Hi Aleksander, On Mon, 18 Oct 2021 at 11:14, Aleksander Morgado <aleksander@xxxxxxxxxxxxx> wrote: > > Hey all, > > > [ 7.056113] mhi-pci-generic 0000:01:00.0: MHI PCI device found: sierra-em919x > > [ 7.063298] mhi-pci-generic 0000:01:00.0: BAR 0: assigned [mem > > 0x600000000-0x600000fff 64bit] > > [ 7.071846] mhi-pci-generic 0000:01:00.0: enabling device (0000 -> 0002) > > [ 7.078671] mhi-pci-generic 0000:01:00.0: using shared MSI > > In this specific setup we request 4 MSI vectors through > pci_alloc_irq_vectors(), but only end up allocating a single one (i.e. > mhi_cntrl->nr_irqs = 1). Could that be related to the problem somehow? It shouldn't, we have the 'shared IRQ' fallback which is used when we can not setup multiple MSI, and this works with other SDX55 based modems. Regards, Loic
