From: Andrew Murray <andrew.murray@arm.com> To: Xiaowei Bao <xiaowei.bao@nxp.com> Cc: mark.rutland@arm.com, roy.zang@nxp.com, lorenzo.pieralisi@arm.co, arnd@arndb.de, devicetree@vger.kernel.org, gregkh@linuxfoundation.org, linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, kishon@ti.com, minghuan.Lian@nxp.com, robh+dt@kernel.org, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, bhelgaas@google.com, leoyang.li@nxp.com, shawnguo@kernel.org, mingkai.hu@nxp.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way Date: Fri, 23 Aug 2019 14:58:16 +0100 Message-ID: <20190823135816.GH14582@e119886-lin.cambridge.arm.com> (raw) In-Reply-To: <20190822112242.16309-7-xiaowei.bao@nxp.com> On Thu, Aug 22, 2019 at 07:22:39PM +0800, Xiaowei Bao wrote: > The layerscape platform use the doorbell way to trigger MSIX > interrupt in EP mode. > I have no problems with this patch, however... Are you able to add to this message a reason for why you are making this change? Did dw_pcie_ep_raise_msix_irq not work when func_no != 0? Or did it work yet dw_pcie_ep_raise_msix_irq_doorbell is more efficient? Thanks, Andrew Murray > Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com> > --- > 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 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply index Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-22 11:22 [PATCH v2 01/10] PCI: designware-ep: Add multiple PFs support for DWC Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 02/10] PCI: designware-ep: Add the doorbell mode of MSI-X in EP mode Xiaowei Bao 2019-08-23 13:35 ` Andrew Murray 2019-08-23 23:51 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 03/10] PCI: designware-ep: Move the function of getting MSI capability forward Xiaowei Bao 2019-08-23 13:38 ` Andrew Murray 2019-08-24 0:20 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 04/10] dt-bindings: pci: layerscape-pci: add compatible strings for ls1088a and ls2088a Xiaowei Bao 2019-08-27 22:26 ` Rob Herring 2019-08-29 9:19 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 05/10] PCI: layerscape: Fix some format issue of the code Xiaowei Bao 2019-08-23 13:45 ` Andrew Murray 2019-08-24 0:00 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 06/10] PCI: layerscape: Modify the way of getting capability with different PEX Xiaowei Bao 2019-08-22 11:43 ` Kishon Vijay Abraham I 2019-08-23 2:39 ` Xiaowei Bao 2019-08-23 3:39 ` Kishon Vijay Abraham I 2019-08-23 4:13 ` Xiaowei Bao 2019-09-02 13:36 ` Andrew Murray 2019-09-03 2:11 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way Xiaowei Bao 2019-08-23 13:58 ` Andrew Murray [this message] 2019-08-24 0:08 ` Xiaowei Bao 2019-08-27 13:25 ` Andrew Murray 2019-08-28 2:49 ` Xiaowei Bao 2019-08-29 5:13 ` Kishon Vijay Abraham I 2019-11-05 12:37 ` Lorenzo Pieralisi 2019-11-06 9:33 ` Xiaowei Bao 2019-11-06 9:40 ` Gustavo Pimentel 2019-11-06 10:03 ` Xiaowei Bao 2019-11-06 13:39 ` Kishon Vijay Abraham I 2019-11-06 15:40 ` Gustavo Pimentel 2019-08-22 11:22 ` [PATCH v2 08/10] PCI: layerscape: Add EP mode support for ls1088a and ls2088a Xiaowei Bao 2019-08-23 14:27 ` Andrew Murray 2019-08-24 0:18 ` Xiaowei Bao 2019-08-24 6:45 ` christophe leroy 2019-08-25 3:07 ` Xiaowei Bao 2019-08-27 14:48 ` Andrew Murray 2019-08-28 3:25 ` Xiaowei Bao 2019-08-26 9:49 ` Xiaowei Bao 2019-08-27 13:34 ` Andrew Murray 2019-08-28 4:29 ` Xiaowei Bao 2019-08-28 9:01 ` Andrew Murray 2019-08-29 2:03 ` Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 09/10] arm64: dts: layerscape: Add PCIe EP node for ls1088a Xiaowei Bao 2019-08-22 11:22 ` [PATCH v2 10/10] misc: pci_endpoint_test: Add LS1088a in pci_device_id table Xiaowei Bao 2019-08-23 13:25 ` [PATCH v2 01/10] PCI: designware-ep: Add multiple PFs support for DWC Andrew Murray 2019-08-23 23:50 ` Xiaowei Bao 2019-08-27 13:10 ` Andrew Murray 2019-08-28 7:22 ` Xiaowei Bao
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