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 1c6bd83bde5e55c7d6f80028feba98af75c91263..2ade35703d72da28f63c7f262534e1b728726c3b 100644 (file)
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -69,6 +69,10 @@
                };
 
                internal-regs {
+                       rtc@10300 {
+                               /* No crystal connected to the internal RTC */
+                               status = "disabled";
+                       };
                        serial@12000 {
                                clock-frequency = <250000000>;
                                status = "okay";