Dear all,
I am using an imx6 controller where a FPGA-device is connected via PCI
express.
To use the FPGA in realtime I try to claim the IRQ 155 using
rtdm_irq_request() but the IRQ is hold by the linux domain.
It looks like the default driver claims the IRQ, but I have my own
driver that is linked to the device if we can trust the output of lspci
Has anyone of you an idea what could be the reason for this issue or an
idea how to fix it ?
> cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
...
150: 39833 0 0 0 GIC 2188000.ethernet
151: 0 0 0 0 GIC 2188000.ethernet
155: 0 0 0 0 GIC PCIe PME
...
> lspci -v
00:00.0 PCI bridge: Device 16c3:abcd (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Memory at 01000000 (32-bit, non-prefetchable) [size=1M]
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: 01100000-012fffff
[virtual] Expansion ROM at 01300000 [disabled] [size=64K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
Capabilities: [70] Express Root Port (Slot-), MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Kernel driver in use: pcieport
01:00.0 ACCESS Bus: Device 5112:0c00
Subsystem: Device 5112:0c00
Flags: bus master, fast devsel, latency 0, IRQ 155
Memory at 01100000 (32-bit, non-prefetchable) [size=1M]
Memory at 01200000 (32-bit, non-prefetchable) [size=1M]
Capabilities: [40] Power Management version 3
Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [58] Express Endpoint, MSI 00
Capabilities: [100] Device Serial Number 00-00-00-01-01-00-0a-35
Kernel driver in use: Sigmatek PCIE
Kind regards
--
Wolfgang Netbal
Softwareentwicklung
________________________________
SIGMATEK GmbH & Co KG
Sigmatekstraße 1
5112 Lamprechtshausen
Österreich / Austria
Tel.: +43/6274/4321-0
Fax: +43/6274/4321-300
E-Mail: [email protected]
http://www.sigmatek-automation.at
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