Re: Need clarity on PCIe MSI interrupt in device tree

2017-01-04 Thread valmiki
Thanks Mark On 1/4/2017 3:35 PM, Mark Rutland wrote: On Wed, Jan 04, 2017 at 08:47:43AM +0530, valmiki wrote: Hi, Hi, I have confusion on MSI interrupt flags in PCIe documetation. MSI interrupts are edge triggered, but i see some controllers use Ex:tegra <0 99 0x4>, here interrupt flags sh

Re: Need clarity on PCIe MSI interrupt in device tree

2017-01-04 Thread valmiki
Thans Marc On 1/4/2017 1:59 PM, Marc Zyngier wrote: On 04/01/17 03:17, valmiki wrote: Hi, I have confusion on MSI interrupt flags in PCIe documetation. MSI interrupts are edge triggered, but i see some controllers use Ex:tegra <0 99 0x4>, here interrupt flags show 0x4 which means level sensit

Re: Need clarity on PCIe MSI interrupt in device tree

2017-01-04 Thread Mark Rutland
On Wed, Jan 04, 2017 at 08:47:43AM +0530, valmiki wrote: > Hi, Hi, > I have confusion on MSI interrupt flags in PCIe documetation. > > MSI interrupts are edge triggered, but i see some controllers use > Ex:tegra <0 99 0x4>, here interrupt flags show 0x4 which means level > sensitive as per inclu

Re: Need clarity on PCIe MSI interrupt in device tree

2017-01-04 Thread Marc Zyngier
On 04/01/17 03:17, valmiki wrote: > Hi, > > I have confusion on MSI interrupt flags in PCIe documetation. > > MSI interrupts are edge triggered, but i see some controllers use > Ex:tegra <0 99 0x4>, here interrupt flags show 0x4 which means level > sensitive as per include/dt-bindings/interrupt

Need clarity on PCIe MSI interrupt in device tree

2017-01-03 Thread valmiki
Hi, I have confusion on MSI interrupt flags in PCIe documetation. MSI interrupts are edge triggered, but i see some controllers use Ex:tegra <0 99 0x4>, here interrupt flags show 0x4 which means level sensitive as per include/dt-bindings/interrupt-controller/irq.h. May i know why is it like