Merge branch 'fixes-non-critical' into for-next

[karo-tx-linux.git] / arch / arm / mach-s3c64xx / common.c

diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 7d3cb58f1856912c1119b95bdcd1ea4ea41e3718..7a3ce4c39e5fecd3470b06344295d766869b702e 100644 (file)
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -14,6 +14,10 @@
  * published by the Free Software Foundation.
  */
 
+/*
+ * NOTE: Code in this file is not used when booting with Device Tree support.
+ */
+
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -203,6 +207,10 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
 
 static __init int s3c64xx_dev_init(void)
 {
+       /* Not applicable when using DT. */
+       if (of_have_populated_dt())
+               return 0;
+
        subsys_system_register(&s3c64xx_subsys, NULL);
        return device_register(&s3c64xx_dev);
 }
@@ -404,6 +412,10 @@ static int __init s3c64xx_init_irq_eint(void)
 {
        int irq;
 
+       /* On DT-enabled systems EINTs are handled by pinctrl-s3c64xx driver. */
+       if (of_have_populated_dt())
+               return -ENODEV;
+
        for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) {
                irq_set_chip_and_handler(irq, &s3c_irq_eint, handle_level_irq);
                irq_set_chip_data(irq, (void *)eint_irq_to_bit(irq));