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Diffstat (limited to 'arch/arm/mach-omap2/prm3xxx.c')
-rw-r--r--arch/arm/mach-omap2/prm3xxx.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index a2dd13217c89..05858f966f7d 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -704,12 +704,18 @@ static int omap3xxx_prm_late_init(void)
omap3430_pre_es3_1_reconfigure_io_chain;
np = of_find_matching_node(NULL, omap3_prm_dt_match_table);
- if (np) {
- irq_num = of_irq_get(np, 0);
- if (irq_num > 0)
- omap3_prcm_irq_setup.irq = irq_num;
+ if (!np) {
+ pr_err("PRM: no device tree node for interrupt?\n");
+
+ return -ENODEV;
}
+ irq_num = of_irq_get(np, 0);
+ if (irq_num == -EPROBE_DEFER)
+ return irq_num;
+
+ omap3_prcm_irq_setup.irq = irq_num;
+
omap3xxx_prm_enable_io_wakeup();
return omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);