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authorDavid S. Miller <davem@davemloft.net>2014-06-26 09:40:43 +0400
committerDavid S. Miller <davem@davemloft.net>2014-06-26 09:40:43 +0400
commit9b8d90b963dcc6d3f3f6a616b3547ea1c8b03525 (patch)
treebca8230897630ca6721bdd7b959142984afa256a /Documentation
parent644a918d20336a7deaa81f675c3c2f25bf3dafbb (diff)
parentd7933ab727ed035bdf420d7381b831ba959cecc5 (diff)
downloadlinux-9b8d90b963dcc6d3f3f6a616b3547ea1c8b03525.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/DocBook/media/Makefile4
-rw-r--r--Documentation/accounting/getdelays.c1
-rw-r--r--Documentation/devicetree/bindings/arm/armada-38x.txt14
-rw-r--r--Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt2
-rw-r--r--Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt20
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-rk3x.txt42
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt41
-rw-r--r--Documentation/devicetree/bindings/vendor-prefixes.txt1
-rw-r--r--Documentation/hwmon/ntc_thermistor8
-rw-r--r--Documentation/kbuild/makefiles.txt2
-rw-r--r--Documentation/kernel-parameters.txt19
-rw-r--r--Documentation/memory-hotplug.txt15
-rw-r--r--Documentation/ptp/testptp.c5
-rw-r--r--Documentation/sysctl/kernel.txt17
-rw-r--r--Documentation/sysctl/vm.txt3
-rw-r--r--Documentation/thermal/nouveau_thermal7
16 files changed, 167 insertions, 34 deletions
diff --git a/Documentation/DocBook/media/Makefile b/Documentation/DocBook/media/Makefile
index 1d27f0a1abd1..639e74857968 100644
--- a/Documentation/DocBook/media/Makefile
+++ b/Documentation/DocBook/media/Makefile
@@ -202,8 +202,8 @@ $(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
$(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
@$($(quiet)gen_xml)
- @(ln -sf $(MEDIA_SRC_DIR)/v4l/*xml $(MEDIA_OBJ_DIR)/)
- @(ln -sf $(MEDIA_SRC_DIR)/dvb/*xml $(MEDIA_OBJ_DIR)/)
+ @(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/v4l/*xml $(MEDIA_OBJ_DIR)/)
+ @(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/dvb/*xml $(MEDIA_OBJ_DIR)/)
$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index c6a06b71594d..f40578026a04 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -314,6 +314,7 @@ int main(int argc, char *argv[])
break;
case 'm':
strncpy(cpumask, optarg, sizeof(cpumask));
+ cpumask[sizeof(cpumask) - 1] = '\0';
maskset = 1;
printf("cpumask %s maskset %d\n", cpumask, maskset);
break;
diff --git a/Documentation/devicetree/bindings/arm/armada-38x.txt b/Documentation/devicetree/bindings/arm/armada-38x.txt
index 11f2330a6554..ad9f8ed4d9bd 100644
--- a/Documentation/devicetree/bindings/arm/armada-38x.txt
+++ b/Documentation/devicetree/bindings/arm/armada-38x.txt
@@ -6,5 +6,15 @@ following property:
Required root node property:
- - compatible: must contain either "marvell,armada380" or
- "marvell,armada385" depending on the variant of the SoC being used.
+ - compatible: must contain "marvell,armada380"
+
+In addition, boards using the Marvell Armada 385 SoC shall have the
+following property before the previous one:
+
+Required root node property:
+
+compatible: must contain "marvell,armada385"
+
+Example:
+
+compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada380";
diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
index 5d49f2b37f68..832fe8cc24d7 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
@@ -48,7 +48,7 @@ adc@12D10000 {
/* NTC thermistor is a hwmon device */
ncp15wb473@0 {
- compatible = "ntc,ncp15wb473";
+ compatible = "murata,ncp15wb473";
pullup-uv = <1800000>;
pullup-ohm = <47000>;
pulldown-ohm = <0>;
diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
index c6f66674f19c..b117b2e9e1a7 100644
--- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
+++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt
@@ -3,11 +3,19 @@ NTC Thermistor hwmon sensors
Requires node properties:
- "compatible" value : one of
- "ntc,ncp15wb473"
- "ntc,ncp18wb473"
- "ntc,ncp21wb473"
- "ntc,ncp03wb473"
- "ntc,ncp15wl333"
+ "murata,ncp15wb473"
+ "murata,ncp18wb473"
+ "murata,ncp21wb473"
+ "murata,ncp03wb473"
+ "murata,ncp15wl333"
+
+/* Usage of vendor name "ntc" is deprecated */
+<DEPRECATED> "ntc,ncp15wb473"
+<DEPRECATED> "ntc,ncp18wb473"
+<DEPRECATED> "ntc,ncp21wb473"
+<DEPRECATED> "ntc,ncp03wb473"
+<DEPRECATED> "ntc,ncp15wl333"
+
- "pullup-uv" Pull up voltage in micro volts
- "pullup-ohm" Pull up resistor value in ohms
- "pulldown-ohm" Pull down resistor value in ohms
@@ -21,7 +29,7 @@ Read more about iio bindings at
Example:
ncp15wb473@0 {
- compatible = "ntc,ncp15wb473";
+ compatible = "murata,ncp15wb473";
pullup-uv = <1800000>;
pullup-ohm = <47000>;
pulldown-ohm = <0>;
diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
new file mode 100644
index 000000000000..dde6c22ce91a
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
@@ -0,0 +1,42 @@
+* Rockchip RK3xxx I2C controller
+
+This driver interfaces with the native I2C controller present in Rockchip
+RK3xxx SoCs.
+
+Required properties :
+
+ - reg : Offset and length of the register set for the device
+ - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c" or
+ "rockchip,rk3288-i2c".
+ - interrupts : interrupt number
+ - clocks : parent clock
+
+Required on RK3066, RK3188 :
+
+ - rockchip,grf : the phandle of the syscon node for the general register
+ file (GRF)
+ - on those SoCs an alias with the correct I2C bus ID (bit offset in the GRF)
+ is also required.
+
+Optional properties :
+
+ - clock-frequency : SCL frequency to use (in Hz). If omitted, 100kHz is used.
+
+Example:
+
+aliases {
+ i2c0 = &i2c0;
+}
+
+i2c0: i2c@2002d000 {
+ compatible = "rockchip,rk3188-i2c";
+ reg = <0x2002d000 0x1000>;
+ interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rockchip,grf = <&grf>;
+
+ clock-names = "i2c";
+ clocks = <&cru PCLK_I2C0>;
+};
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
new file mode 100644
index 000000000000..6b765485af7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
@@ -0,0 +1,41 @@
+
+* Allwinner P2WI (Push/Pull 2 Wire Interface) controller
+
+Required properties :
+
+ - reg : Offset and length of the register set for the device.
+ - compatible : Should one of the following:
+ - "allwinner,sun6i-a31-p2wi"
+ - interrupts : The interrupt line connected to the P2WI peripheral.
+ - clocks : The gate clk connected to the P2WI peripheral.
+ - resets : The reset line connected to the P2WI peripheral.
+
+Optional properties :
+
+ - clock-frequency : Desired P2WI bus clock frequency in Hz. If not set the
+default frequency is 100kHz
+
+A P2WI may contain one child node encoding a P2WI slave device.
+
+Slave device properties:
+ Required properties:
+ - reg : the I2C slave address used during the initialization
+ process to switch from I2C to P2WI mode
+
+Example:
+
+ p2wi@01f03400 {
+ compatible = "allwinner,sun6i-a31-p2wi";
+ reg = <0x01f03400 0x400>;
+ interrupts = <0 39 4>;
+ clocks = <&apb0_gates 3>;
+ clock-frequency = <6000000>;
+ resets = <&apb0_rst 3>;
+
+ axp221: pmic@68 {
+ compatible = "x-powers,axp221";
+ reg = <0x68>;
+
+ /* ... */
+ };
+ };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 4d7f3758d1b4..46a311e728a8 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -83,6 +83,7 @@ mosaixtech Mosaix Technologies, Inc.
moxa Moxa
mpl MPL AG
mundoreader Mundo Reader S.L.
+murata Murata Manufacturing Co., Ltd.
mxicy Macronix International Co., Ltd.
national National Semiconductor
neonode Neonode Inc.
diff --git a/Documentation/hwmon/ntc_thermistor b/Documentation/hwmon/ntc_thermistor
index 3bfda94096fd..057b77029f26 100644
--- a/Documentation/hwmon/ntc_thermistor
+++ b/Documentation/hwmon/ntc_thermistor
@@ -1,7 +1,7 @@
Kernel driver ntc_thermistor
=================
-Supported thermistors:
+Supported thermistors from Murata:
* Murata NTC Thermistors NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, NCP15WL333
Prefixes: 'ncp15wb473', 'ncp18wb473', 'ncp21wb473', 'ncp03wb473', 'ncp15wl333'
Datasheet: Publicly available at Murata
@@ -15,9 +15,9 @@ Authors:
Description
-----------
-The NTC thermistor is a simple thermistor that requires users to provide the
-resistance and lookup the corresponding compensation table to get the
-temperature input.
+The NTC (Negative Temperature Coefficient) thermistor is a simple thermistor
+that requires users to provide the resistance and lookup the corresponding
+compensation table to get the temperature input.
The NTC driver provides lookup tables with a linear approximation function
and four circuit models with an option not to use any of the four models.
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index d567a7cc552b..c600e2f44a62 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -1171,7 +1171,7 @@ When kbuild executes, the following steps are followed (roughly):
obvious reason.
dtc
- Create flattend device tree blob object suitable for linking
+ Create flattened device tree blob object suitable for linking
into vmlinux. Device tree blobs linked into vmlinux are placed
in an init section in the image. Platform code *must* copy the
blob to non-init memory prior to calling unflatten_device_tree().
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 6eaa9cdb7094..c1b9aa8c5a52 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1474,6 +1474,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
js= [HW,JOY] Analog joystick
See Documentation/input/joystick.txt.
+ kaslr/nokaslr [X86]
+ Enable/disable kernel and module base offset ASLR
+ (Address Space Layout Randomization) if built into
+ the kernel. When CONFIG_HIBERNATION is selected,
+ kASLR is disabled by default. When kASLR is enabled,
+ hibernation will be disabled.
+
keepinitrd [HW,ARM]
kernelcore=nn[KMG] [KNL,X86,IA-64,PPC] This parameter
@@ -2110,10 +2117,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
noapic [SMP,APIC] Tells the kernel to not make use of any
IOAPICs that may be present in the system.
- nokaslr [X86]
- Disable kernel and module base offset ASLR (Address
- Space Layout Randomization) if built into the kernel.
-
noautogroup Disable scheduler automatic task group creation.
nobats [PPC] Do not use BATs for mapping kernel lowmem
@@ -2184,6 +2187,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
in certain environments such as networked servers or
real-time systems.
+ nohibernate [HIBERNATION] Disable hibernation and resume.
+
nohz= [KNL] Boottime enable/disable dynamic ticks
Valid arguments: on, off
Default: on
@@ -2980,6 +2985,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
noresume Don't check if there's a hibernation image
present during boot.
nocompress Don't compress/decompress hibernation images.
+ no Disable hibernation and resume.
retain_initrd [RAM] Keep initrd memory after extraction
@@ -3124,6 +3130,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
[KNL] Should the soft-lockup detector generate panics.
Format: <integer>
+ softlockup_all_cpu_backtrace=
+ [KNL] Should the soft-lockup detector generate
+ backtraces on all cpus.
+ Format: <integer>
+
sonypi.*= [HW] Sony Programmable I/O Control Device driver
See Documentation/laptops/sonypi.txt
diff --git a/Documentation/memory-hotplug.txt b/Documentation/memory-hotplug.txt
index f304edb8fbe7..45134dc23854 100644
--- a/Documentation/memory-hotplug.txt
+++ b/Documentation/memory-hotplug.txt
@@ -209,15 +209,12 @@ If memory device is found, memory hotplug code will be called.
4.2 Notify memory hot-add event by hand
------------
-On powerpc, the firmware does not notify a memory hotplug event to the kernel.
-Therefore, "probe" interface is supported to notify the event to the kernel.
-This interface depends on CONFIG_ARCH_MEMORY_PROBE.
-
-CONFIG_ARCH_MEMORY_PROBE is supported on powerpc only. On x86, this config
-option is disabled by default since ACPI notifies a memory hotplug event to
-the kernel, which performs its hotplug operation as the result. Please
-enable this option if you need the "probe" interface for testing purposes
-on x86.
+On some architectures, the firmware may not notify the kernel of a memory
+hotplug event. Therefore, the memory "probe" interface is supported to
+explicitly notify the kernel. This interface depends on
+CONFIG_ARCH_MEMORY_PROBE and can be configured on powerpc, sh, and x86
+if hotplug is supported, although for x86 this should be handled by ACPI
+notification.
Probe interface is located at
/sys/devices/system/memory/probe
diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c
index f1ac2dae999e..ba1d50200c46 100644
--- a/Documentation/ptp/testptp.c
+++ b/Documentation/ptp/testptp.c
@@ -17,6 +17,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
@@ -46,12 +47,14 @@
#define CLOCK_INVALID -1
#endif
-/* When glibc offers the syscall, this will go away. */
+/* clock_adjtime is not available in GLIBC < 2.14 */
+#if !__GLIBC_PREREQ(2, 14)
#include <sys/syscall.h>
static int clock_adjtime(clockid_t id, struct timex *tx)
{
return syscall(__NR_clock_adjtime, id, tx);
}
+#endif
static clockid_t get_clockid(int fd)
{
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 708bb7f1b7e0..c14374e71775 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -75,6 +75,7 @@ show up in /proc/sys/kernel:
- shmall
- shmmax [ sysv ipc ]
- shmmni
+- softlockup_all_cpu_backtrace
- stop-a [ SPARC only ]
- sysrq ==> Documentation/sysrq.txt
- sysctl_writes_strict
@@ -783,6 +784,22 @@ via the /proc/sys interface:
==============================================================
+softlockup_all_cpu_backtrace:
+
+This value controls the soft lockup detector thread's behavior
+when a soft lockup condition is detected as to whether or not
+to gather further debug information. If enabled, each cpu will
+be issued an NMI and instructed to capture stack trace.
+
+This feature is only applicable for architectures which support
+NMI.
+
+0: do nothing. This is the default behavior.
+
+1: on detection capture more debug information.
+
+==============================================================
+
tainted:
Non-zero if the kernel has been tainted. Numeric values, which
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index bd4b34c03738..4415aa915681 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -702,7 +702,8 @@ The batch value of each per cpu pagelist is also updated as a result. It is
set to pcp->high/4. The upper limit of batch is (PAGE_SHIFT * 8)
The initial value is zero. Kernel does not use this value at boot time to set
-the high water marks for each per cpu page list.
+the high water marks for each per cpu page list. If the user writes '0' to this
+sysctl, it will revert to this default behavior.
==============================================================
diff --git a/Documentation/thermal/nouveau_thermal b/Documentation/thermal/nouveau_thermal
index efceb7828f54..60bc29357ac3 100644
--- a/Documentation/thermal/nouveau_thermal
+++ b/Documentation/thermal/nouveau_thermal
@@ -4,7 +4,7 @@ Kernel driver nouveau
Supported chips:
* NV43+
-Authors: Martin Peres (mupuf) <martin.peres@labri.fr>
+Authors: Martin Peres (mupuf) <martin.peres@free.fr>
Description
---------
@@ -68,8 +68,9 @@ Your fan can be driven in different modes:
NOTE: Be sure to use the manual mode if you want to drive the fan speed manually
-NOTE2: Not all fan management modes may be supported on all chipsets. We are
-working on it.
+NOTE2: When operating in manual mode outside the vbios-defined
+[PWM_min, PWM_max] range, the reported fan speed (RPM) may not be accurate
+depending on your hardware.
Bug reports
---------