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authorLinus Torvalds2015-09-24 17:46:38 -0700
committerLinus Torvalds2015-09-24 17:46:38 -0700
commit4401555a98601a3de7cc876ceeac1d5d09f617e6 (patch)
treeb3bea4f2f24b1af026d757b9e51f3b005cb5af6c
parentcc8b8faea417bd264d23fa5d017da52b75bbdf94 (diff)
parenta13f18f59d2646754cda3662a9e215ff43e7a7d5 (diff)
Merge tag 'devicetree-fixes-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring: - Silence bogus warning for of_irq_parse_pci - Fix typo in ARM idle-states binding doc and dts files - Various minor binding documentation updates * tag 'devicetree-fixes-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: Documentation: arm: Fix typo in the idle-states bindings examples gpio: mention in DT binding doc that <name>-gpio is deprecated of_pci_irq: Silence bogus "of_irq_parse_pci() failed ..." messages. devicetree: bindings: Extend the bma180 bindings with bma250 info of: thermal: Mark cooling-*-level properties optional of: thermal: Fix inconsitency between cooling-*-state and cooling-*-level Docs: dt: add #msi-cells to GICv3 ITS binding of: add vendor prefix for Socionext Inc.
-rw-r--r--Documentation/devicetree/bindings/arm/gic-v3.txt5
-rw-r--r--Documentation/devicetree/bindings/arm/idle-states.txt2
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio.txt4
-rw-r--r--Documentation/devicetree/bindings/iio/accel/bma180.txt8
-rw-r--r--Documentation/devicetree/bindings/thermal/thermal.txt27
-rw-r--r--Documentation/devicetree/bindings/vendor-prefixes.txt1
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8173.dtsi2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3368.dtsi2
-rw-r--r--drivers/of/of_pci_irq.c22
9 files changed, 46 insertions, 27 deletions
diff --git a/Documentation/devicetree/bindings/arm/gic-v3.txt b/Documentation/devicetree/bindings/arm/gic-v3.txt
index ddfade40ac59..7803e77d85cb 100644
--- a/Documentation/devicetree/bindings/arm/gic-v3.txt
+++ b/Documentation/devicetree/bindings/arm/gic-v3.txt
@@ -57,6 +57,8 @@ used to route Message Signalled Interrupts (MSI) to the CPUs.
These nodes must have the following properties:
- compatible : Should at least contain "arm,gic-v3-its".
- msi-controller : Boolean property. Identifies the node as an MSI controller
+- #msi-cells: Must be <1>. The single msi-cell is the DeviceID of the device
+ which will generate the MSI.
- reg: Specifies the base physical address and size of the ITS
registers.
@@ -83,6 +85,7 @@ Examples:
gic-its@2c200000 {
compatible = "arm,gic-v3-its";
msi-controller;
+ #msi-cells = <1>;
reg = <0x0 0x2c200000 0 0x200000>;
};
};
@@ -107,12 +110,14 @@ Examples:
gic-its@2c200000 {
compatible = "arm,gic-v3-its";
msi-controller;
+ #msi-cells = <1>;
reg = <0x0 0x2c200000 0 0x200000>;
};
gic-its@2c400000 {
compatible = "arm,gic-v3-its";
msi-controller;
+ #msi-cells = <1>;
reg = <0x0 0x2c400000 0 0x200000>;
};
};
diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt
index a8274eabae2e..b8e41c148a3c 100644
--- a/Documentation/devicetree/bindings/arm/idle-states.txt
+++ b/Documentation/devicetree/bindings/arm/idle-states.txt
@@ -497,7 +497,7 @@ cpus {
};
idle-states {
- entry-method = "arm,psci";
+ entry-method = "psci";
CPU_RETENTION_0_0: cpu-retention-0-0 {
compatible = "arm,idle-state";
diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt
index 5788d5cf1252..82d40e2505f6 100644
--- a/Documentation/devicetree/bindings/gpio/gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio.txt
@@ -16,7 +16,9 @@ properties, each containing a 'gpio-list':
GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
of this GPIO for the device. While a non-existent <name> is considered valid
for compatibility reasons (resolving to the "gpios" property), it is not allowed
-for new bindings.
+for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
+bindings use it, but are only supported for compatibility reasons and should not
+be used for newer bindings since it has been deprecated.
GPIO properties can contain one or more GPIO phandles, but only in exceptional
cases should they contain more than one. If your device uses several GPIOs with
diff --git a/Documentation/devicetree/bindings/iio/accel/bma180.txt b/Documentation/devicetree/bindings/iio/accel/bma180.txt
index c5933573e0f6..4a3679d54457 100644
--- a/Documentation/devicetree/bindings/iio/accel/bma180.txt
+++ b/Documentation/devicetree/bindings/iio/accel/bma180.txt
@@ -1,10 +1,11 @@
-* Bosch BMA180 triaxial acceleration sensor
+* Bosch BMA180 / BMA250 triaxial acceleration sensor
http://omapworld.com/BMA180_111_1002839.pdf
+http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/bst-bma250-ds002-05.pdf
Required properties:
- - compatible : should be "bosch,bma180"
+ - compatible : should be "bosch,bma180" or "bosch,bma250"
- reg : the I2C address of the sensor
Optional properties:
@@ -13,6 +14,9 @@ Optional properties:
- interrupts : interrupt mapping for GPIO IRQ, it should by configured with
flags IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING
+ For the bma250 the first interrupt listed must be the one
+ connected to the INT1 pin, the second (optional) interrupt
+ listed must be the one connected to the INT2 pin.
Example:
diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index 8a49362dea6e..41b817f7b670 100644
--- a/Documentation/devicetree/bindings/thermal/thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/thermal.txt
@@ -55,19 +55,11 @@ of heat dissipation). For example a fan's cooling states correspond to
the different fan speeds possible. Cooling states are referred to by
single unsigned integers, where larger numbers mean greater heat
dissipation. The precise set of cooling states associated with a device
-(as referred to be the cooling-min-state and cooling-max-state
+(as referred to by the cooling-min-level and cooling-max-level
properties) should be defined in a particular device's binding.
For more examples of cooling devices, refer to the example sections below.
Required properties:
-- cooling-min-state: An integer indicating the smallest
- Type: unsigned cooling state accepted. Typically 0.
- Size: one cell
-
-- cooling-max-state: An integer indicating the largest
- Type: unsigned cooling state accepted.
- Size: one cell
-
- #cooling-cells: Used to provide cooling device specific information
Type: unsigned while referring to it. Must be at least 2, in order
Size: one cell to specify minimum and maximum cooling state used
@@ -77,6 +69,15 @@ Required properties:
See Cooling device maps section below for more details
on how consumers refer to cooling devices.
+Optional properties:
+- cooling-min-level: An integer indicating the smallest
+ Type: unsigned cooling state accepted. Typically 0.
+ Size: one cell
+
+- cooling-max-level: An integer indicating the largest
+ Type: unsigned cooling state accepted.
+ Size: one cell
+
* Trip points
The trip node is a node to describe a point in the temperature domain
@@ -225,8 +226,8 @@ cpus {
396000 950000
198000 850000
>;
- cooling-min-state = <0>;
- cooling-max-state = <3>;
+ cooling-min-level = <0>;
+ cooling-max-level = <3>;
#cooling-cells = <2>; /* min followed by max */
};
...
@@ -240,8 +241,8 @@ cpus {
*/
fan0: fan@0x48 {
...
- cooling-min-state = <0>;
- cooling-max-state = <9>;
+ cooling-min-level = <0>;
+ cooling-max-level = <9>;
#cooling-cells = <2>; /* min followed by max */
};
};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ac5f0c34ae00..82d2ac97af74 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -203,6 +203,7 @@ sitronix Sitronix Technology Corporation
skyworks Skyworks Solutions, Inc.
smsc Standard Microsystems Corporation
snps Synopsys, Inc.
+socionext Socionext Inc.
solidrun SolidRun
solomon Solomon Systech Limited
sony Sony Corporation
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index d18ee4259ee5..06a15644be38 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -81,7 +81,7 @@
};
idle-states {
- entry-method = "arm,psci";
+ entry-method = "psci";
CPU_SLEEP_0: cpu-sleep-0 {
compatible = "arm,idle-state";
diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index a712bea3bf2c..cc093a482aa4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -106,7 +106,7 @@
};
idle-states {
- entry-method = "arm,psci";
+ entry-method = "psci";
cpu_sleep: cpu-sleep-0 {
compatible = "arm,idle-state";
diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c
index 1710d9dc7fc2..2306313c0029 100644
--- a/drivers/of/of_pci_irq.c
+++ b/drivers/of/of_pci_irq.c
@@ -38,8 +38,8 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
*/
rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
if (rc != 0)
- return rc;
- /* No pin, exit */
+ goto err;
+ /* No pin, exit with no error message. */
if (pin == 0)
return -ENODEV;
@@ -53,8 +53,10 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
ppnode = pci_bus_to_OF_node(pdev->bus);
/* No node for host bridge ? give up */
- if (ppnode == NULL)
- return -EINVAL;
+ if (ppnode == NULL) {
+ rc = -EINVAL;
+ goto err;
+ }
} else {
/* We found a P2P bridge, check if it has a node */
ppnode = pci_device_to_OF_node(ppdev);
@@ -86,7 +88,13 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
out_irq->args[0] = pin;
laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
laddr[1] = laddr[2] = cpu_to_be32(0);
- return of_irq_parse_raw(laddr, out_irq);
+ rc = of_irq_parse_raw(laddr, out_irq);
+ if (rc)
+ goto err;
+ return 0;
+err:
+ dev_err(&pdev->dev, "of_irq_parse_pci() failed with rc=%d\n", rc);
+ return rc;
}
EXPORT_SYMBOL_GPL(of_irq_parse_pci);
@@ -105,10 +113,8 @@ int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
int ret;
ret = of_irq_parse_pci(dev, &oirq);
- if (ret) {
- dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret);
+ if (ret)
return 0; /* Proper return code 0 == NO_IRQ */
- }
return irq_create_of_mapping(&oirq);
}