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-rw-r--r--arch/arm/mach-omap2/prm44xx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index f464179eb82..e4e52f14dbb 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -661,6 +661,9 @@ static struct prm_ll_data omap44xx_prm_ll_data = {
int __init omap44xx_prm_init(void)
{
+ if (cpu_is_omap44xx())
+ prm_features |= PRM_HAS_IO_WAKEUP;
+
return prm_register(&omap44xx_prm_ll_data);
}
@@ -669,6 +672,9 @@ static int __init omap44xx_prm_late_init(void)
if (!cpu_is_omap44xx())
return 0;
+ if (!(prm_features & PRM_HAS_IO_WAKEUP))
+ return 0;
+
omap44xx_prm_enable_io_wakeup();
return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup);