---

yaml
---
r: 208892
b: refs/heads/master
c: 5af568c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 66a362a2aa8ffa72670259fa15e2a77a01cc2217
+refs/heads/master: 5af568cbd55f60b5a1d174f621b273e4f585dc35

trunk/Documentation/00-INDEX

@@ -130,8 +130,6 @@ edac.txt
 	- information on EDAC - Error Detection And Correction
 eisa.txt
 	- info on EISA bus support.
-exception.txt
-	- how Linux v2.2 handles exceptions without verify_area etc.
 fault-injection/
 	- dir with docs about the fault injection capabilities infrastructure.
 fb/

trunk/Documentation/ABI/testing/sysfs-devices-platform-_UDC_-gadget

@@ -7,3 +7,15 @@ Description:
 		0 -> resumed
 
 		(_UDC_ is the name of the USB Device Controller driver)
+
+What:           /sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua
+Date:           July 2010
+Contact:        Andy Shevchenko <andy.shevchenko@gmail.com>
+Description:
+		Show or set the reaction on the FUA (Force Unit Access) bit in
+		the SCSI WRITE(10,12) commands when a gadget in USB Mass
+		Storage mode.
+
+		Possible values are:
+			1 -> ignore the FUA flag
+			0 -> obey the FUA flag

trunk/Documentation/DMA-API-HOWTO.txt

@@ -753,6 +753,16 @@ to "Closing".
    alignment constraints (e.g. the alignment constraints about 64-bit
    objects).
 
+3) Supporting multiple types of IOMMUs
+
+   If your architecture needs to support multiple types of IOMMUs, you
+   can use include/linux/asm-generic/dma-mapping-common.h. It's a
+   library to support the DMA API with multiple types of IOMMUs. Lots
+   of architectures (x86, powerpc, sh, alpha, ia64, microblaze and
+   sparc) use it. Choose one to see how it can be used. If you need to
+   support multiple types of IOMMUs in a single system, the example of
+   x86 or powerpc helps.
+
 			   Closing
 
 This document, and the API itself, would not be in its current

trunk/Documentation/DMA-API.txt

@@ -455,12 +455,6 @@ Free memory allocated by the nonconsistent API.  All parameters must
 be identical to those passed in (and returned by
 dma_alloc_noncoherent()).
 
-int
-dma_is_consistent(struct device *dev, dma_addr_t dma_handle)
-
-Returns true if the device dev is performing consistent DMA on the memory
-area pointed to by the dma_handle.
-
 int
 dma_get_cache_alignment(void)
 

trunk/Documentation/DocBook/Makefile

@@ -35,7 +35,7 @@ PS_METHOD	= $(prefer-db2x)
 PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs xmldoclinks
 
 BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
-xmldocs: $(BOOKS) xmldoclinks
+xmldocs: $(BOOKS)
 sgmldocs: xmldocs
 
 PS := $(patsubst %.xml, %.ps, $(BOOKS))
@@ -45,7 +45,7 @@ PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
 pdfdocs: $(PDF)
 
 HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
-htmldocs: $(HTML)
+htmldocs: $(HTML) xmldoclinks
 	$(call build_main_index)
 	$(call build_images)
 
@@ -95,7 +95,7 @@ define rule_docproc
         ) > $(dir $@).$(notdir $@).cmd
 endef
 
-%.xml: %.tmpl FORCE
+%.xml: %.tmpl xmldoclinks FORCE
 	$(call if_changed_rule,docproc)
 
 ###

trunk/Documentation/DocBook/kernel-api.tmpl

@@ -132,7 +132,6 @@ X!Ilib/string.c
      <title>FIFO Buffer</title>
      <sect1><title>kfifo interface</title>
 !Iinclude/linux/kfifo.h
-!Ekernel/kfifo.c
      </sect1>
   </chapter>
 

trunk/Documentation/DocBook/v4l/lirc_device_interface.xml

@@ -229,6 +229,22 @@ on working with the default settings initially.</para>
       and LIRC_SETUP_END. Drivers can also choose to ignore these ioctls.</para>
     </listitem>
   </varlistentry>
+  <varlistentry>
+    <term>LIRC_SET_WIDEBAND_RECEIVER</term>
+    <listitem>
+      <para>Some receivers are equipped with special wide band receiver which is intended
+      to be used to learn output of existing remote.
+      Calling that ioctl with (1) will enable it, and with (0) disable it.
+      This might be useful of receivers that have otherwise narrow band receiver
+      that prevents them to be used with some remotes.
+      Wide band receiver might also be more precise
+      On the other hand its disadvantage it usually reduced range of reception.
+      Note: wide band receiver might be implictly enabled if you enable
+      carrier reports. In that case it will be disabled as soon as you disable
+      carrier reports. Trying to disable wide band receiver while carrier
+      reports are active will do nothing.</para>
+    </listitem>
+  </varlistentry>
 </variablelist>
 
 </section>

trunk/Documentation/DocBook/v4l/pixfmt-packed-rgb.xml

@@ -240,6 +240,45 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
 	    <entry>r<subscript>1</subscript></entry>
 	    <entry>r<subscript>0</subscript></entry>
 	  </row>
+	  <row id="V4L2-PIX-FMT-BGR666">
+	    <entry><constant>V4L2_PIX_FMT_BGR666</constant></entry>
+	    <entry>'BGRH'</entry>
+	    <entry></entry>
+	    <entry>b<subscript>5</subscript></entry>
+	    <entry>b<subscript>4</subscript></entry>
+	    <entry>b<subscript>3</subscript></entry>
+	    <entry>b<subscript>2</subscript></entry>
+	    <entry>b<subscript>1</subscript></entry>
+	    <entry>b<subscript>0</subscript></entry>
+	    <entry>g<subscript>5</subscript></entry>
+	    <entry>g<subscript>4</subscript></entry>
+	    <entry></entry>
+	    <entry>g<subscript>3</subscript></entry>
+	    <entry>g<subscript>2</subscript></entry>
+	    <entry>g<subscript>1</subscript></entry>
+	    <entry>g<subscript>0</subscript></entry>
+	    <entry>r<subscript>5</subscript></entry>
+	    <entry>r<subscript>4</subscript></entry>
+	    <entry>r<subscript>3</subscript></entry>
+	    <entry>r<subscript>2</subscript></entry>
+	    <entry></entry>
+	    <entry>r<subscript>1</subscript></entry>
+	    <entry>r<subscript>0</subscript></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	  </row>
 	  <row id="V4L2-PIX-FMT-BGR24">
 	    <entry><constant>V4L2_PIX_FMT_BGR24</constant></entry>
 	    <entry>'BGR3'</entry>
@@ -700,6 +739,45 @@ defined in error. Drivers may interpret them as in <xref
 	    <entry>b<subscript>1</subscript></entry>
 	    <entry>b<subscript>0</subscript></entry>
 	  </row>
+	  <row id="V4L2-PIX-FMT-BGR666">
+	    <entry><constant>V4L2_PIX_FMT_BGR666</constant></entry>
+	    <entry>'BGRH'</entry>
+	    <entry></entry>
+	    <entry>b<subscript>5</subscript></entry>
+	    <entry>b<subscript>4</subscript></entry>
+	    <entry>b<subscript>3</subscript></entry>
+	    <entry>b<subscript>2</subscript></entry>
+	    <entry>b<subscript>1</subscript></entry>
+	    <entry>b<subscript>0</subscript></entry>
+	    <entry>g<subscript>5</subscript></entry>
+	    <entry>g<subscript>4</subscript></entry>
+	    <entry></entry>
+	    <entry>g<subscript>3</subscript></entry>
+	    <entry>g<subscript>2</subscript></entry>
+	    <entry>g<subscript>1</subscript></entry>
+	    <entry>g<subscript>0</subscript></entry>
+	    <entry>r<subscript>5</subscript></entry>
+	    <entry>r<subscript>4</subscript></entry>
+	    <entry>r<subscript>3</subscript></entry>
+	    <entry>r<subscript>2</subscript></entry>
+	    <entry></entry>
+	    <entry>r<subscript>1</subscript></entry>
+	    <entry>r<subscript>0</subscript></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	    <entry></entry>
+	  </row>
 	  <row><!-- id="V4L2-PIX-FMT-BGR24" -->
 	    <entry><constant>V4L2_PIX_FMT_BGR24</constant></entry>
 	    <entry>'BGR3'</entry>

trunk/Documentation/feature-removal-schedule.txt

@@ -547,3 +547,20 @@ Why:	superseded by acpi_sleep=nonvs
 Who:	Rafael J. Wysocki <rjw@sisk.pl>
 
 ----------------------------
+
+What: 	PCI DMA unmap state API
+When:	August 2012
+Why:	PCI DMA unmap state API (include/linux/pci-dma.h) was replaced
+	with DMA unmap state API (DMA unmap state API can be used for
+	any bus).
+Who:	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
+
+----------------------------
+
+What: 	DMA_xxBIT_MASK macros
+When:	Jun 2011
+Why:	DMA_xxBIT_MASK macros were replaced with DMA_BIT_MASK() macros.
+Who:	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
+
+----------------------------
+

trunk/Documentation/filesystems/squashfs.txt

@@ -2,7 +2,7 @@ SQUASHFS 4.0 FILESYSTEM
 =======================
 
 Squashfs is a compressed read-only filesystem for Linux.
-It uses zlib compression to compress files, inodes and directories.
+It uses zlib/lzo compression to compress files, inodes and directories.
 Inodes in the system are very small and all blocks are packed to minimise
 data overhead. Block sizes greater than 4K are supported up to a maximum
 of 1Mbytes (default block size 128K).

trunk/Documentation/gpio.txt

@@ -158,10 +158,11 @@ and configure pullups/pulldowns appropriately.)
 Spinlock-Safe GPIO access
 -------------------------
 Most GPIO controllers can be accessed with memory read/write instructions.
-That doesn't need to sleep, and can safely be done from inside IRQ handlers.
-(That includes hardirq contexts on RT kernels.)
+Those don't need to sleep, and can safely be done from inside hard
+(nonthreaded) IRQ handlers and similar contexts.
 
-Use these calls to access such GPIOs:
+Use the following calls to access such GPIOs,
+for which gpio_cansleep() will always return false (see below):
 
 	/* GPIO INPUT:  return zero or nonzero */
 	int gpio_get_value(unsigned gpio);
@@ -210,9 +211,31 @@ To access such GPIOs, a different set of accessors is defined:
 	/* GPIO OUTPUT, might sleep */
 	void gpio_set_value_cansleep(unsigned gpio, int value);
 
-Other than the fact that these calls might sleep, and will not be ignored
-for GPIOs that can't be accessed from IRQ handlers, these calls act the
-same as the spinlock-safe calls.
+
+Accessing such GPIOs requires a context which may sleep,  for example
+a threaded IRQ handler, and those accessors must be used instead of
+spinlock-safe accessors without the cansleep() name suffix.
+
+Other than the fact that these accessors might sleep, and will work
+on GPIOs that can't be accessed from hardIRQ handlers, these calls act
+the same as the spinlock-safe calls.
+
+  ** IN ADDITION ** calls to setup and configure such GPIOs must be made
+from contexts which may sleep, since they may need to access the GPIO
+controller chip too:  (These setup calls are usually made from board
+setup or driver probe/teardown code, so this is an easy constraint.)
+
+	gpio_direction_input()
+	gpio_direction_output()
+	gpio_request()
+
+## 	gpio_request_one()
+##	gpio_request_array()
+## 	gpio_free_array()
+
+	gpio_free()
+	gpio_set_debounce()
+
 
 
 Claiming and Releasing GPIOs

trunk/Documentation/kernel-parameters.txt

@@ -681,8 +681,11 @@ and is between 256 and 4096 characters. It is defined in the file
 	earlycon=	[KNL] Output early console device and options.
 		uart[8250],io,<addr>[,options]
 		uart[8250],mmio,<addr>[,options]
+		uart[8250],mmio32,<addr>[,options]
 			Start an early, polled-mode console on the 8250/16550
 			UART at the specified I/O port or MMIO address.
+			MMIO inter-register address stride is either 8bit (mmio)
+                        or 32bit (mmio32).
 			The options are the same as for ttyS, above.
 
 	earlyprintk=	[X86,SH,BLACKFIN]
@@ -912,9 +915,6 @@ and is between 256 and 4096 characters. It is defined in the file
 			     controller
 	i8042.nopnp	[HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX
 			     controllers
-	i8042.panicblink=
-			[HW] Frequency with which keyboard LEDs should blink
-			     when kernel panics (default is 0.5 sec)
 	i8042.reset	[HW] Reset the controller during init and cleanup
 	i8042.unlock	[HW] Unlock (ignore) the keylock