mvebu: supress useless in-cpu rtc init on the Mamba

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
SVN-Revision: 45704

diff --git a/target/linux/mvebu/patches-3.18/004-mamba_disable_rtc.patch b/target/linux/mvebu/patches-3.18/004-mamba_disable_rtc.patch
new file mode 100644 (file)
index 0000000..925bab0
--- /dev/null
+++ b/target/linux/mvebu/patches-3.18/004-mamba_disable_rtc.patch
@@ -0,0 +1,14 @@
+--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+@@ -183,6 +183,11 @@
+ 
+               internal-regs {
+ 
++                      rtc@10300 {
++                              /* No crystal connected to the internal RTC */
++                              status = "disabled";
++                      };
++
+                       /* J10: VCC, NC, RX, NC, TX, GND  */
+                       serial@12000 {
+                               status = "okay";