diff options
Diffstat (limited to 'arch/arm/xen/enlighten.c')
| -rw-r--r-- | arch/arm/xen/enlighten.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 7d0f07020c80..6fbdc8fa4a19 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -51,7 +51,7 @@ EXPORT_SYMBOL_GPL(xen_have_vector_callback); int xen_platform_pci_unplug = XEN_UNPLUG_ALL; EXPORT_SYMBOL_GPL(xen_platform_pci_unplug); -static __read_mostly int xen_events_irq = -1; +static __read_mostly unsigned int xen_events_irq; int xen_remap_domain_mfn_array(struct vm_area_struct *vma, unsigned long addr, @@ -179,12 +179,14 @@ static int __init xen_guest_init(void) return 0; grant_frames = res.start; xen_events_irq = irq_of_parse_and_map(node, 0); + if (!xen_events_irq) { + pr_debug("Xen event channel interrupt not found\n"); + return -ENODEV; + } + pr_info("Xen %s support found, events_irq=%d gnttab_frame=%pa\n", version, xen_events_irq, &grant_frames); - if (xen_events_irq < 0) - return -ENODEV; - xen_domain_type = XEN_HVM_DOMAIN; xen_setup_features(); |