Message ID | 20190321095927.7058-1-kishon@ti.com |
---|---|
Headers | show |
Series | PCI: DWC/Keystone: MSI configuration cleanup | expand |
On Thu, Mar 21, 2019 at 03:29:19PM +0530, Kishon Vijay Abraham I wrote: > This series tries to address the comments discussed in [1] w.r.t > removing Keystone specific callbacks defined in dw_pcie_host_ops. > > This series also tries to cleanup the Keystone interrupt handling > part. > > Changes from v4: > *) Removed legacy interrupt cleanup patch which uses hierarchy IRQ > domain since TI platform uses edge interrupt for legacy interrupt. > This will be deferred till I get more details from HW team. > > Changes from v3: > *) Uses hierarchy IRQ domain for legacy interrupts since there is 1:1 > mapping between legacy interrupt and GIC IRQ. > (MSI still depends on the order of IRQs populated in dt). > > Changes from v2: > *) Removed patch that modifies ks_pcie_legacy_irq_handler() to check the > IRQ_STATUS of INTA/B/C/D. Lorenzo's comment to create a matrix > LinuxIRQ x INTx will be added in AM654x PCIe support series > *) ks_pcie_legacy_irq_handler() is made to use hwirq to get IRQ offset > instead of virq. > *) default msi_irq_chip is assigned in dw_pcie_host_init() once keystone > assigns its msi_irq_chip > *) Fixed other minor comments from Lorenzo and Bjorn > > Changes from v1: > *) Removed "PCI: keystone: Use "dummy_irq_chip" instead of new irqchip > for legacy interrupt handling" from the patch series. It should be > handled differently. > > *) Added Gustavo's ACKed by and fixed a commit message. > > [1] -> https://patchwork.kernel.org/patch/10681587/ > > Kishon Vijay Abraham I (8): > PCI: keystone: Cleanup interrupt related macros > PCI: keystone: Add separate functions for configuring MSI and legacy > interrupt > PCI: keystone: Use hwirq to get the MSI IRQ number offset > PCI: keystone: Cleanup ks_pcie_msi_irq_handler > PCI: dwc: Add support to use non default msi_irq_chip > PCI: keystone: Use Keystone specific msi_irq_chip > PCI: dwc: Remove Keystone specific dw_pcie_host_ops > PCI: dwc: Do not write to MSI control registers if the platform > doesn't use it > > drivers/pci/controller/dwc/pci-keystone.c | 365 ++++++++++-------- > .../pci/controller/dwc/pcie-designware-host.c | 78 ++-- > drivers/pci/controller/dwc/pcie-designware.h | 6 +- > 3 files changed, 233 insertions(+), 216 deletions(-) I would need Gustavo's ACKs on dwc patches, I will queue the series then. Lorenzo
On Thu, Mar 21, 2019 at 03:29:19PM +0530, Kishon Vijay Abraham I wrote: > This series tries to address the comments discussed in [1] w.r.t > removing Keystone specific callbacks defined in dw_pcie_host_ops. > > This series also tries to cleanup the Keystone interrupt handling > part. > > Changes from v4: > *) Removed legacy interrupt cleanup patch which uses hierarchy IRQ > domain since TI platform uses edge interrupt for legacy interrupt. > This will be deferred till I get more details from HW team. > > Changes from v3: > *) Uses hierarchy IRQ domain for legacy interrupts since there is 1:1 > mapping between legacy interrupt and GIC IRQ. > (MSI still depends on the order of IRQs populated in dt). > > Changes from v2: > *) Removed patch that modifies ks_pcie_legacy_irq_handler() to check the > IRQ_STATUS of INTA/B/C/D. Lorenzo's comment to create a matrix > LinuxIRQ x INTx will be added in AM654x PCIe support series > *) ks_pcie_legacy_irq_handler() is made to use hwirq to get IRQ offset > instead of virq. > *) default msi_irq_chip is assigned in dw_pcie_host_init() once keystone > assigns its msi_irq_chip > *) Fixed other minor comments from Lorenzo and Bjorn > > Changes from v1: > *) Removed "PCI: keystone: Use "dummy_irq_chip" instead of new irqchip > for legacy interrupt handling" from the patch series. It should be > handled differently. > > *) Added Gustavo's ACKed by and fixed a commit message. > > [1] -> https://patchwork.kernel.org/patch/10681587/ > > Kishon Vijay Abraham I (8): > PCI: keystone: Cleanup interrupt related macros > PCI: keystone: Add separate functions for configuring MSI and legacy > interrupt > PCI: keystone: Use hwirq to get the MSI IRQ number offset > PCI: keystone: Cleanup ks_pcie_msi_irq_handler > PCI: dwc: Add support to use non default msi_irq_chip > PCI: keystone: Use Keystone specific msi_irq_chip > PCI: dwc: Remove Keystone specific dw_pcie_host_ops > PCI: dwc: Do not write to MSI control registers if the platform > doesn't use it > > drivers/pci/controller/dwc/pci-keystone.c | 365 ++++++++++-------- > .../pci/controller/dwc/pcie-designware-host.c | 78 ++-- > drivers/pci/controller/dwc/pcie-designware.h | 6 +- > 3 files changed, 233 insertions(+), 216 deletions(-) Applied to pci/keystone, aiming for v5.2 unless something goes wrong with testing. Lorenzo