mvebu fixes for v3.12 (round 2)

- mvebu
     - fix ReadyNAS 102 power button (needs to be active high)
     - fix ReadyNAS 102 automated rebooting (prevent hang) by add gpio-poweroff
       node
     - fix booting ReadyNAS 102 by adding MBus ranges and PCIe DT nodes
     - mvebu-mbus: prevent PCIe driver from continuing with corrupted resource
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Merge tag 'fixes-3.12-2' of git://git.infradead.org/linux-mvebu into fixes

From Jason Cooper:
mvebu fixes for v3.12 (round 2)

 - mvebu
    - fix ReadyNAS 102 power button (needs to be active high)
    - fix ReadyNAS 102 automated rebooting (prevent hang) by add gpio-poweroff
      node
    - fix booting ReadyNAS 102 by adding MBus ranges and PCIe DT nodes
    - mvebu-mbus: prevent PCIe driver from continuing with corrupted resource

* tag 'fixes-3.12-2' of git://git.infradead.org/linux-mvebu:
  bus: mvebu-mbus: Fix optional pcie-mem/io-aperture properties
  ARM: mvebu: add missing DT Mbus ranges and relocate PCIe DT nodes for RN102
  ARM: mvebu: Add DT entry for ReadyNAS 102 to use gpio-poweroff driver
  ARM: mvebu: fix ReadyNAS 102 Power button GPIO to make it active high

Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/armada-370-netgear-rn102.dts

@@ -27,6 +27,25 @@
 	};
 
 	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
+			  MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
+
+		pcie-controller {
+			status = "okay";
+
+			/* Connected to Marvell SATA controller */
+			pcie@1,0 {
+				/* Port 0, Lane 0 */
+				status = "okay";
+			};
+
+			/* Connected to FL1009 USB 3.0 controller */
+			pcie@2,0 {
+				/* Port 1, Lane 0 */
+				status = "okay";
+			};
+		};
+
 		internal-regs {
 			serial@12000 {
 				clock-frequency = <200000000>;
@@ -57,6 +76,11 @@
 					marvell,pins = "mpp56";
 					marvell,function = "gpio";
 				};
+
+				poweroff: poweroff {
+					marvell,pins = "mpp8";
+					marvell,function = "gpio";
+				};
 			};
 
 			mdio {
@@ -89,22 +113,6 @@
 					pwm_polarity = <0>;
 				};
 			};
-
-			pcie-controller {
-				status = "okay";
-
-				/* Connected to Marvell SATA controller */
-				pcie@1,0 {
-					/* Port 0, Lane 0 */
-					status = "okay";
-				};
-
-				/* Connected to FL1009 USB 3.0 controller */
-				pcie@2,0 {
-					/* Port 1, Lane 0 */
-					status = "okay";
-				};
-			};
 		};
 	};
 
@@ -160,7 +168,7 @@
 		button@1 {
 			label = "Power Button";
 			linux,code = <116>;     /* KEY_POWER */
-			gpios = <&gpio1 30 1>;
+			gpios = <&gpio1 30 0>;
 		};
 
 		button@2 {
@@ -176,4 +184,11 @@
 		};
 	};
 
+	gpio_poweroff {
+		compatible = "gpio-poweroff";
+		pinctrl-0 = <&poweroff>;
+		pinctrl-names = "default";
+		gpios = <&gpio0 8 1>;
+	};
+
 };

drivers/bus/mvebu-mbus.c

@@ -865,11 +865,13 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np,
 	int ret;
 
 	/*
-	 * These are optional, so we clear them and they'll
+	 * These are optional, so we make sure that resource_size(x) will
-	 * be zero if they are missing from the DT.
+	 * return 0.
 	 */
 	memset(mem, 0, sizeof(struct resource));
+	mem->end = -1;
 	memset(io, 0, sizeof(struct resource));
+	io->end = -1;
 
 	ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg));
 	if (!ret) {