linux-kernel - [PATCH 06/10] PCI: layerscape: Modify the MSIX to the doorbell way

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Date:   Thu, 15 Aug 2019 16:37:12 +0800
From:   Xiaowei Bao <xiaowei.bao@....com>
To:     jingoohan1@...il.com, gustavo.pimentel@...opsys.com,
        bhelgaas@...gle.com, robh+dt@...nel.org, mark.rutland@....com,
        shawnguo@...nel.org, leoyang.li@....com, kishon@...com,
        lorenzo.pieralisi@....com, arnd@...db.de,
        gregkh@...uxfoundation.org, minghuan.Lian@....com,
        mingkai.hu@....com, roy.zang@....com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org
Cc:     Xiaowei Bao <xiaowei.bao@....com>
Subject: [PATCH 06/10] PCI: layerscape: Modify the MSIX to the doorbell way

The layerscape platform use the doorbell way to trigger MSIX
interrupt in EP mode.

Signed-off-by: Xiaowei Bao <xiaowei.bao@....com>
---
 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 9404ca0..a0cd5ff 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -74,7 +74,8 @@ 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