From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiaowei Bao Subject: [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way Date: Thu, 22 Aug 2019 19:22:39 +0800 Message-ID: <20190822112242.16309-7-xiaowei.bao@nxp.com> References: <20190822112242.16309-1-xiaowei.bao@nxp.com> Return-path: In-Reply-To: <20190822112242.16309-1-xiaowei.bao@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.co, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, andrew.murray@arm.com Cc: Xiaowei Bao List-Id: devicetree@vger.kernel.org The layerscape platform use the doorbell way to trigger MSIX interrupt in EP mode. Signed-off-by: Xiaowei Bao --- v2: - No change. 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 8461f62..7ca5fe8 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