Re: [v6] PCI: imx: make msi work without CONFIG_PCIEPORTBUS=y

2019-01-01 Thread Bjorn Helgaas
On Fri, Dec 21, 2018 at 04:33:38AM +, Richard Zhu wrote: > The MSI Enable bit in the MSI Capability (PCIe r4.0, sec 7.7.1.2) > controls whether a Function can request service using MSI. > > i.MX6 Root Ports implement the MSI Capability and may use MSI to > request service for events like PME,

Re: [v6] PCI: imx: make msi work without CONFIG_PCIEPORTBUS=y

2018-12-26 Thread Trent Piepho
On Fri, 2018-12-21 at 04:33 +, Richard Zhu wrote: > The MSI Enable bit in the MSI Capability (PCIe r4.0, sec 7.7.1.2) > controls whether a Function can request service using MSI. > > i.MX6 Root Ports implement the MSI Capability and may use MSI to > request service for events like PME,

[v6] PCI: imx: make msi work without CONFIG_PCIEPORTBUS=y

2018-12-20 Thread Richard Zhu
The MSI Enable bit in the MSI Capability (PCIe r4.0, sec 7.7.1.2) controls whether a Function can request service using MSI. i.MX6 Root Ports implement the MSI Capability and may use MSI to request service for events like PME, hotplug, AER, etc. In addition, on i.MX6, the MSI Enable bit controls