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Groups > linux.kernel > #1440210 > unrolled thread

PCIe MSI address is not written at pci_enable_msi_range call

Started byBharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
First post2016-07-11 04:40 +0200
Last post2016-07-11 04:40 +0200
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  PCIe MSI address is not written at pci_enable_msi_range call Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com> - 2016-07-11 04:40 +0200

#1440210 — PCIe MSI address is not written at pci_enable_msi_range call

FromBharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Date2016-07-11 04:40 +0200
SubjectPCIe MSI address is not written at pci_enable_msi_range call
Message-ID<rTzix-XE-7@gated-at.bofh.it>
Hi,

I have a query.
I see that when we use PCI_MSI_IRQ_DOMAIN to handle MSI's, MSI address is not being
written in to end point's PCI_MSI_ADDRESS_LO/HI at the call pci_enable_msi_range.

Instead it is being written at the time end point requests irq.

Can any one tell the reason why is it handled in this manner ?

Correct me If my observation is wrong.

Thanks & Regards,
Bharat


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