diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 2 | ||||
| -rw-r--r-- | drivers/pci/host/pcie-xilinx.c | 19 |
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 69486be7181e..b48b8a2c50b9 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -388,7 +388,7 @@ int dw_pcie_host_init(struct pcie_port *pp) addrp = of_get_address(np, index, NULL, NULL); pp->cfg0_mod_base = of_read_number(addrp, ns); pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size; - } else { + } else if (!pp->va_cfg0_base) { dev_err(pp->dev, "missing *config* reg space\n"); } diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c index f1a06a091ccb..dcb9b57ed7ea 100644 --- a/drivers/pci/host/pcie-xilinx.c +++ b/drivers/pci/host/pcie-xilinx.c @@ -449,14 +449,17 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data) return IRQ_HANDLED; } - /* Clear interrupt FIFO register 1 */ - pcie_write(port, XILINX_PCIE_RPIFR1_ALL_MASK, - XILINX_PCIE_REG_RPIFR1); - - /* Handle INTx Interrupt */ - val = ((val & XILINX_PCIE_RPIFR1_INTR_MASK) >> - XILINX_PCIE_RPIFR1_INTR_SHIFT) + 1; - generic_handle_irq(irq_find_mapping(port->irq_domain, val)); + if (!(val & XILINX_PCIE_RPIFR1_MSI_INTR)) { + /* Clear interrupt FIFO register 1 */ + pcie_write(port, XILINX_PCIE_RPIFR1_ALL_MASK, + XILINX_PCIE_REG_RPIFR1); + + /* Handle INTx Interrupt */ + val = ((val & XILINX_PCIE_RPIFR1_INTR_MASK) >> + XILINX_PCIE_RPIFR1_INTR_SHIFT) + 1; + generic_handle_irq(irq_find_mapping(port->irq_domain, + val)); + } } if (status & XILINX_PCIE_INTR_MSI) { |