Merge branch 'akpm' (incoming from Andrew)

Merge second batch of fixes from Andrew Morton:

 - various misc bits

 - some printk updates

 - a new "SRAM" driver.

 - MAINTAINERS updates

 - the backlight driver queue

 - checkpatch updates

 - a few init/ changes

 - a huge number of drivers/rtc changes

 - fatfs updates

 - some lib/idr.c work

 - some renaming of the random driver interfaces

* emailed patches from Andrew Morton <[email protected]>: (285 commits)
  net: rename random32 to prandom
  net/core: remove duplicate statements by do-while loop
  net/core: rename random32() to prandom_u32()
  net/netfilter: rename random32() to prandom_u32()
  net/sched: rename random32() to prandom_u32()
  net/sunrpc: rename random32() to prandom_u32()
  scsi: rename random32() to prandom_u32()
  lguest: rename random32() to prandom_u32()
  uwb: rename random32() to prandom_u32()
  video/uvesafb: rename random32() to prandom_u32()
  mmc: rename random32() to prandom_u32()
  drbd: rename random32() to prandom_u32()
  kernel/: rename random32() to prandom_u32()
  mm/: rename random32() to prandom_u32()
  lib/: rename random32() to prandom_u32()
  x86: rename random32() to prandom_u32()
  x86: pageattr-test: remove srandom32 call
  uuid: use prandom_bytes()
  raid6test: use prandom_bytes()
  sctp: convert sctp_assoc_set_id() to use idr_alloc_cyclic()
  ...

CREDITS

@@ -761,6 +761,10 @@ S: Northampton
 S: NN1 3QT
 S: United Kingdom
 
+N: Massimo Dal Zotto
+E: [email protected]
+D: i8k Dell laptop SMM driver
+
 N: Uwe Dannowski
 E: [email protected]
 W: http://i30www.ira.uka.de/~dannowsk/

Documentation/SubmittingPatches

@@ -420,7 +420,7 @@ person it names.  This tag documents that potentially interested parties
 have been included in the discussion
 
 
-14) Using Reported-by:, Tested-by: and Reviewed-by:
+14) Using Reported-by:, Tested-by:, Reviewed-by: and Suggested-by:
 
 If this patch fixes a problem reported by somebody else, consider adding a
 Reported-by: tag to credit the reporter for their contribution.  Please
@@ -468,6 +468,13 @@ done on the patch.  Reviewed-by: tags, when supplied by reviewers known to
 understand the subject area and to perform thorough reviews, will normally
 increase the likelihood of your patch getting into the kernel.
 
+A Suggested-by: tag indicates that the patch idea is suggested by the person
+named and ensures credit to the person for the idea. Please note that this
+tag should not be added without the reporter's permission, especially if the
+idea was not posted in a public forum. That said, if we diligently credit our
+idea reporters, they will, hopefully, be inspired to help us again in the
+future.
+
 
 15) The canonical patch format
 

Documentation/backlight/lp855x-driver.txt

@@ -32,14 +32,10 @@ Platform data for lp855x
 For supporting platform specific data, the lp855x platform data can be used.
 
 * name : Backlight driver name. If it is not defined, default name is set.
-* mode : Brightness control mode. PWM or register based.
 * device_control : Value of DEVICE CONTROL register.
 * initial_brightness : Initial value of backlight brightness.
 * period_ns : Platform specific PWM period value. unit is nano.
 	     Only valid when brightness is pwm input mode.
-* load_new_rom_data :
-	0 : use default configuration data
-	1 : update values of eeprom or eprom registers on loading driver
 * size_program : Total size of lp855x_rom_data.
 * rom_data : List of new eeprom/eprom registers.
 
@@ -54,18 +50,15 @@ static struct lp855x_rom_data lp8552_eeprom_arr[] = {
 
 static struct lp855x_platform_data lp8552_pdata = {
 	.name = "lcd-bl",
-	.mode = REGISTER_BASED,
 	.device_control = I2C_CONFIG(LP8552),
 	.initial_brightness = INITIAL_BRT,
-	.load_new_rom_data = 1,
 	.size_program = ARRAY_SIZE(lp8552_eeprom_arr),
 	.rom_data = lp8552_eeprom_arr,
 };
 
 example 2) lp8556 platform data : pwm input mode with default rom data
 
 static struct lp855x_platform_data lp8556_pdata = {
-	.mode = PWM_BASED,
 	.device_control = PWM_CONFIG(LP8556),
 	.initial_brightness = INITIAL_BRT,
 	.period_ns = 1000000,

Documentation/devicetree/bindings/media/coda.txt

@@ -0,0 +1,30 @@
+Chips&Media Coda multi-standard codec IP
+========================================
+
+Coda codec IPs are present in i.MX SoCs in various versions,
+called VPU (Video Processing Unit).
+
+Required properties:
+- compatible : should be "fsl,<chip>-src" for i.MX SoCs:
+  (a) "fsl,imx27-vpu" for CodaDx6 present in i.MX27
+  (b) "fsl,imx53-vpu" for CODA7541 present in i.MX53
+  (c) "fsl,imx6q-vpu" for CODA960 present in i.MX6q
+- reg: should be register base and length as documented in the
+  SoC reference manual
+- interrupts : Should contain the VPU interrupt. For CODA960,
+  a second interrupt is needed for the MJPEG unit.
+- clocks : Should contain the ahb and per clocks, in the order
+  determined by the clock-names property.
+- clock-names : Should be "ahb", "per"
+- iram : phandle pointing to the SRAM device node
+
+Example:
+
+vpu: vpu@63ff4000 {
+	compatible = "fsl,imx53-vpu";
+	reg = <0x63ff4000 0x1000>;
+	interrupts = <9>;
+	clocks = <&clks 63>, <&clks 63>;
+	clock-names = "ahb", "per";
+	iram = <&ocram>;
+};

Documentation/devicetree/bindings/misc/sram.txt

@@ -0,0 +1,16 @@
+Generic on-chip SRAM
+
+Simple IO memory regions to be managed by the genalloc API.
+
+Required properties:
+
+- compatible : mmio-sram
+
+- reg : SRAM iomem address range
+
+Example:
+
+sram: sram@5c000000 {
+	compatible = "mmio-sram";
+	reg = <0x5c000000 0x40000>; /* 256 KiB SRAM at address 0x5c000000 */
+};

Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt

@@ -0,0 +1,15 @@
+Atmel AT91RM9200 Real Time Clock
+
+Required properties:
+- compatible: should be: "atmel,at91rm9200-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: rtc alarm/event interrupt
+
+Example:
+
+rtc@fffffe00 {
+	compatible = "atmel,at91rm9200-rtc";
+	reg = <0xfffffe00 0x100>;
+	interrupts = <1 4 7>;
+};

Documentation/devicetree/bindings/video/backlight/lp855x.txt

@@ -0,0 +1,41 @@
+lp855x bindings
+
+Required properties:
+  - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553",
+                "ti,lp8556", "ti,lp8557"
+  - reg: I2C slave address (u8)
+  - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device.
+
+Optional properties:
+  - bl-name: Backlight device name (string)
+  - init-brt: Initial value of backlight brightness (u8)
+  - pwm-period: PWM period value. Set only PWM input mode used (u32)
+  - rom-addr: Register address of ROM area to be updated (u8)
+  - rom-val: Register value to be updated (u8)
+
+Example:
+
+	/* LP8556 */
+	backlight@2c {
+		compatible = "ti,lp8556";
+		reg = <0x2c>;
+
+		bl-name = "lcd-bl";
+		dev-ctrl = /bits/ 8 <0x85>;
+		init-brt = /bits/ 8 <0x10>;
+	};
+
+	/* LP8557 */
+	backlight@2c {
+		compatible = "ti,lp8557";
+		reg = <0x2c>;
+
+		dev-ctrl = /bits/ 8 <0x41>;
+		init-brt = /bits/ 8 <0x0a>;
+
+		/* 4V OV, 4 output LED string enabled */
+		rom_14h {
+			rom-addr = /bits/ 8 <0x14>;
+			rom-val = /bits/ 8 <0xcf>;
+		};
+	};

Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt

@@ -0,0 +1,27 @@
+TPS65217 family of regulators
+
+The TPS65217 chip contains a boost converter and current sinks which can be
+used to drive LEDs for use as backlights.
+
+Required properties:
+- compatible: "ti,tps65217"
+- reg: I2C slave address
+- backlight: node for specifying WLED1 and WLED2 lines in TPS65217
+- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level)
+- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000
+- default-brightness: valid values: 0-100
+
+Each regulator is defined using the standard binding for regulators.
+
+Example:
+
+	tps: tps@24 {
+		reg = <0x24>;
+		compatible = "ti,tps65217";
+		backlight {
+			isel = <1>;  /* 1 - ISET1, 2 ISET2 */
+			fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
+			default-brightness = <50>;
+		};
+	};
+

Documentation/filesystems/vfat.txt

@@ -150,12 +150,28 @@ discard       -- If set, issues discard/TRIM commands to the block
 		 device when blocks are freed. This is useful for SSD devices
 		 and sparse/thinly-provisoned LUNs.
 
-nfs           -- This option maintains an index (cache) of directory
-		 inodes by i_logstart which is used by the nfs-related code to
-		 improve look-ups.
+nfs=stale_rw|nostale_ro
+		Enable this only if you want to export the FAT filesystem
+		over NFS.
+
+		stale_rw: This option maintains an index (cache) of directory
+		inodes by i_logstart which is used by the nfs-related code to
+		improve look-ups. Full file operations (read/write) over NFS is
+		supported but with cache eviction at NFS server, this could
+		result in ESTALE issues.
+
+		nostale_ro: This option bases the inode number and filehandle
+		on the on-disk location of a file in the MS-DOS directory entry.
+		This ensures that ESTALE will not be returned after a file is
+		evicted from the inode cache. However, it means that operations
+		such as rename, create and unlink could cause filehandles that
+		previously pointed at one file to point at a different file,
+		potentially causing data corruption. For this reason, this
+		option also mounts the filesystem readonly.
+
+		To maintain backward compatibility, '-o nfs' is also accepted,
+		defaulting to stale_rw
 
-		 Enable this only if you want to export the FAT filesystem
-		 over NFS
 
 <bool>: 0,1,yes,no,true,false
 

MAINTAINERS

@@ -90,20 +90,22 @@ Descriptions of section entries:
 	   F:	drivers/net/*	all files in drivers/net, but not below
 	   F:	*/net/*		all files in "any top level directory"/net
 	   One pattern per line.  Multiple F: lines acceptable.
+	N: Files and directories with regex patterns.
+	   N:	[^a-z]tegra	all files whose path contains the word tegra
+	   One pattern per line.  Multiple N: lines acceptable.
 	X: Files and directories that are NOT maintained, same rules as F:
 	   Files exclusions are tested before file matches.
 	   Can be useful for excluding a specific subdirectory, for instance:
 	   F:	net/
 	   X:	net/ipv6/
 	   matches all files in and below net excluding net/ipv6/
 	K: Keyword perl extended regex pattern to match content in a
-	   patch or file, or an affected filename.  For instance:
+	   patch or file.  For instance:
 	   K: of_get_profile
-	      matches patch or file content, or filenames, that contain
-	      "of_get_profile"
+	      matches patches or files that contain "of_get_profile"
 	   K: \b(printk|pr_(info|err))\b
-	      matches patch or file content, or filenames, that contain one or
-	      more of the words printk, pr_info or pr_err
+	      matches patches or files that contain one or more of the words
+	      printk, pr_info or pr_err
 	   One regex pattern per line.  Multiple K: lines acceptable.
 
 Note: For the hard of thinking, this list is meant to remain in alphabetical
@@ -2442,9 +2444,7 @@ S:	Maintained
 F:	drivers/platform/x86/dell-laptop.c
 
 DELL LAPTOP SMM DRIVER
-M:	Massimo Dal Zotto <[email protected]>
-W:	http://www.debian.org/~dz/i8k/
-S:	Maintained
+S:	Orphan
 F:	drivers/char/i8k.c
 F:	include/uapi/linux/i8k.h
 
@@ -7893,7 +7893,7 @@ L:	[email protected]
 Q:	http://patchwork.ozlabs.org/project/linux-tegra/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra.git
 S:	Supported
-K:	(?i)[^a-z]tegra
+N:	[^a-z]tegra
 
 TEHUTI ETHERNET DRIVER
 M:	Andy Gospodarek <[email protected]>
@@ -8379,9 +8379,10 @@ S:	Maintained
 F:	drivers/usb/serial/option.c
 
 USB PEGASUS DRIVER
-M:	Petko Manolov <petkan@users.sourceforge.net>
+M:	Petko Manolov <petkan@nucleusys.com>
 L:	[email protected]
 L:	[email protected]
+T:	git git://git.code.sf.net/p/pegasus2/git
 W:	http://pegasus2.sourceforge.net/
 S:	Maintained
 F:	drivers/net/usb/pegasus.*
@@ -8401,9 +8402,10 @@ S:	Supported
 F:	drivers/usb/class/usblp.c
 
 USB RTL8150 DRIVER
-M:	Petko Manolov <petkan@users.sourceforge.net>
+M:	Petko Manolov <petkan@nucleusys.com>
 L:	[email protected]
 L:	[email protected]
+T:	git git://git.code.sf.net/p/pegasus2/git
 W:	http://pegasus2.sourceforge.net/
 S:	Maintained
 F:	drivers/net/usb/rtl8150.c

arch/arm/kernel/early_printk.c

@@ -29,28 +29,17 @@ static void early_console_write(struct console *con, const char *s, unsigned n)
 	early_write(s, n);
 }
 
-static struct console early_console = {
+static struct console early_console_dev = {
 	.name =		"earlycon",
 	.write =	early_console_write,
 	.flags =	CON_PRINTBUFFER | CON_BOOT,
 	.index =	-1,
 };
 
-asmlinkage void early_printk(const char *fmt, ...)
-{
-	char buf[512];
-	int n;
-	va_list ap;
-
-	va_start(ap, fmt);
-	n = vscnprintf(buf, sizeof(buf), fmt, ap);
-	early_write(buf, n);
-	va_end(ap);
-}
-
 static int __init setup_early_printk(char *buf)
 {
-	register_console(&early_console);
+	early_console = &early_console_dev;
+	register_console(&early_console_dev);
 	return 0;
 }
 

arch/blackfin/kernel/early_printk.c

@@ -25,8 +25,6 @@ extern struct console *bfin_earlyserial_init(unsigned int port,
 extern struct console *bfin_jc_early_init(void);
 #endif
 
-static struct console *early_console;
-
 /* Default console */
 #define DEFAULT_PORT 0
 #define DEFAULT_CFLAG CS8|B57600