Merge tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Rewrite of the unflattening code to avoid recursion and lessen the
stack usage.
- Rewrite of the phandle args parsing code to get rid of the fixed args
size. This is needed for IOMMU code.
- Sync to latest dtc which adds more dts style checking. These
warnings are enabled with "W=1" compiles.
- Tegra documentation updates related to the above warnings.
- A bunch of spelling and other doc fixes.
- Various vendor prefix additions.
* tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (52 commits)
devicetree: Add Creative Technology vendor id
gpio: dt-bindings: add ibm,ppc4xx-gpio binding
of/unittest: Remove unnecessary module.h header inclusion
drivers/of: Fix build warning in populate_node()
drivers/of: Fix depth when unflattening devicetree
of: dynamic: changeset prop-update revert fix
drivers/of: Export of_detach_node()
drivers/of: Return allocated memory from of_fdt_unflatten_tree()
drivers/of: Specify parent node in of_fdt_unflatten_tree()
drivers/of: Rename unflatten_dt_node()
drivers/of: Avoid recursively calling unflatten_dt_node()
drivers/of: Split unflatten_dt_node()
of: include errno.h in of_graph.h
of: document refcount incrementation of of_get_cpu_node()
Documentation: dt: soc: fix spelling mistakes
Documentation: dt: power: fix spelling mistake
Documentation: dt: pinctrl: fix spelling mistake
Documentation: dt: opp: fix spelling mistake
Documentation: dt: net: fix spelling mistakes
Documentation: dt: mtd: fix spelling mistake
...
diff --git a/Documentation/devicetree/bindings/arm/cci.txt b/Documentation/devicetree/bindings/arm/cci.txt
index a1a5a7e..0f2153e 100644
--- a/Documentation/devicetree/bindings/arm/cci.txt
+++ b/Documentation/devicetree/bindings/arm/cci.txt
@@ -100,7 +100,7 @@
"arm,cci-400-pmu,r0"
"arm,cci-400-pmu,r1"
"arm,cci-400-pmu" - DEPRECATED, permitted only where OS has
- secure acces to CCI registers
+ secure access to CCI registers
"arm,cci-500-pmu,r0"
"arm,cci-550-pmu,r0"
- reg:
diff --git a/Documentation/devicetree/bindings/arm/omap/crossbar.txt b/Documentation/devicetree/bindings/arm/omap/crossbar.txt
index a9b28d7..bb5727a 100644
--- a/Documentation/devicetree/bindings/arm/omap/crossbar.txt
+++ b/Documentation/devicetree/bindings/arm/omap/crossbar.txt
@@ -42,7 +42,8 @@
Consumer:
========
See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt and
-Documentation/devicetree/bindings/arm/gic.txt for further details.
+Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt for
+further details.
An interrupt consumer on an SoC using crossbar will use:
interrupts = <GIC_SPI request_number interrupt_level>
diff --git a/Documentation/devicetree/bindings/arm/spear-misc.txt b/Documentation/devicetree/bindings/arm/spear-misc.txt
index cf64982..e404e25 100644
--- a/Documentation/devicetree/bindings/arm/spear-misc.txt
+++ b/Documentation/devicetree/bindings/arm/spear-misc.txt
@@ -6,4 +6,4 @@
misc node required properties:
- compatible Should be "st,spear1340-misc", "syscon".
-- reg: Address range of misc space upto 8K
+- reg: Address range of misc space up to 8K
diff --git a/Documentation/devicetree/bindings/arm/ux500/boards.txt b/Documentation/devicetree/bindings/arm/ux500/boards.txt
index b8737a8..7334c24 100644
--- a/Documentation/devicetree/bindings/arm/ux500/boards.txt
+++ b/Documentation/devicetree/bindings/arm/ux500/boards.txt
@@ -23,7 +23,7 @@
see binding for arm/scu.txt
interrupt-controller:
- see binding for arm/gic.txt
+ see binding for interrupt-controller/arm,gic.txt
timer:
see binding for arm/twd.txt
diff --git a/Documentation/devicetree/bindings/ata/tegra-sata.txt b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
similarity index 100%
rename from Documentation/devicetree/bindings/ata/tegra-sata.txt
rename to Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt
index ee7e5fd..63f9d82 100644
--- a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt
+++ b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt
@@ -50,7 +50,7 @@
Example:
-clock@0,70110000 {
+clock@70110000 {
compatible = "nvidia,tegra124-dfll";
reg = <0 0x70110000 0 0x100>, /* DFLL control */
<0 0x70110000 0 0x100>, /* I2C output control */
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt
index 0c2bf5e..7f36853 100644
--- a/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt
@@ -16,7 +16,7 @@
Optional Properties:
- rockchip,grf: phandle to the syscon managing the "general register files"
- If missing pll rates are not changable, due to the missing pll lock status.
+ If missing pll rates are not changeable, due to the missing pll lock status.
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume. All available clocks are defined as
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
index c9fbb76..8cb47c3 100644
--- a/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
@@ -15,7 +15,7 @@
Optional Properties:
- rockchip,grf: phandle to the syscon managing the "general register files"
- If missing pll rates are not changable, due to the missing pll lock status.
+ If missing pll rates are not changeable, due to the missing pll lock status.
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume. All available clocks are defined as
diff --git a/Documentation/devicetree/bindings/clock/st/st,clkgen.txt b/Documentation/devicetree/bindings/clock/st/st,clkgen.txt
index 78978f1..b18bf86 100644
--- a/Documentation/devicetree/bindings/clock/st/st,clkgen.txt
+++ b/Documentation/devicetree/bindings/clock/st/st,clkgen.txt
@@ -40,7 +40,7 @@
};
This binding uses the common clock binding[1].
-Each subnode should use the binding discribe in [2]..[7]
+Each subnode should use the binding described in [2]..[7]
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
[2] Documentation/devicetree/bindings/clock/st,clkgen-divmux.txt
diff --git a/Documentation/devicetree/bindings/cpufreq/tegra124-cpufreq.txt b/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt
similarity index 100%
rename from Documentation/devicetree/bindings/cpufreq/tegra124-cpufreq.txt
rename to Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt
diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
index 22756b3..a782659 100644
--- a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
+++ b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt
@@ -41,7 +41,7 @@
endpoint node connected from mic node (reg = 0):
- remote-endpoint: specifies the endpoint in mic node. This node is required
for Exynos5433 mipi dsi. So mic can access to panel node
- thoughout this dsi node.
+ throughout this dsi node.
endpoint node connected to panel node (reg = 1):
- remote-endpoint: specifies the endpoint in panel node. This node is
required in all kinds of exynos mipi dsi to represent
diff --git a/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt b/Documentation/devicetree/bindings/dma/nvidia,tegra20-apbdma.txt
similarity index 100%
rename from Documentation/devicetree/bindings/dma/tegra20-apbdma.txt
rename to Documentation/devicetree/bindings/dma/nvidia,tegra20-apbdma.txt
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index 2291c40..3cf0072 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -7,7 +7,7 @@
- compatible: Should be "xlnx,axi-dma-1.00.a"
- #dma-cells: Should be <1>, see "dmas" property below
- reg: Should contain DMA registers location and length.
-- dma-channel child node: Should have atleast one channel and can have upto
+- dma-channel child node: Should have at least one channel and can have up to
two channels per device. This node specifies the properties of each
DMA channel (see child node properties below).
diff --git a/Documentation/devicetree/bindings/gpio/ibm,ppc4xx-gpio.txt b/Documentation/devicetree/bindings/gpio/ibm,ppc4xx-gpio.txt
new file mode 100644
index 0000000..d58b395
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/ibm,ppc4xx-gpio.txt
@@ -0,0 +1,24 @@
+* IBM/AMCC/APM GPIO Controller for PowerPC 4XX series and compatible SoCs
+
+All GPIOs are pin-shared with other functions. DCRs control whether a
+particular pin that has GPIO capabilities acts as a GPIO or is used for
+another purpose. GPIO outputs are separately programmable to emulate
+an open-drain driver.
+
+Required properties:
+ - compatible: must be "ibm,ppc4xx-gpio"
+ - reg: address and length of the register set for the device
+ - #gpio-cells: must be set to 2. The first cell is the pin number
+ and the second cell is used to specify the gpio polarity:
+ 0 = active high
+ 1 = active low
+ - gpio-controller: marks the device node as a gpio controller.
+
+Example:
+
+GPIO0: gpio@ef600b00 {
+ compatible = "ibm,ppc4xx-gpio";
+ reg = <0xef600b00 0x00000048>;
+ #gpio-cells = <2>;
+ gpio-controller;
+};
diff --git a/Documentation/devicetree/bindings/input/ads7846.txt b/Documentation/devicetree/bindings/input/ads7846.txt
index c6cfe2e..9fc47b0 100644
--- a/Documentation/devicetree/bindings/input/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/ads7846.txt
@@ -29,7 +29,7 @@
ti,vref-delay-usecs vref supply delay in usecs, 0 for
external vref (u16).
ti,vref-mv The VREF voltage, in millivolts (u16).
- Set to 0 to use internal refernce
+ Set to 0 to use internal references
(ADS7846).
ti,keep-vref-on set to keep vref on for differential
measurements as well
diff --git a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt b/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
index cdf05f9..abfcab3 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
@@ -15,7 +15,7 @@
- fsl,pen-debounce-ns: Pen debounce time in nanoseconds.
- fsl,pen-threshold: Pen-down threshold for the touchscreen. This is a value
between 1 and 4096. It is the ratio between the internal reference voltage
- and the measured voltage after the plate was precharged. Resistence between
+ and the measured voltage after the plate was precharged. Resistance between
plates and therefore the voltage decreases with pressure so that a smaller
value is equivalent to a higher pressure.
- fsl,settling-time-ns: Settling time in nanoseconds. The settling time is before
diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
index b8e1674..8cf564d 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
@@ -16,8 +16,7 @@
"mediatek,mt6577-sysirq"
"mediatek,mt2701-sysirq"
- interrupt-controller : Identifies the node as an interrupt controller
-- #interrupt-cells : Use the same format as specified by GIC in
- Documentation/devicetree/bindings/arm/gic.txt
+- #interrupt-cells : Use the same format as specified by GIC in arm,gic.txt.
- interrupt-parent: phandle of irq parent for sysirq. The parent must
use the same interrupt-cells format as GIC.
- reg: Physical base address of the intpol registers and length of memory
diff --git a/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra-ictlr.txt b/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt
similarity index 100%
rename from Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra-ictlr.txt
rename to Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt
diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,omap4-wugen-mpu b/Documentation/devicetree/bindings/interrupt-controller/ti,omap4-wugen-mpu
index 43effa0..18d4f40 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/ti,omap4-wugen-mpu
+++ b/Documentation/devicetree/bindings/interrupt-controller/ti,omap4-wugen-mpu
@@ -4,7 +4,7 @@
routes interrupts to the GIC, and also serves as a wakeup source. It
is also referred to as "WUGEN-MPU", hence the name of the binding.
-Reguired properties:
+Required properties:
- compatible : should contain at least "ti,omap4-wugen-mpu" or
"ti,omap5-wugen-mpu"
@@ -20,7 +20,7 @@
- Because this HW ultimately routes interrupts to the GIC, the
interrupt specifier must be that of the GIC.
- Only SPIs can use the WUGEN as an interrupt parent. SGIs and PPIs
- are explicitly forbiden.
+ are explicitly forbidden.
Example:
diff --git a/Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.txt
similarity index 99%
rename from Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt
rename to Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.txt
index b59c625d..ba0bc3f 100644
--- a/Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.txt
@@ -190,7 +190,7 @@
Example SoC include file:
/ {
- emc@0,7001b000 {
+ emc@7001b000 {
compatible = "nvidia,tegra124-emc";
reg = <0x0 0x7001b000 0x0 0x1000>;
@@ -201,7 +201,7 @@
Example board file:
/ {
- emc@0,7001b000 {
+ emc@7001b000 {
emc-timings-3 {
nvidia,ram-code = <3>;
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra-mc.txt b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.txt
similarity index 97%
rename from Documentation/devicetree/bindings/memory-controllers/nvidia,tegra-mc.txt
rename to Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.txt
index 3338a28..8dbe470 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra-mc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.txt
@@ -61,7 +61,7 @@
Example SoC include file:
/ {
- mc: memory-controller@0,70019000 {
+ mc: memory-controller@70019000 {
compatible = "nvidia,tegra124-mc";
reg = <0x0 0x70019000 0x0 0x1000>;
clocks = <&tegra_car TEGRA124_CLK_MC>;
@@ -72,7 +72,7 @@
#iommu-cells = <1>;
};
- sdhci@0,700b0000 {
+ sdhci@700b0000 {
compatible = "nvidia,tegra124-sdhci";
...
iommus = <&mc TEGRA_SWGROUP_SDMMC1A>;
@@ -82,7 +82,7 @@
Example board file:
/ {
- memory-controller@0,70019000 {
+ memory-controller@70019000 {
emc-timings-3 {
nvidia,ram-code = <3>;
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
index 5e97a95..b98b291 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
@@ -178,7 +178,7 @@
- qcom,force-mode:
Usage: optional (default if no other qcom,force-mode is specified)
Value type: <u32>
- Defintion: indicates that the regulator should be forced to a
+ Definition: indicates that the regulator should be forced to a
particular mode, valid values are:
QCOM_RPM_FORCE_MODE_NONE - do not force any mode
QCOM_RPM_FORCE_MODE_LPM - force into low power mode
@@ -204,7 +204,7 @@
- qcom,force-mode:
Usage: optional
Value type: <u32>
- Defintion: indicates that the regulator should not be forced to any
+ Definition: indicates that the regulator should not be forced to any
particular mode, valid values are:
QCOM_RPM_FORCE_MODE_NONE - do not force any mode
QCOM_RPM_FORCE_MODE_LPM - force into low power mode
diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-emmc.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-emmc.txt
index 0cb827bf..3d965d5 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-emmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-emmc.txt
@@ -1,7 +1,7 @@
* The simple eMMC hardware reset provider
The purpose of this driver is to perform standard eMMC hw reset
-procedure, as descibed by Jedec 4.4 specification. This procedure is
+procedure, as described by Jedec 4.4 specification. This procedure is
performed just after MMC core enabled power to the given mmc host (to
fix possible issues if bootloader has left eMMC card in initialized or
unknown state), and before performing complete system reboot (also in
diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
index c2546ce..0f6985b 100644
--- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
+++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
@@ -52,7 +52,7 @@
v7.0. Use this property to describe the rare
earlier versions of this core that include WP
- -- Additonal SoC-specific NAND controller properties --
+ -- Additional SoC-specific NAND controller properties --
The NAND controller is integrated differently on the variety of SoCs on which it
is found. Part of this integration involves providing status and enable bits
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
index b9ff4ba..f0421ee 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt
@@ -8,7 +8,7 @@
specifies a reference to the associating hardware driver node.
see Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt
- port-id: is the index of port provided by DSAF (the accelerator). DSAF can
- connect to 8 PHYs. Port 0 to 1 are both used for adminstration purpose. They
+ connect to 8 PHYs. Port 0 to 1 are both used for administration purpose. They
are called debug ports.
The remaining 6 PHYs are taken according to the mode of DSAF.
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index 4d302db..95816c5 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -51,8 +51,8 @@
AXI register inside the DMA module:
- snps,lpi_en: enable Low Power Interface
- snps,xit_frm: unlock on WoL
- - snps,wr_osr_lmt: max write oustanding req. limit
- - snps,rd_osr_lmt: max read oustanding req. limit
+ - snps,wr_osr_lmt: max write outstanding req. limit
+ - snps,rd_osr_lmt: max read outstanding req. limit
- snps,kbbe: do not cross 1KiB boundary.
- snps,axi_all: align address
- snps,blen: this is a vector of supported burst length.
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index 58d935b5..5d21141 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt
@@ -2,7 +2,7 @@
Required properties:
- reg - The ID number for the phy, usually a small integer
- - ti,rx-internal-delay - RGMII Recieve Clock Delay - see dt-bindings/net/ti-dp83867.h
+ - ti,rx-internal-delay - RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83867.h
for applicable values
- ti,tx-internal-delay - RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
for applicable values
diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
index 601256f..ee91cbd 100644
--- a/Documentation/devicetree/bindings/opp/opp.txt
+++ b/Documentation/devicetree/bindings/opp/opp.txt
@@ -45,7 +45,7 @@
phandle to a OPP table in their DT node. The OPP core will use this phandle to
find the operating points for the device.
-If required, this can be extended for SoC vendor specfic bindings. Such bindings
+If required, this can be extended for SoC vendor specific bindings. Such bindings
should be documented as Documentation/devicetree/bindings/power/<vendor>-opp.txt
and should have a compatible description like: "operating-points-v2-<vendor>".
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index 64f2fff..6c5322c 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -31,7 +31,7 @@
Example configuration:
- pcie: pcie@0xdffff000 {
+ pcie: pcie@dffff000 {
compatible = "snps,dw-pcie";
reg = <0xdffff000 0x1000>, /* Controller registers */
<0xd0000000 0x2000>; /* PCI config space */
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
index b721bea..59c2f47 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -34,11 +34,11 @@
ranges = <0x82000000 0 0x00000000 0x220 0x00000000 0 0x10000000>;
num-lanes = <8>;
port-id = <1>;
- #interrupts-cells = <1>;
- interrupts-map-mask = <0xf800 0 0 7>;
- interrupts-map = <0x0 0 0 1 &mbigen_pcie 1 10
- 0x0 0 0 2 &mbigen_pcie 2 11
- 0x0 0 0 3 &mbigen_pcie 3 12
- 0x0 0 0 4 &mbigen_pcie 4 13>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <0x0 0 0 1 &mbigen_pcie 1 10
+ 0x0 0 0 2 &mbigen_pcie 2 11
+ 0x0 0 0 3 &mbigen_pcie 3 12
+ 0x0 0 0 4 &mbigen_pcie 4 13>;
status = "ok";
};
diff --git a/Documentation/devicetree/bindings/phy/phy-stih41x-usb.txt b/Documentation/devicetree/bindings/phy/phy-stih41x-usb.txt
index 00944a0..744b480 100644
--- a/Documentation/devicetree/bindings/phy/phy-stih41x-usb.txt
+++ b/Documentation/devicetree/bindings/phy/phy-stih41x-usb.txt
@@ -17,7 +17,7 @@
usb2_phy: usb2phy@0 {
compatible = "st,stih416-usb-phy";
- #phy-cell = <0>;
+ #phy-cells = <0>;
st,syscfg = <&syscfg_rear>;
clocks = <&clk_sysin>;
clock-names = "osc_phy";
diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt
index 8a6223d..4048f43a 100644
--- a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt
@@ -85,7 +85,7 @@
SoC file extract:
-----------------
- padctl@0,7009f000 {
+ padctl@7009f000 {
compatible = "nvidia,tegra124-xusb-padctl";
reg = <0x0 0x7009f000 0x0 0x1000>;
resets = <&tegra_car 142>;
@@ -97,7 +97,7 @@
Board file extract:
-------------------
- pcie-controller@0,01003000 {
+ pcie-controller@01003000 {
...
phys = <&padctl 0>;
@@ -108,7 +108,7 @@
...
- padctl: padctl@0,7009f000 {
+ padctl: padctl@7009f000 {
pinctrl-0 = <&padctl_default>;
pinctrl-names = "default";
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
index a90c812..a54c39e 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
@@ -122,7 +122,7 @@
2: 1.5uA (PMIC_GPIO_PULL_UP_1P5)
3: 31.5uA (PMIC_GPIO_PULL_UP_31P5)
4: 1.5uA + 30uA boost (PMIC_GPIO_PULL_UP_1P5_30)
- If this property is ommited 30uA strength will be used if
+ If this property is omitted 30uA strength will be used if
pull up is selected
- bias-high-impedance:
diff --git a/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt
index 0e6d875..7478992 100644
--- a/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt
+++ b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt
@@ -29,7 +29,7 @@
- qcom,charger-disable:
Usage: optional
Value type: <boolean>
- Definition: definining this property disables charging
+ Definition: defining this property disables charging
This charger is a sub-node of one of the 8941 PMIC blocks, and is specified
as a child node in DTS of that node. See ../mfd/qcom,spmi-pmic.txt and
diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
index 725393c..9987281 100644
--- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
+++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -1,5 +1,12 @@
* palmas regulator IP block devicetree bindings
+The tps659038 for the AM57x class have OTP spins that
+have different part numbers but the same functionality. There
+is not a need to add the OTP spins to the palmas driver. The
+spin devices should use the tps659038 as it's compatible value.
+This is the list of those devices:
+tps659037
+
Required properties:
- compatible : Should be from the list
ti,twl6035-pmic
@@ -8,6 +15,7 @@
ti,tps65913-pmic
ti,tps65914-pmic
ti,tps65917-pmic
+ ti,tps659038-pmic
and also the generic series names
ti,palmas-pmic
- interrupt-parent : The parent interrupt controller which is palmas.
diff --git a/Documentation/devicetree/bindings/rtc/rtc-palmas.txt b/Documentation/devicetree/bindings/rtc/rtc-palmas.txt
index adbccc0..eb1c7fd 100644
--- a/Documentation/devicetree/bindings/rtc/rtc-palmas.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc-palmas.txt
@@ -15,9 +15,9 @@
battery is chargeable or not. If charging battery then driver can
enable the charging.
- ti,backup-battery-charge-high-current: Enable high current charging in
- backup battery. Device supports the < 100mA and > 100mA charging.
- The high current will be > 100mA. Absence of this property will
- charge battery to lower current i.e. < 100mA.
+ backup battery. Device supports the < 100uA and > 100uA charging.
+ The high current will be > 100uA. Absence of this property will
+ charge battery to lower current i.e. < 100uA.
Example:
palmas: tps65913@58 {
diff --git a/Documentation/devicetree/bindings/tty/serial/mvebu-uart.txt b/Documentation/devicetree/bindings/serial/mvebu-uart.txt
similarity index 100%
rename from Documentation/devicetree/bindings/tty/serial/mvebu-uart.txt
rename to Documentation/devicetree/bindings/serial/mvebu-uart.txt
diff --git a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
index d1ce21a..64c66a5 100644
--- a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
+++ b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
@@ -42,7 +42,7 @@
- queue-pools : child node classifying the queue ranges into pools.
Queue ranges are grouped into 3 type of pools:
- qpend : pool of qpend(interruptible) queues
- - general-purpose : pool of general queues, primarly used
+ - general-purpose : pool of general queues, primarily used
as free descriptor queues or the
transmit DMA queues.
- accumulator : pool of queues on PDSP accumulator channel
@@ -50,7 +50,7 @@
-- qrange : number of queues to use per queue range, specified as
<"base queue #" "# of queues">.
-- interrupts : Optional property to specify the interrupt mapping
- for interruptible queues. The driver additionaly sets
+ for interruptible queues. The driver additionally sets
the interrupt affinity hint based on the cpu mask.
-- qalloc-by-id : Optional property to specify that the queues in this
range can only be allocated by queue id.
@@ -80,7 +80,7 @@
latency : time to delay the interrupt, specified
in microseconds.
-- multi-queue : Optional property to specify that the channel has to
- monitor upto 32 queues starting at the base queue #.
+ monitor up to 32 queues starting at the base queue #.
- descriptor-regions : child node describing the memory regions for keystone
navigator packet DMA descriptors. The memory for
descriptors will be allocated by the driver.
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
index 275c6ea..44d2745 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.txt
@@ -15,7 +15,7 @@
Example:
-hda@0,70030000 {
+hda@70030000 {
compatible = "nvidia,tegra124-hda", "nvidia,tegra30-hda";
reg = <0x0 0x70030000 0x0 0x10000>;
interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/Documentation/devicetree/bindings/sram/sram.txt b/Documentation/devicetree/bindings/sram/sram.txt
index 227e3a3..add48f0 100644
--- a/Documentation/devicetree/bindings/sram/sram.txt
+++ b/Documentation/devicetree/bindings/sram/sram.txt
@@ -51,7 +51,7 @@
compatible = "mmio-sram";
reg = <0x5c000000 0x40000>; /* 256 KiB SRAM at address 0x5c000000 */
- #adress-cells = <1>;
+ #address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x5c000000 0x40000>;
diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt
similarity index 98%
rename from Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
rename to Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt
index 6b68cd1..6908d3a 100644
--- a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
+++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt
@@ -29,7 +29,7 @@
Example :
- soctherm@0,700e2000 {
+ soctherm@700e2000 {
compatible = "nvidia,tegra124-soctherm";
reg = <0x0 0x700e2000 0x0 0x1000>;
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 316412d..32f96580 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -28,6 +28,7 @@
arasan Arasan Chip Systems
arm ARM Ltd.
armadeus ARMadeus Systems SARL
+arrow Arrow Electronics
artesyn Artesyn Embedded Technologies Inc.
asahi-kasei Asahi Kasei Corp.
aspeed ASPEED Technology Inc.
@@ -60,6 +61,7 @@
compulab CompuLab Ltd.
cortina Cortina Systems, Inc.
cosmic Cosmic Circuits
+creative Creative Technology Ltd
crystalfontz Crystalfontz America, Inc.
cubietech Cubietech, Ltd.
cypress Cypress Semiconductor Corporation
@@ -79,6 +81,7 @@
edt Emerging Display Technologies
eeti eGalax_eMPIA Technology Inc
elan Elan Microelectronic Corp.
+embest Shenzhen Embest Technology Co., Ltd.
emmicro EM Microelectronic
energymicro Silicon Laboratories (formerly Energy Micro AS)
epcos EPCOS AG
@@ -124,6 +127,7 @@
ifi Ingenieurburo Fur Ic-Technologie (I/F/I)
iom Iomega Corporation
img Imagination Technologies Ltd.
+inforce Inforce Computing
ingenic Ingenic Semiconductor
innolux Innolux Corporation
intel Intel Corporation
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c b/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c
index 106679b..f9c79da 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_slave_compat.c
@@ -157,7 +157,7 @@
if (!overlay_data || kfree_table_add(kft, overlay_data))
return NULL;
- of_fdt_unflatten_tree(overlay_data, &overlay);
+ of_fdt_unflatten_tree(overlay_data, NULL, &overlay);
if (!overlay) {
pr_warn("%s: Unfattening overlay tree failed\n", __func__);
return NULL;
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 0360919..e206ce7 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -50,7 +50,7 @@
#include "io-pgtable.h"
/* Maximum number of stream IDs assigned to a single device */
-#define MAX_MASTER_STREAMIDS MAX_PHANDLE_ARGS
+#define MAX_MASTER_STREAMIDS 128
/* Maximum number of context banks per SMMU */
#define ARM_SMMU_MAX_CBS 128
@@ -397,6 +397,12 @@
struct iommu_domain domain;
};
+struct arm_smmu_phandle_args {
+ struct device_node *np;
+ int args_count;
+ uint32_t args[MAX_MASTER_STREAMIDS];
+};
+
static DEFINE_SPINLOCK(arm_smmu_devices_lock);
static LIST_HEAD(arm_smmu_devices);
@@ -506,7 +512,7 @@
static int register_smmu_master(struct arm_smmu_device *smmu,
struct device *dev,
- struct of_phandle_args *masterspec)
+ struct arm_smmu_phandle_args *masterspec)
{
int i;
struct arm_smmu_master *master;
@@ -1875,7 +1881,8 @@
struct arm_smmu_device *smmu;
struct device *dev = &pdev->dev;
struct rb_node *node;
- struct of_phandle_args masterspec;
+ struct of_phandle_iterator it;
+ struct arm_smmu_phandle_args *masterspec;
int num_irqs, i, err;
smmu = devm_kzalloc(dev, sizeof(*smmu), GFP_KERNEL);
@@ -1938,20 +1945,35 @@
i = 0;
smmu->masters = RB_ROOT;
- while (!of_parse_phandle_with_args(dev->of_node, "mmu-masters",
- "#stream-id-cells", i,
- &masterspec)) {
- err = register_smmu_master(smmu, dev, &masterspec);
+
+ err = -ENOMEM;
+ /* No need to zero the memory for masterspec */
+ masterspec = kmalloc(sizeof(*masterspec), GFP_KERNEL);
+ if (!masterspec)
+ goto out_put_masters;
+
+ of_for_each_phandle(&it, err, dev->of_node,
+ "mmu-masters", "#stream-id-cells", 0) {
+ int count = of_phandle_iterator_args(&it, masterspec->args,
+ MAX_MASTER_STREAMIDS);
+ masterspec->np = of_node_get(it.node);
+ masterspec->args_count = count;
+
+ err = register_smmu_master(smmu, dev, masterspec);
if (err) {
dev_err(dev, "failed to add master %s\n",
- masterspec.np->name);
+ masterspec->np->name);
+ kfree(masterspec);
goto out_put_masters;
}
i++;
}
+
dev_notice(dev, "registered %d master devices\n", i);
+ kfree(masterspec);
+
parse_driver_options(smmu);
if (smmu->version == ARM_SMMU_V2 &&
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 64018eb..ebf84e3 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -394,7 +394,8 @@
* before booting secondary cores. This function uses arch_match_cpu_phys_id
* which can be overridden by architecture specific implementation.
*
- * Returns a node pointer for the logical cpu if found, else NULL.
+ * Returns a node pointer for the logical cpu with refcount incremented, use
+ * of_node_put() on it when done. Returns NULL if not found.
*/
struct device_node *of_get_cpu_node(int cpu, unsigned int *thread)
{
@@ -1440,106 +1441,155 @@
printk("\n");
}
+int of_phandle_iterator_init(struct of_phandle_iterator *it,
+ const struct device_node *np,
+ const char *list_name,
+ const char *cells_name,
+ int cell_count)
+{
+ const __be32 *list;
+ int size;
+
+ memset(it, 0, sizeof(*it));
+
+ list = of_get_property(np, list_name, &size);
+ if (!list)
+ return -ENOENT;
+
+ it->cells_name = cells_name;
+ it->cell_count = cell_count;
+ it->parent = np;
+ it->list_end = list + size / sizeof(*list);
+ it->phandle_end = list;
+ it->cur = list;
+
+ return 0;
+}
+
+int of_phandle_iterator_next(struct of_phandle_iterator *it)
+{
+ uint32_t count = 0;
+
+ if (it->node) {
+ of_node_put(it->node);
+ it->node = NULL;
+ }
+
+ if (!it->cur || it->phandle_end >= it->list_end)
+ return -ENOENT;
+
+ it->cur = it->phandle_end;
+
+ /* If phandle is 0, then it is an empty entry with no arguments. */
+ it->phandle = be32_to_cpup(it->cur++);
+
+ if (it->phandle) {
+
+ /*
+ * Find the provider node and parse the #*-cells property to
+ * determine the argument length.
+ */
+ it->node = of_find_node_by_phandle(it->phandle);
+
+ if (it->cells_name) {
+ if (!it->node) {
+ pr_err("%s: could not find phandle\n",
+ it->parent->full_name);
+ goto err;
+ }
+
+ if (of_property_read_u32(it->node, it->cells_name,
+ &count)) {
+ pr_err("%s: could not get %s for %s\n",
+ it->parent->full_name,
+ it->cells_name,
+ it->node->full_name);
+ goto err;
+ }
+ } else {
+ count = it->cell_count;
+ }
+
+ /*
+ * Make sure that the arguments actually fit in the remaining
+ * property data length
+ */
+ if (it->cur + count > it->list_end) {
+ pr_err("%s: arguments longer than property\n",
+ it->parent->full_name);
+ goto err;
+ }
+ }
+
+ it->phandle_end = it->cur + count;
+ it->cur_count = count;
+
+ return 0;
+
+err:
+ if (it->node) {
+ of_node_put(it->node);
+ it->node = NULL;
+ }
+
+ return -EINVAL;
+}
+
+int of_phandle_iterator_args(struct of_phandle_iterator *it,
+ uint32_t *args,
+ int size)
+{
+ int i, count;
+
+ count = it->cur_count;
+
+ if (WARN_ON(size < count))
+ count = size;
+
+ for (i = 0; i < count; i++)
+ args[i] = be32_to_cpup(it->cur++);
+
+ return count;
+}
+
static int __of_parse_phandle_with_args(const struct device_node *np,
const char *list_name,
const char *cells_name,
int cell_count, int index,
struct of_phandle_args *out_args)
{
- const __be32 *list, *list_end;
- int rc = 0, size, cur_index = 0;
- uint32_t count = 0;
- struct device_node *node = NULL;
- phandle phandle;
-
- /* Retrieve the phandle list property */
- list = of_get_property(np, list_name, &size);
- if (!list)
- return -ENOENT;
- list_end = list + size / sizeof(*list);
+ struct of_phandle_iterator it;
+ int rc, cur_index = 0;
/* Loop over the phandles until all the requested entry is found */
- while (list < list_end) {
- rc = -EINVAL;
- count = 0;
-
+ of_for_each_phandle(&it, rc, np, list_name, cells_name, cell_count) {
/*
- * If phandle is 0, then it is an empty entry with no
- * arguments. Skip forward to the next entry.
- */
- phandle = be32_to_cpup(list++);
- if (phandle) {
- /*
- * Find the provider node and parse the #*-cells
- * property to determine the argument length.
- *
- * This is not needed if the cell count is hard-coded
- * (i.e. cells_name not set, but cell_count is set),
- * except when we're going to return the found node
- * below.
- */
- if (cells_name || cur_index == index) {
- node = of_find_node_by_phandle(phandle);
- if (!node) {
- pr_err("%s: could not find phandle\n",
- np->full_name);
- goto err;
- }
- }
-
- if (cells_name) {
- if (of_property_read_u32(node, cells_name,
- &count)) {
- pr_err("%s: could not get %s for %s\n",
- np->full_name, cells_name,
- node->full_name);
- goto err;
- }
- } else {
- count = cell_count;
- }
-
- /*
- * Make sure that the arguments actually fit in the
- * remaining property data length
- */
- if (list + count > list_end) {
- pr_err("%s: arguments longer than property\n",
- np->full_name);
- goto err;
- }
- }
-
- /*
- * All of the error cases above bail out of the loop, so at
+ * All of the error cases bail out of the loop, so at
* this point, the parsing is successful. If the requested
* index matches, then fill the out_args structure and return,
* or return -ENOENT for an empty entry.
*/
rc = -ENOENT;
if (cur_index == index) {
- if (!phandle)
+ if (!it.phandle)
goto err;
if (out_args) {
- int i;
- if (WARN_ON(count > MAX_PHANDLE_ARGS))
- count = MAX_PHANDLE_ARGS;
- out_args->np = node;
- out_args->args_count = count;
- for (i = 0; i < count; i++)
- out_args->args[i] = be32_to_cpup(list++);
+ int c;
+
+ c = of_phandle_iterator_args(&it,
+ out_args->args,
+ MAX_PHANDLE_ARGS);
+ out_args->np = it.node;
+ out_args->args_count = c;
} else {
- of_node_put(node);
+ of_node_put(it.node);
}
/* Found it! return success */
return 0;
}
- of_node_put(node);
- node = NULL;
- list += count;
cur_index++;
}
@@ -1547,12 +1597,11 @@
* Unlock node before returning result; will be one of:
* -ENOENT : index is for empty phandle
* -EINVAL : parsing error on data
- * [1..n] : Number of phandle (count mode; when index = -1)
*/
- rc = index < 0 ? cur_index : -ENOENT;
+
err:
- if (node)
- of_node_put(node);
+ if (it.node)
+ of_node_put(it.node);
return rc;
}
@@ -1684,8 +1733,20 @@
int of_count_phandle_with_args(const struct device_node *np, const char *list_name,
const char *cells_name)
{
- return __of_parse_phandle_with_args(np, list_name, cells_name, 0, -1,
- NULL);
+ struct of_phandle_iterator it;
+ int rc, cur_index = 0;
+
+ rc = of_phandle_iterator_init(&it, np, list_name, cells_name, 0);
+ if (rc)
+ return rc;
+
+ while ((rc = of_phandle_iterator_next(&it)) == 0)
+ cur_index += 1;
+
+ if (rc != -ENOENT)
+ return rc;
+
+ return cur_index;
}
EXPORT_SYMBOL(of_count_phandle_with_args);
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index c647bd1..3033fa3 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -311,6 +311,7 @@
return rc;
}
+EXPORT_SYMBOL_GPL(of_detach_node);
/**
* of_node_release() - release a dynamically allocated node
@@ -497,6 +498,11 @@
case OF_RECONFIG_UPDATE_PROPERTY:
rce->old_prop = ce->prop;
rce->prop = ce->old_prop;
+ /* update was used but original property did not exist */
+ if (!rce->prop) {
+ rce->action = OF_RECONFIG_REMOVE_PROPERTY;
+ rce->prop = ce->prop;
+ }
break;
}
}
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 3349d2a..14f2f8c 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -161,39 +161,127 @@
return res;
}
-/**
- * unflatten_dt_node - Alloc and populate a device_node from the flat tree
- * @blob: The parent device tree blob
- * @mem: Memory chunk to use for allocating device nodes and properties
- * @poffset: pointer to node in flat tree
- * @dad: Parent struct device_node
- * @nodepp: The device_node tree created by the call
- * @fpsize: Size of the node path up at the current depth.
- * @dryrun: If true, do not allocate device nodes but still calculate needed
- * memory size
- */
-static void * unflatten_dt_node(const void *blob,
- void *mem,
- int *poffset,
- struct device_node *dad,
- struct device_node **nodepp,
- unsigned long fpsize,
+static void populate_properties(const void *blob,
+ int offset,
+ void **mem,
+ struct device_node *np,
+ const char *nodename,
bool dryrun)
{
- const __be32 *p;
+ struct property *pp, **pprev = NULL;
+ int cur;
+ bool has_name = false;
+
+ pprev = &np->properties;
+ for (cur = fdt_first_property_offset(blob, offset);
+ cur >= 0;
+ cur = fdt_next_property_offset(blob, cur)) {
+ const __be32 *val;
+ const char *pname;
+ u32 sz;
+
+ val = fdt_getprop_by_offset(blob, cur, &pname, &sz);
+ if (!val) {
+ pr_warn("%s: Cannot locate property at 0x%x\n",
+ __func__, cur);
+ continue;
+ }
+
+ if (!pname) {
+ pr_warn("%s: Cannot find property name at 0x%x\n",
+ __func__, cur);
+ continue;
+ }
+
+ if (!strcmp(pname, "name"))
+ has_name = true;
+
+ pp = unflatten_dt_alloc(mem, sizeof(struct property),
+ __alignof__(struct property));
+ if (dryrun)
+ continue;
+
+ /* We accept flattened tree phandles either in
+ * ePAPR-style "phandle" properties, or the
+ * legacy "linux,phandle" properties. If both
+ * appear and have different values, things
+ * will get weird. Don't do that.
+ */
+ if (!strcmp(pname, "phandle") ||
+ !strcmp(pname, "linux,phandle")) {
+ if (!np->phandle)
+ np->phandle = be32_to_cpup(val);
+ }
+
+ /* And we process the "ibm,phandle" property
+ * used in pSeries dynamic device tree
+ * stuff
+ */
+ if (!strcmp(pname, "ibm,phandle"))
+ np->phandle = be32_to_cpup(val);
+
+ pp->name = (char *)pname;
+ pp->length = sz;
+ pp->value = (__be32 *)val;
+ *pprev = pp;
+ pprev = &pp->next;
+ }
+
+ /* With version 0x10 we may not have the name property,
+ * recreate it here from the unit name if absent
+ */
+ if (!has_name) {
+ const char *p = nodename, *ps = p, *pa = NULL;
+ int len;
+
+ while (*p) {
+ if ((*p) == '@')
+ pa = p;
+ else if ((*p) == '/')
+ ps = p + 1;
+ p++;
+ }
+
+ if (pa < ps)
+ pa = p;
+ len = (pa - ps) + 1;
+ pp = unflatten_dt_alloc(mem, sizeof(struct property) + len,
+ __alignof__(struct property));
+ if (!dryrun) {
+ pp->name = "name";
+ pp->length = len;
+ pp->value = pp + 1;
+ *pprev = pp;
+ pprev = &pp->next;
+ memcpy(pp->value, ps, len - 1);
+ ((char *)pp->value)[len - 1] = 0;
+ pr_debug("fixed up name for %s -> %s\n",
+ nodename, (char *)pp->value);
+ }
+ }
+
+ if (!dryrun)
+ *pprev = NULL;
+}
+
+static unsigned int populate_node(const void *blob,
+ int offset,
+ void **mem,
+ struct device_node *dad,
+ unsigned int fpsize,
+ struct device_node **pnp,
+ bool dryrun)
+{
struct device_node *np;
- struct property *pp, **prev_pp = NULL;
const char *pathp;
unsigned int l, allocl;
- static int depth;
- int old_depth;
- int offset;
- int has_name = 0;
int new_format = 0;
- pathp = fdt_get_name(blob, *poffset, &l);
- if (!pathp)
- return mem;
+ pathp = fdt_get_name(blob, offset, &l);
+ if (!pathp) {
+ *pnp = NULL;
+ return 0;
+ }
allocl = ++l;
@@ -223,7 +311,7 @@
}
}
- np = unflatten_dt_alloc(&mem, sizeof(struct device_node) + allocl,
+ np = unflatten_dt_alloc(mem, sizeof(struct device_node) + allocl,
__alignof__(struct device_node));
if (!dryrun) {
char *fn;
@@ -246,89 +334,15 @@
}
memcpy(fn, pathp, l);
- prev_pp = &np->properties;
if (dad != NULL) {
np->parent = dad;
np->sibling = dad->child;
dad->child = np;
}
}
- /* process properties */
- for (offset = fdt_first_property_offset(blob, *poffset);
- (offset >= 0);
- (offset = fdt_next_property_offset(blob, offset))) {
- const char *pname;
- u32 sz;
- if (!(p = fdt_getprop_by_offset(blob, offset, &pname, &sz))) {
- offset = -FDT_ERR_INTERNAL;
- break;
- }
-
- if (pname == NULL) {
- pr_info("Can't find property name in list !\n");
- break;
- }
- if (strcmp(pname, "name") == 0)
- has_name = 1;
- pp = unflatten_dt_alloc(&mem, sizeof(struct property),
- __alignof__(struct property));
- if (!dryrun) {
- /* We accept flattened tree phandles either in
- * ePAPR-style "phandle" properties, or the
- * legacy "linux,phandle" properties. If both
- * appear and have different values, things
- * will get weird. Don't do that. */
- if ((strcmp(pname, "phandle") == 0) ||
- (strcmp(pname, "linux,phandle") == 0)) {
- if (np->phandle == 0)
- np->phandle = be32_to_cpup(p);
- }
- /* And we process the "ibm,phandle" property
- * used in pSeries dynamic device tree
- * stuff */
- if (strcmp(pname, "ibm,phandle") == 0)
- np->phandle = be32_to_cpup(p);
- pp->name = (char *)pname;
- pp->length = sz;
- pp->value = (__be32 *)p;
- *prev_pp = pp;
- prev_pp = &pp->next;
- }
- }
- /* with version 0x10 we may not have the name property, recreate
- * it here from the unit name if absent
- */
- if (!has_name) {
- const char *p1 = pathp, *ps = pathp, *pa = NULL;
- int sz;
-
- while (*p1) {
- if ((*p1) == '@')
- pa = p1;
- if ((*p1) == '/')
- ps = p1 + 1;
- p1++;
- }
- if (pa < ps)
- pa = p1;
- sz = (pa - ps) + 1;
- pp = unflatten_dt_alloc(&mem, sizeof(struct property) + sz,
- __alignof__(struct property));
- if (!dryrun) {
- pp->name = "name";
- pp->length = sz;
- pp->value = pp + 1;
- *prev_pp = pp;
- prev_pp = &pp->next;
- memcpy(pp->value, ps, sz - 1);
- ((char *)pp->value)[sz - 1] = 0;
- pr_debug("fixed up name for %s -> %s\n", pathp,
- (char *)pp->value);
- }
- }
+ populate_properties(blob, offset, mem, np, pathp, dryrun);
if (!dryrun) {
- *prev_pp = NULL;
np->name = of_get_property(np, "name", NULL);
np->type = of_get_property(np, "device_type", NULL);
@@ -338,36 +352,94 @@
np->type = "<NULL>";
}
- old_depth = depth;
- *poffset = fdt_next_node(blob, *poffset, &depth);
- if (depth < 0)
- depth = 0;
- while (*poffset > 0 && depth > old_depth)
- mem = unflatten_dt_node(blob, mem, poffset, np, NULL,
- fpsize, dryrun);
+ *pnp = np;
+ return fpsize;
+}
- if (*poffset < 0 && *poffset != -FDT_ERR_NOTFOUND)
- pr_err("unflatten: error %d processing FDT\n", *poffset);
+static void reverse_nodes(struct device_node *parent)
+{
+ struct device_node *child, *next;
+
+ /* In-depth first */
+ child = parent->child;
+ while (child) {
+ reverse_nodes(child);
+
+ child = child->sibling;
+ }
+
+ /* Reverse the nodes in the child list */
+ child = parent->child;
+ parent->child = NULL;
+ while (child) {
+ next = child->sibling;
+
+ child->sibling = parent->child;
+ parent->child = child;
+ child = next;
+ }
+}
+
+/**
+ * unflatten_dt_nodes - Alloc and populate a device_node from the flat tree
+ * @blob: The parent device tree blob
+ * @mem: Memory chunk to use for allocating device nodes and properties
+ * @dad: Parent struct device_node
+ * @nodepp: The device_node tree created by the call
+ *
+ * It returns the size of unflattened device tree or error code
+ */
+static int unflatten_dt_nodes(const void *blob,
+ void *mem,
+ struct device_node *dad,
+ struct device_node **nodepp)
+{
+ struct device_node *root;
+ int offset = 0, depth = 0;
+#define FDT_MAX_DEPTH 64
+ unsigned int fpsizes[FDT_MAX_DEPTH];
+ struct device_node *nps[FDT_MAX_DEPTH];
+ void *base = mem;
+ bool dryrun = !base;
+
+ if (nodepp)
+ *nodepp = NULL;
+
+ root = dad;
+ fpsizes[depth] = dad ? strlen(of_node_full_name(dad)) : 0;
+ nps[depth] = dad;
+ for (offset = 0;
+ offset >= 0 && depth >= 0;
+ offset = fdt_next_node(blob, offset, &depth)) {
+ if (WARN_ON_ONCE(depth >= FDT_MAX_DEPTH))
+ continue;
+
+ fpsizes[depth+1] = populate_node(blob, offset, &mem,
+ nps[depth],
+ fpsizes[depth],
+ &nps[depth+1], dryrun);
+ if (!fpsizes[depth+1])
+ return mem - base;
+
+ if (!dryrun && nodepp && !*nodepp)
+ *nodepp = nps[depth+1];
+ if (!dryrun && !root)
+ root = nps[depth+1];
+ }
+
+ if (offset < 0 && offset != -FDT_ERR_NOTFOUND) {
+ pr_err("%s: Error %d processing FDT\n", __func__, offset);
+ return -EINVAL;
+ }
/*
* Reverse the child list. Some drivers assumes node order matches .dts
* node order
*/
- if (!dryrun && np->child) {
- struct device_node *child = np->child;
- np->child = NULL;
- while (child) {
- struct device_node *next = child->sibling;
- child->sibling = np->child;
- np->child = child;
- child = next;
- }
- }
+ if (!dryrun)
+ reverse_nodes(root);
- if (nodepp)
- *nodepp = np;
-
- return mem;
+ return mem - base;
}
/**
@@ -378,23 +450,27 @@
* pointers of the nodes so the normal device-tree walking functions
* can be used.
* @blob: The blob to expand
+ * @dad: Parent device node
* @mynodes: The device_node tree created by the call
* @dt_alloc: An allocator that provides a virtual address to memory
* for the resulting tree
+ *
+ * Returns NULL on failure or the memory chunk containing the unflattened
+ * device tree on success.
*/
-static void __unflatten_device_tree(const void *blob,
- struct device_node **mynodes,
- void * (*dt_alloc)(u64 size, u64 align))
+static void *__unflatten_device_tree(const void *blob,
+ struct device_node *dad,
+ struct device_node **mynodes,
+ void *(*dt_alloc)(u64 size, u64 align))
{
- unsigned long size;
- int start;
+ int size;
void *mem;
pr_debug(" -> unflatten_device_tree()\n");
if (!blob) {
pr_debug("No device tree pointer\n");
- return;
+ return NULL;
}
pr_debug("Unflattening device tree:\n");
@@ -404,15 +480,16 @@
if (fdt_check_header(blob)) {
pr_err("Invalid device tree blob header\n");
- return;
+ return NULL;
}
/* First pass, scan for size */
- start = 0;
- size = (unsigned long)unflatten_dt_node(blob, NULL, &start, NULL, NULL, 0, true);
- size = ALIGN(size, 4);
+ size = unflatten_dt_nodes(blob, NULL, dad, NULL);
+ if (size < 0)
+ return NULL;
- pr_debug(" size is %lx, allocating...\n", size);
+ size = ALIGN(size, 4);
+ pr_debug(" size is %d, allocating...\n", size);
/* Allocate memory for the expanded device tree */
mem = dt_alloc(size + 4, __alignof__(struct device_node));
@@ -423,13 +500,13 @@
pr_debug(" unflattening %p...\n", mem);
/* Second pass, do actual unflattening */
- start = 0;
- unflatten_dt_node(blob, mem, &start, NULL, mynodes, 0, false);
+ unflatten_dt_nodes(blob, mem, dad, mynodes);
if (be32_to_cpup(mem + size) != 0xdeadbeef)
pr_warning("End of tree marker overwritten: %08x\n",
be32_to_cpup(mem + size));
pr_debug(" <- unflatten_device_tree()\n");
+ return mem;
}
static void *kernel_tree_alloc(u64 size, u64 align)
@@ -441,18 +518,29 @@
/**
* of_fdt_unflatten_tree - create tree of device_nodes from flat blob
+ * @blob: Flat device tree blob
+ * @dad: Parent device node
+ * @mynodes: The device tree created by the call
*
* unflattens the device-tree passed by the firmware, creating the
* tree of struct device_node. It also fills the "name" and "type"
* pointers of the nodes so the normal device-tree walking functions
* can be used.
+ *
+ * Returns NULL on failure or the memory chunk containing the unflattened
+ * device tree on success.
*/
-void of_fdt_unflatten_tree(const unsigned long *blob,
- struct device_node **mynodes)
+void *of_fdt_unflatten_tree(const unsigned long *blob,
+ struct device_node *dad,
+ struct device_node **mynodes)
{
+ void *mem;
+
mutex_lock(&of_fdt_unflatten_mutex);
- __unflatten_device_tree(blob, mynodes, &kernel_tree_alloc);
+ mem = __unflatten_device_tree(blob, dad, mynodes, &kernel_tree_alloc);
mutex_unlock(&of_fdt_unflatten_mutex);
+
+ return mem;
}
EXPORT_SYMBOL_GPL(of_fdt_unflatten_tree);
@@ -969,10 +1057,16 @@
* is set in which case we override whatever was found earlier.
*/
#ifdef CONFIG_CMDLINE
-#ifndef CONFIG_CMDLINE_FORCE
+#if defined(CONFIG_CMDLINE_EXTEND)
+ strlcat(data, " ", COMMAND_LINE_SIZE);
+ strlcat(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#elif defined(CONFIG_CMDLINE_FORCE)
+ strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#else
+ /* No arguments from boot loader, use kernel's cmdl*/
if (!((char *)data)[0])
-#endif
strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#endif
#endif /* CONFIG_CMDLINE */
pr_debug("Command line is: %s\n", (char*)data);
@@ -1118,7 +1212,7 @@
*/
void __init unflatten_device_tree(void)
{
- __unflatten_device_tree(initial_boot_params, &of_root,
+ __unflatten_device_tree(initial_boot_params, NULL, &of_root,
early_init_dt_alloc_memory_arch);
/* Get pointer to "/chosen" and "/aliases" nodes for use everywhere */
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index c1ebbfb..f34ed93 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -8,7 +8,6 @@
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/hashtable.h>
-#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
@@ -921,7 +920,7 @@
"not running tests\n", __func__);
return -ENOMEM;
}
- of_fdt_unflatten_tree(unittest_data, &unittest_data_node);
+ of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
if (!unittest_data_node) {
pr_warn("%s: No tree to attach; not running tests\n", __func__);
return -ENODATA;
diff --git a/include/linux/of.h b/include/linux/of.h
index 77ddace..c7292e8 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -75,6 +75,23 @@
uint32_t args[MAX_PHANDLE_ARGS];
};
+struct of_phandle_iterator {
+ /* Common iterator information */
+ const char *cells_name;
+ int cell_count;
+ const struct device_node *parent;
+
+ /* List size information */
+ const __be32 *list_end;
+ const __be32 *phandle_end;
+
+ /* Current position state */
+ const __be32 *cur;
+ uint32_t cur_count;
+ phandle phandle;
+ struct device_node *node;
+};
+
struct of_reconfig_data {
struct device_node *dn;
struct property *prop;
@@ -334,6 +351,18 @@
extern int of_count_phandle_with_args(const struct device_node *np,
const char *list_name, const char *cells_name);
+/* phandle iterator functions */
+extern int of_phandle_iterator_init(struct of_phandle_iterator *it,
+ const struct device_node *np,
+ const char *list_name,
+ const char *cells_name,
+ int cell_count);
+
+extern int of_phandle_iterator_next(struct of_phandle_iterator *it);
+extern int of_phandle_iterator_args(struct of_phandle_iterator *it,
+ uint32_t *args,
+ int size);
+
extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align));
extern int of_alias_get_id(struct device_node *np, const char *stem);
extern int of_alias_get_highest_id(const char *stem);
@@ -608,6 +637,27 @@
return -ENOSYS;
}
+static inline int of_phandle_iterator_init(struct of_phandle_iterator *it,
+ const struct device_node *np,
+ const char *list_name,
+ const char *cells_name,
+ int cell_count)
+{
+ return -ENOSYS;
+}
+
+static inline int of_phandle_iterator_next(struct of_phandle_iterator *it)
+{
+ return -ENOSYS;
+}
+
+static inline int of_phandle_iterator_args(struct of_phandle_iterator *it,
+ uint32_t *args,
+ int size)
+{
+ return 0;
+}
+
static inline int of_alias_get_id(struct device_node *np, const char *stem)
{
return -ENOSYS;
@@ -877,6 +927,12 @@
return of_property_read_u32(np, propname, (u32*) out_value);
}
+#define of_for_each_phandle(it, err, np, ln, cn, cc) \
+ for (of_phandle_iterator_init((it), (np), (ln), (cn), (cc)), \
+ err = of_phandle_iterator_next(it); \
+ err == 0; \
+ err = of_phandle_iterator_next(it))
+
#define of_property_for_each_u32(np, propname, prop, p, u) \
for (prop = of_find_property(np, propname, NULL), \
p = of_prop_next_u32(prop, NULL, &u); \
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 2fbe868..901ec01 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -37,8 +37,9 @@
unsigned long node);
extern int of_fdt_match(const void *blob, unsigned long node,
const char *const *compat);
-extern void of_fdt_unflatten_tree(const unsigned long *blob,
- struct device_node **mynodes);
+extern void *of_fdt_unflatten_tree(const unsigned long *blob,
+ struct device_node *dad,
+ struct device_node **mynodes);
/* TBD: Temporary export of fdt globals - remove when code fully merged */
extern int __initdata dt_root_addr_cells;
diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h
index f8bcd0e..bb3a5a2 100644
--- a/include/linux/of_graph.h
+++ b/include/linux/of_graph.h
@@ -15,6 +15,7 @@
#define __LINUX_OF_GRAPH_H
#include <linux/types.h>
+#include <linux/errno.h>
/**
* struct of_endpoint - the OF graph endpoint data structure
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index ddf83d0..ed1b7c4 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -277,6 +277,11 @@
# ---------------------------------------------------------------------------
DTC ?= $(objtree)/scripts/dtc/dtc
+# Disable noisy checks by default
+ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
+DTC_FLAGS += -Wno-unit_address_vs_reg
+endif
+
# Generate an assembly file to wrap the output of the device tree compiler
quiet_cmd_dt_S_dtb= DTB $@
cmd_dt_S_dtb= \
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 0c03ac9..386f956 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -294,6 +294,30 @@
}
NODE_ERROR(node_name_format, NULL, &node_name_chars);
+static void check_unit_address_vs_reg(struct check *c, struct node *dt,
+ struct node *node)
+{
+ const char *unitname = get_unitname(node);
+ struct property *prop = get_property(node, "reg");
+
+ if (!prop) {
+ prop = get_property(node, "ranges");
+ if (prop && !prop->val.len)
+ prop = NULL;
+ }
+
+ if (prop) {
+ if (!unitname[0])
+ FAIL(c, "Node %s has a reg or ranges property, but no unit name",
+ node->fullpath);
+ } else {
+ if (unitname[0])
+ FAIL(c, "Node %s has a unit name, but no reg property",
+ node->fullpath);
+ }
+}
+NODE_WARNING(unit_address_vs_reg, NULL);
+
static void check_property_name_chars(struct check *c, struct node *dt,
struct node *node, struct property *prop)
{
@@ -667,6 +691,8 @@
&addr_size_cells, ®_format, &ranges_format,
+ &unit_address_vs_reg,
+
&avoid_default_addr_size,
&obsolete_chosen_interrupt_controller,
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index bd99fa2..ec14954 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -889,7 +889,7 @@
if (version >= 3) {
uint32_t size_str = fdt32_to_cpu(fdt->size_dt_strings);
- if (off_str+size_str > totalsize)
+ if ((off_str+size_str < off_str) || (off_str+size_str > totalsize))
die("String table extends past total size\n");
inbuf_init(&strbuf, blob + off_str, blob + off_str + size_str);
} else {
@@ -898,7 +898,7 @@
if (version >= 17) {
size_dt = fdt32_to_cpu(fdt->size_dt_struct);
- if (off_dt+size_dt > totalsize)
+ if ((off_dt+size_dt < off_dt) || (off_dt+size_dt > totalsize))
die("Structure block extends past total size\n");
}
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c
index e5b3136..50cce86 100644
--- a/scripts/dtc/libfdt/fdt_ro.c
+++ b/scripts/dtc/libfdt/fdt_ro.c
@@ -647,10 +647,8 @@
prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
if (!prop)
return len;
- if (fdt_stringlist_contains(prop, len, compatible))
- return 0;
- else
- return 1;
+
+ return !fdt_stringlist_contains(prop, len, compatible);
}
int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h
index 11d93e6..ad9b05a 100644
--- a/scripts/dtc/version_gen.h
+++ b/scripts/dtc/version_gen.h
@@ -1 +1 @@
-#define DTC_VERSION "DTC 1.4.1-gb06e55c8"
+#define DTC_VERSION "DTC 1.4.1-g53bf130b"