Hi Lorenzo, Thanks a lot. Best Regards, Xiaowei Song. > -----邮件原件----- > 发件人: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@xxxxxxx] > 发送时间: 2018年7月11日 19:33 > 收件人: Songxiaowei (Kirin_DRV) <songxiaowei@xxxxxxxxxxxxx> > 抄送: Wangbinghui <wangbinghui@xxxxxxxxxxxxx>; bhelgaas@xxxxxxxxxx; > robh+dt@xxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > Suzhuangluan <suzhuangluan@xxxxxxxxxxxxx>; andy.shevchenko@xxxxxxxxx; > Kongfei <kongfei@xxxxxxxxxxxxx>; chenyao (F) <chenyao11@xxxxxxxxxx> > 主题: Re: [PATCH v7 1/1] PCI: kirin: Add MSI support > > On Wed, Jul 11, 2018 at 04:09:46PM +0800, Xiaowei Song wrote: > > Add support for MSI > > > > Signed-off-by: Xiaowei Song <songxiaowei@xxxxxxxxxxxxx> > > Signed-off-by: Yao Chen <chenyao11@xxxxxxxxxx> > > --- > > drivers/pci/dwc/pcie-kirin.c | 28 ++++++++++++++++++++++++++++ > > 1 file changed, 28 insertions(+) > > Applied to pci/dwc for v4.19, thanks. > > Lorenzo > > > diff --git a/drivers/pci/dwc/pcie-kirin.c > > b/drivers/pci/dwc/pcie-kirin.c index d2970a009eb5..5352e0c3be82 > 100644 > > --- a/drivers/pci/dwc/pcie-kirin.c > > +++ b/drivers/pci/dwc/pcie-kirin.c > > @@ -430,6 +430,9 @@ static int kirin_pcie_host_init(struct pcie_port > > *pp) { > > kirin_pcie_establish_link(pp); > > > > + if (IS_ENABLED(CONFIG_PCI_MSI)) > > + dw_pcie_msi_init(pp); > > + > > return 0; > > } > > > > @@ -445,9 +448,34 @@ static const struct dw_pcie_host_ops > kirin_pcie_host_ops = { > > .host_init = kirin_pcie_host_init, > > }; > > > > +static int kirin_pcie_add_msi(struct dw_pcie *pci, > > + struct platform_device *pdev) > > +{ > > + int irq; > > + > > + if (IS_ENABLED(CONFIG_PCI_MSI)) { > > + irq = platform_get_irq(pdev, 0); > > + if (irq < 0) { > > + dev_err(&pdev->dev, > > + "failed to get MSI IRQ (%d)\n", irq); > > + return irq; > > + } > > + > > + pci->pp.msi_irq = irq; > > + } > > + > > + return 0; > > +} > > + > > static int __init kirin_add_pcie_port(struct dw_pcie *pci, > > struct platform_device *pdev) { > > + int ret; > > + > > + ret = kirin_pcie_add_msi(pci, pdev); > > + if (ret) > > + return ret; > > + > > pci->pp.ops = &kirin_pcie_host_ops; > > > > return dw_pcie_host_init(&pci->pp); > > -- > > 2.11.GIT > >
