On Mon, Sep 02, 2019 at 11:17:13AM +0800, Xiaowei Bao wrote: > dw_pcie_ep_raise_msix_irq was never called in the exisitng driver > before, because the ls1046a platform don't support the MSIX feature > and msix_capable was always set to false. > Now that add the ls1088a platform with MSIX support, but the existing > dw_pcie_ep_raise_msix_irq doesn't work, so use the doorbell method to > support the MSIX feature. > > Signed-off-by: Xiaowei Bao <xiaowei.bao@xxxxxxx> Reviewed-by: Andrew Murray <andrew.murray@xxxxxxx> > --- > v2: > - No change > v3: > - Modify the commit message make it clearly. > > drivers/pci/controller/dwc/pci-layerscape-ep.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c > index 1e07287..5f0cb99 100644 > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c > @@ -79,7 +79,8 @@ static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, > case PCI_EPC_IRQ_MSI: > return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num); > case PCI_EPC_IRQ_MSIX: > - return dw_pcie_ep_raise_msix_irq(ep, func_no, interrupt_num); > + return dw_pcie_ep_raise_msix_irq_doorbell(ep, func_no, > + interrupt_num); > default: > dev_err(pci->dev, "UNKNOWN IRQ type\n"); > return -EINVAL; > -- > 2.9.5 >
