ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC

commit 750e30d4076ae5e02ad13a376e96c95a2627742c upstream.

There is no crystal connected to the internal RTC on the Open Block
AX3. So let's disable it in order to prevent the kernel probing the
driver uselessly. Eventually this patches removes the following
warning message from the boot log:
"rtc-mv d0010300.rtc: internal RTC not ticking"

Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
index 9746d0e7fcb4469a72115154696fee98eced5eed..5dfb3d354470b15e20090369d54f3e44b69a0ad2 100644 (file)
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -32,6 +32,10 @@
                          0xf0000000 0 0xf0000000 0x8000000     /* Device Bus, NOR 128MiB   */>;
 
                internal-regs {
+                       rtc@10300 {
+                               /* No crystal connected to the internal RTC */
+                               status = "disabled";
+                       };
                        serial@12000 {
                                clock-frequency = <250000000>;
                                status = "okay";