@mailbox.org
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
2024-07-29 12:46:35 -05:00
Minda Chen
d76ef0531c PCI: plda: Pass pci_host_bridge to plda_pcie_setup_iomems()
plda_pcie_setup_iomems() needs the bridge->windows list from struct
pci_host_bridge and is currently used only by pcie-microchip-host.c.  This
driver uses pci_host_common_probe(), which sets a pci_host_bridge as the
drvdata, so plda_pcie_setup_iomems() used platform_get_drvdata() to find
the pci_host_bridge.

But we also want to use plda_pcie_setup_iomems() in the new pcie-starfive.c
driver, which does not use pci_host_common_probe() and will have struct
starfive_jh7110_pcie as its drvdata, so pass the pci_host_bridge directly
to plda_pcie_setup_iomems() so it doesn't need platform_get_drvdata() to
find it.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-9-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
[bhelgaas: commit log, reorder to where this is needed]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
2024-05-28 11:15:29 -05:00
Minda Chen
76c9113968 PCI: plda: Add host init/deinit and map bus functions
Add PLDA host plda_pcie_host_init()/plda_pcie_host_deinit() and map bus
function so vendors can use it to init PLDA PCIe host core.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-19-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mason Huo <mason.huo@starfivetech.com>
2024-05-28 11:15:29 -05:00
Minda Chen
a576fff39e PCI: plda: Add event bitmap field to struct plda_pcie_rp
PLDA DMA interrupts are not all implemented, and the non-implemented
interrupts should be masked. Add a bitmap field to mask the non-implemented
interrupts.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-18-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2024-05-28 11:15:29 -05:00
Minda Chen
4602c370bd PCI: microchip: Move IRQ functions to pcie-plda-host.c
Move IRQ related functions to common file pcie-plda-host.c

The re-use code including MSI, INTx, event interrupts and IRQ init
functions.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-17-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
2024-05-28 11:15:29 -05:00
Minda Chen
39bd5f8225 PCI: microchip: Move PLDA functions to pcie-plda-host.c
Move plda_pcie_setup_window() and plda_pcie_setup_iomems() to
pcie-plda-host.c so they can be shared by all PLDA-based drivers.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-10-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
2024-05-28 11:15:28 -05:00