From: Roland Dreier Date: Tue, 12 Dec 2006 19:50:20 +0000 (-0800) Subject: IB/ipath: Fix IRQ for PCI Express HCAs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0a1336c8c93530b93c8ecd8c9882f5e528673cab;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git IB/ipath: Fix IRQ for PCI Express HCAs Commit 51f65ebc ("IB/ipath - program intconfig register using new HT irq hook"), which fixed interrupts for HyperTransport HCAs, broke PCI Express HCAs, because for those HCAs, the driver uses the value of pdev->irq before pci_enable_msi() and ends up getting a totally bogus IRQ number. Fix this by using the value of pdev->irq after pci_enable_msi(). Signed-off-by: Roland Dreier --- diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c index 397da3483af1..ae8bf9950c6d 100644 --- a/drivers/infiniband/hw/ipath/ipath_iba6120.c +++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c @@ -851,12 +851,12 @@ static int ipath_setup_pe_config(struct ipath_devdata *dd, int pos, ret; dd->ipath_msi_lo = 0; /* used as a flag during reset processing */ - dd->ipath_irq = pdev->irq; ret = pci_enable_msi(dd->pcidev); if (ret) ipath_dev_err(dd, "pci_enable_msi failed: %d, " "interrupts may not work\n", ret); /* continue even if it fails, we may still be OK... */ + dd->ipath_irq = pdev->irq; if ((pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI))) { u16 control;