1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index b2acda07220d..18e75ca19fe6 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -347,7 +347,7 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags,
                 return;
         }
 
-        qe_ic->regs = ioremap(res.start, res.end - res.start + 1);
+        qe_ic->regs = ioremap(res.start, resource_size(&res));
 
         qe_ic->irqhost->host_data = qe_ic;
         qe_ic->hc_irq = qe_ic_irq_chip;