---

yaml
---
r: 313871
b: refs/heads/master
c: e017507
h: refs/heads/master
i:
  313869: b9378ef
  313867: b9eef8a
  313863: a726f8a
  313855: f842579
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 27f6b416626a240e1b46f646d2e0c5266f4eac95
+refs/heads/master: e017507f37d5cb8b541df165a824958bc333bec3

trunk/.mailmap

@@ -111,6 +111,7 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
 Uwe Kleine-König <ukl@pengutronix.de>
 Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
 Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
+Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com>
 Takashi YOSHII <takashi.yoshii.zj@renesas.com>
 Yusuke Goda <goda.yusuke@renesas.com>
 Gustavo Padovan <gustavo@las.ic.unicamp.br>

trunk/Documentation/ABI/testing/sysfs-block-rssd

@@ -1,26 +1,5 @@
-What:           /sys/block/rssd*/registers
-Date:           March 2012
-KernelVersion:  3.3
-Contact:        Asai Thambi S P <asamymuthupa@micron.com>
-Description:    This is a read-only file. Dumps below driver information and
-                hardware registers.
-                    - S ACTive
-                    - Command Issue
-                    - Completed
-                    - PORT IRQ STAT
-                    - HOST IRQ STAT
-                    - Allocated
-                    - Commands in Q
-
 What:           /sys/block/rssd*/status
 Date:           April 2012
 KernelVersion:  3.4
 Contact:        Asai Thambi S P <asamymuthupa@micron.com>
 Description:    This is a read-only file. Indicates the status of the device.
-
-What:           /sys/block/rssd*/flags
-Date:           May 2012
-KernelVersion:  3.5
-Contact:        Asai Thambi S P <asamymuthupa@micron.com>
-Description:    This is a read-only file. Dumps the flags in port and driver
-                data structure

trunk/Documentation/ABI/testing/sysfs-bus-iio

@@ -219,6 +219,7 @@ What:		/sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
 What:		/sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
 What:		/sys/bus/iio/devices/iio:deviceX/in_voltage_scale
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
 What:		/sys/bus/iio/devices/iio:deviceX/in_accel_scale
 What:		/sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
 What:		/sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
@@ -273,6 +274,7 @@ What:		/sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
 What:		/sys/.../iio:deviceX/in_voltageX_scale_available
 What:		/sys/.../iio:deviceX/in_voltage-voltage_scale_available
 What:		/sys/.../iio:deviceX/out_voltageX_scale_available
+What:		/sys/.../iio:deviceX/out_altvoltageX_scale_available
 What:		/sys/.../iio:deviceX/in_capacitance_scale_available
 KernelVersion:	2.635
 Contact:	linux-iio@vger.kernel.org
@@ -298,14 +300,19 @@ Description:
 		gives the 3dB frequency of the filter in Hz.
 
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
 KernelVersion:	2.6.37
 Contact:	linux-iio@vger.kernel.org
 Description:
 		Raw (unscaled, no bias etc.) output voltage for
 		channel Y.  The number must always be specified and
 		unique if the output corresponds to a single channel.
+		While DAC like devices typically use out_voltage,
+		a continuous frequency generating device, such as
+		a DDS or PLL should use out_altvoltage.
 
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw
 KernelVersion:	2.6.37
 Contact:	linux-iio@vger.kernel.org
 Description:
@@ -316,6 +323,8 @@ Description:
 
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode
 KernelVersion:	2.6.38
 Contact:	linux-iio@vger.kernel.org
 Description:
@@ -330,6 +339,8 @@ Description:
 
 What:		/sys/.../iio:deviceX/out_votlageY_powerdown_mode_available
 What:		/sys/.../iio:deviceX/out_voltage_powerdown_mode_available
+What:		/sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available
+What:		/sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available
 KernelVersion:	2.6.38
 Contact:	linux-iio@vger.kernel.org
 Description:
@@ -338,6 +349,8 @@ Description:
 
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
 What:		/sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
 KernelVersion:	2.6.38
 Contact:	linux-iio@vger.kernel.org
 Description:
@@ -346,6 +359,24 @@ Description:
 		normal operation. Y may be suppressed if all outputs are
 		controlled together.
 
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
+KernelVersion:	3.4.0
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Output frequency for channel Y in Hz. The number must always be
+		specified and unique if the output corresponds to a single
+		channel.
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
+KernelVersion:	3.4.0
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Phase in radians of one frequency/clock output Y
+		(out_altvoltageY) relative to another frequency/clock output
+		(out_altvoltageZ) of the device X. The number must always be
+		specified and unique if the output corresponds to a single
+		channel.
+
 What:		/sys/bus/iio/devices/iio:deviceX/events
 KernelVersion:	2.6.35
 Contact:	linux-iio@vger.kernel.org

trunk/Documentation/ABI/testing/sysfs-class-mtd

@@ -142,13 +142,14 @@ KernelVersion:	3.4
 Contact:	linux-mtd@lists.infradead.org
 Description:
 		This allows the user to examine and adjust the criteria by which
-		mtd returns -EUCLEAN from mtd_read().  If the maximum number of
-		bit errors that were corrected on any single region comprising
-		an ecc step (as reported by the driver) equals or exceeds this
-		value, -EUCLEAN is returned.  Otherwise, absent an error, 0 is
-		returned.  Higher layers (e.g., UBI) use this return code as an
-		indication that an erase block may be degrading and should be
-		scrutinized as a candidate for being marked as bad.
+		mtd returns -EUCLEAN from mtd_read() and mtd_read_oob().  If the
+		maximum number of bit errors that were corrected on any single
+		region comprising an ecc step (as reported by the driver) equals
+		or exceeds this value, -EUCLEAN is returned.  Otherwise, absent
+		an error, 0 is returned.  Higher layers (e.g., UBI) use this
+		return code as an indication that an erase block may be
+		degrading and should be scrutinized as a candidate for being
+		marked as bad.
 
 		The initial value may be specified by the flash device driver.
 		If not, then the default value is ecc_strength.
@@ -167,7 +168,7 @@ Description:
 		block degradation, but high enough to avoid the consequences of
 		a persistent return value of -EUCLEAN on devices where sticky
 		bitflips occur.  Note that if bitflip_threshold exceeds
-		ecc_strength, -EUCLEAN is never returned by mtd_read().
+		ecc_strength, -EUCLEAN is never returned by the read operations.
 		Conversely, if bitflip_threshold is zero, -EUCLEAN is always
 		returned, absent a hard error.
 

trunk/Documentation/ABI/testing/sysfs-power

@@ -231,3 +231,16 @@ Description:
 		Reads from this file return a string consisting of the names of
 		wakeup sources created with the help of /sys/power/wake_lock
 		that are inactive at the moment, separated with spaces.
+
+What:		/sys/power/pm_print_times
+Date:		May 2012
+Contact:	Sameer Nanda <snanda@chromium.org>
+Description:
+		The /sys/power/pm_print_times file allows user space to
+		control whether the time taken by devices to suspend and
+		resume is printed.  These prints are useful for hunting down
+		devices that take too long to suspend or resume.
+
+		Writing a "1" enables this printing while writing a "0"
+		disables it.  The default value is "0".  Reading from this file
+		will display the current value.

trunk/Documentation/DocBook/media/v4l/controls.xml

@@ -3988,7 +3988,7 @@ interface and may change in the future.</para>
 	    from RGB to Y'CbCr color space.
 	    </entry>
 	  </row>
-	  <row id = "v4l2-jpeg-chroma-subsampling">
+	  <row>
 	    <entrytbl spanname="descr" cols="2">
 	      <tbody valign="top">
 		<row>

trunk/Documentation/DocBook/media/v4l/pixfmt.xml

@@ -986,13 +986,13 @@ http://www.thedirks.org/winnov/</ulink></para></entry>
 	  <row id="V4L2-PIX-FMT-Y4">
 	    <entry><constant>V4L2_PIX_FMT_Y4</constant></entry>
 	    <entry>'Y04 '</entry>
-	    <entry>Old 4-bit greyscale format. Only the least significant 4 bits of each byte are used,
+	    <entry>Old 4-bit greyscale format. Only the most significant 4 bits of each byte are used,
 the other bits are set to 0.</entry>
 	  </row>
 	  <row id="V4L2-PIX-FMT-Y6">
 	    <entry><constant>V4L2_PIX_FMT_Y6</constant></entry>
 	    <entry>'Y06 '</entry>
-	    <entry>Old 6-bit greyscale format. Only the least significant 6 bits of each byte are used,
+	    <entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used,
 the other bits are set to 0.</entry>
 	  </row>
 	</tbody>

trunk/Documentation/DocBook/media/v4l/v4l2.xml

@@ -560,14 +560,14 @@ and discussions on the V4L mailing list.</revremark>
     &sub-g-tuner;
     &sub-log-status;
     &sub-overlay;
+    &sub-prepare-buf;
     &sub-qbuf;
     &sub-querybuf;
     &sub-querycap;
     &sub-queryctrl;
     &sub-query-dv-preset;
     &sub-query-dv-timings;
     &sub-querystd;
-    &sub-prepare-buf;
     &sub-reqbufs;
     &sub-s-hw-freq-seek;
     &sub-streamon;

trunk/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml

@@ -108,10 +108,9 @@ information.</para>
 /></entry>
 	  </row>
 	  <row>
-	    <entry>__u32</entry>
+	    <entry>struct&nbsp;v4l2_format</entry>
 	    <entry><structfield>format</structfield></entry>
-	    <entry>Filled in by the application, preserved by the driver.
-	    See <xref linkend="v4l2-format" />.</entry>
+	    <entry>Filled in by the application, preserved by the driver.</entry>
 	  </row>
 	  <row>
 	    <entry>__u32</entry>

trunk/Documentation/DocBook/media/v4l/vidioc-dqevent.xml

@@ -89,7 +89,7 @@
 	  <row>
 	    <entry></entry>
 	    <entry>&v4l2-event-frame-sync;</entry>
-            <entry><structfield>frame</structfield></entry>
+            <entry><structfield>frame_sync</structfield></entry>
 	    <entry>Event data for event V4L2_EVENT_FRAME_SYNC.</entry>
 	  </row>
 	  <row>

trunk/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml

@@ -284,13 +284,6 @@ These controls are described in <xref
 	    processing controls. These controls are described in <xref
 	    linkend="image-process-controls" />.</entry>
 	  </row>
-	  <row>
-	    <entry><constant>V4L2_CTRL_CLASS_JPEG</constant></entry>
-	    <entry>0x9d0000</entry>
-	    <entry>The class containing JPEG compression controls.
-These controls are described in <xref
-		linkend="jpeg-controls" />.</entry>
-	  </row>
 	</tbody>
       </tgroup>
     </table>

trunk/Documentation/RCU/checklist.txt

@@ -162,9 +162,9 @@ over a rather long period of time, but improvements are always welcome!
 		when publicizing a pointer to a structure that can
 		be traversed by an RCU read-side critical section.
 
-5.	If call_rcu(), or a related primitive such as call_rcu_bh() or
-	call_rcu_sched(), is used, the callback function must be
-	written to be called from softirq context.  In particular,
+5.	If call_rcu(), or a related primitive such as call_rcu_bh(),
+	call_rcu_sched(), or call_srcu() is used, the callback function
+	must be written to be called from softirq context.  In particular,
 	it cannot block.
 
 6.	Since synchronize_rcu() can block, it cannot be called from
@@ -202,11 +202,12 @@ over a rather long period of time, but improvements are always welcome!
 	updater uses call_rcu_sched() or synchronize_sched(), then
 	the corresponding readers must disable preemption, possibly
 	by calling rcu_read_lock_sched() and rcu_read_unlock_sched().
-	If the updater uses synchronize_srcu(), the the corresponding
-	readers must use srcu_read_lock() and srcu_read_unlock(),
-	and with the same srcu_struct.	The rules for the expedited
-	primitives are the same as for their non-expedited counterparts.
-	Mixing things up will result in confusion and broken kernels.
+	If the updater uses synchronize_srcu() or call_srcu(),
+	the the corresponding readers must use srcu_read_lock() and
+	srcu_read_unlock(), and with the same srcu_struct.  The rules for
+	the expedited primitives are the same as for their non-expedited
+	counterparts.  Mixing things up will result in confusion and
+	broken kernels.
 
 	One exception to this rule: rcu_read_lock() and rcu_read_unlock()
 	may be substituted for rcu_read_lock_bh() and rcu_read_unlock_bh()
@@ -333,14 +334,14 @@ over a rather long period of time, but improvements are always welcome!
 	victim CPU from ever going offline.)
 
 14.	SRCU (srcu_read_lock(), srcu_read_unlock(), srcu_dereference(),
-	synchronize_srcu(), and synchronize_srcu_expedited()) may only
-	be invoked from process context.  Unlike other forms of RCU, it
-	-is- permissible to block in an SRCU read-side critical section
-	(demarked by srcu_read_lock() and srcu_read_unlock()), hence the
-	"SRCU": "sleepable RCU".  Please note that if you don't need
-	to sleep in read-side critical sections, you should be using
-	RCU rather than SRCU, because RCU is almost always faster and
-	easier to use than is SRCU.
+	synchronize_srcu(), synchronize_srcu_expedited(), and call_srcu())
+	may only be invoked from process context.  Unlike other forms of
+	RCU, it -is- permissible to block in an SRCU read-side critical
+	section (demarked by srcu_read_lock() and srcu_read_unlock()),
+	hence the "SRCU": "sleepable RCU".  Please note that if you
+	don't need to sleep in read-side critical sections, you should be
+	using RCU rather than SRCU, because RCU is almost always faster
+	and easier to use than is SRCU.
 
 	If you need to enter your read-side critical section in a
 	hardirq or exception handler, and then exit that same read-side
@@ -353,8 +354,8 @@ over a rather long period of time, but improvements are always welcome!
 	cleanup_srcu_struct().	These are passed a "struct srcu_struct"
 	that defines the scope of a given SRCU domain.	Once initialized,
 	the srcu_struct is passed to srcu_read_lock(), srcu_read_unlock()
-	synchronize_srcu(), and synchronize_srcu_expedited().  A given
-	synchronize_srcu() waits only for SRCU read-side critical
+	synchronize_srcu(), synchronize_srcu_expedited(), and call_srcu().
+	A given synchronize_srcu() waits only for SRCU read-side critical
 	sections governed by srcu_read_lock() and srcu_read_unlock()
 	calls that have been passed the same srcu_struct.  This property
 	is what makes sleeping read-side critical sections tolerable --
@@ -374,7 +375,7 @@ over a rather long period of time, but improvements are always welcome!
 	requiring SRCU's read-side deadlock immunity or low read-side
 	realtime latency.
 
-	Note that, rcu_assign_pointer() relates to SRCU just as they do
+	Note that, rcu_assign_pointer() relates to SRCU just as it does
 	to other forms of RCU.
 
 15.	The whole point of call_rcu(), synchronize_rcu(), and friends

trunk/Documentation/RCU/rcubarrier.txt

@@ -79,8 +79,6 @@ complete. Pseudo-code using rcu_barrier() is as follows:
    2. Execute rcu_barrier().
    3. Allow the module to be unloaded.
 
-Quick Quiz #1: Why is there no srcu_barrier()?
-
 The rcutorture module makes use of rcu_barrier in its exit function
 as follows:
 
@@ -162,7 +160,7 @@ for any pre-existing callbacks to complete.
 Then lines 55-62 print status and do operation-specific cleanup, and
 then return, permitting the module-unload operation to be completed.
 
-Quick Quiz #2: Is there any other situation where rcu_barrier() might
+Quick Quiz #1: Is there any other situation where rcu_barrier() might
 	be required?
 
 Your module might have additional complications. For example, if your
@@ -242,7 +240,7 @@ reaches zero, as follows:
  4 complete(&rcu_barrier_completion);
  5 }
 
-Quick Quiz #3: What happens if CPU 0's rcu_barrier_func() executes
+Quick Quiz #2: What happens if CPU 0's rcu_barrier_func() executes
 	immediately (thus incrementing rcu_barrier_cpu_count to the
 	value one), but the other CPU's rcu_barrier_func() invocations
 	are delayed for a full grace period? Couldn't this result in
@@ -259,12 +257,7 @@ so that your module may be safely unloaded.
 
 Answers to Quick Quizzes
 
-Quick Quiz #1: Why is there no srcu_barrier()?
-
-Answer: Since there is no call_srcu(), there can be no outstanding SRCU
-	callbacks. Therefore, there is no need to wait for them.
-
-Quick Quiz #2: Is there any other situation where rcu_barrier() might
+Quick Quiz #1: Is there any other situation where rcu_barrier() might
 	be required?
 
 Answer: Interestingly enough, rcu_barrier() was not originally
@@ -278,7 +271,7 @@ Answer: Interestingly enough, rcu_barrier() was not originally
 	implementing rcutorture, and found that rcu_barrier() solves
 	this problem as well.
 
-Quick Quiz #3: What happens if CPU 0's rcu_barrier_func() executes
+Quick Quiz #2: What happens if CPU 0's rcu_barrier_func() executes
 	immediately (thus incrementing rcu_barrier_cpu_count to the
 	value one), but the other CPU's rcu_barrier_func() invocations
 	are delayed for a full grace period? Couldn't this result in

trunk/Documentation/RCU/torture.txt

@@ -174,11 +174,20 @@ torture_type	The type of RCU to test, with string values as follows:
 			and synchronize_rcu_bh_expedited().
 
 		"srcu": srcu_read_lock(), srcu_read_unlock() and
+			call_srcu().
+
+		"srcu_sync": srcu_read_lock(), srcu_read_unlock() and
 			synchronize_srcu().
 
 		"srcu_expedited": srcu_read_lock(), srcu_read_unlock() and
 			synchronize_srcu_expedited().
 
+		"srcu_raw": srcu_read_lock_raw(), srcu_read_unlock_raw(),
+			and call_srcu().
+
+		"srcu_raw_sync": srcu_read_lock_raw(), srcu_read_unlock_raw(),
+			and synchronize_srcu().
+
 		"sched": preempt_disable(), preempt_enable(), and
 			call_rcu_sched().