Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:
	drivers/mtd/mtdcore.c

Pull in the bdi fixes and ARM platform changes that other outstanding
patches depend on.

59 files changed, 133 insertions, 72 deletions

diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index d53357bd75a..760abc53339 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -4,7 +4,7 @@
 
 # Core functionality.
 obj-$(CONFIG_MTD)		+= mtd.o
-mtd-y				:= mtdcore.o mtdsuper.o mtdbdi.o
+mtd-y				:= mtdcore.o mtdsuper.o
 mtd-$(CONFIG_MTD_PARTITIONS)	+= mtdpart.o
 
 obj-$(CONFIG_MTD_CONCAT)	+= mtdconcat.o
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 4281f3e0cf7..93651865ddb 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -17,6 +17,7 @@
 #include <linux/buffer_head.h>
 #include <linux/mutex.h>
 #include <linux/mount.h>
+#include <linux/slab.h>
 
 #define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
 #define INFO(fmt, args...) printk(KERN_INFO "block2mtd: " fmt "\n" , ## args)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index f3f4768d6e1..81e49a9b017 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -21,6 +21,7 @@
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
 #include <linux/math64.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/mod_devicetable.h>
 
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 175c5233f29..bcf040beb83 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 
 #include <linux/mtd/mtd.h>
diff --git a/drivers/mtd/internal.h b/drivers/mtd/internal.h
deleted file mode 100644
index c658fe7216b..00000000000
--- a/drivers/mtd/internal.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* Internal MTD definitions
- *
- * Copyright © 2006 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-/*
- * mtdbdi.c
- */
-extern struct backing_dev_info mtd_bdi_unmappable;
-extern struct backing_dev_info mtd_bdi_ro_mappable;
-extern struct backing_dev_info mtd_bdi_rw_mappable;
diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index eb6f437ca9e..fece5be5871 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -26,6 +26,7 @@
  */
 #include <linux/mtd/pfow.h>
 #include <linux/mtd/qinfo.h>
+#include <linux/slab.h>
 
 static int lpddr_read(struct mtd_info *mtd, loff_t adr, size_t len,
 					size_t *retlen, u_char *buf);
diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 237733d094c..19fe92db0c4 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -8,6 +8,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c
index 5824fd49800..85dd18193cf 100644
--- a/drivers/mtd/maps/bfin-async-flash.c
+++ b/drivers/mtd/maps/bfin-async-flash.c
@@ -22,6 +22,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 
 #include <asm/blackfin.h>
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index 424f17d6ffd..ddb462bea9b 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -11,6 +11,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c
index 11a2f57df9c..d12c93dc1aa 100644
--- a/drivers/mtd/maps/esb2rom.c
+++ b/drivers/mtd/maps/esb2rom.c
@@ -14,6 +14,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c
index 1ad5caf9fe6..32e89d773b4 100644
--- a/drivers/mtd/maps/gpio-addr-flash.c
+++ b/drivers/mtd/maps/gpio-addr-flash.c
@@ -23,6 +23,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 
 #define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); })
diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c
index c32bc28920b..f102bf243a7 100644
--- a/drivers/mtd/maps/ichxrom.c
+++ b/drivers/mtd/maps/ichxrom.c
@@ -8,6 +8,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
diff --git a/drivers/mtd/maps/intel_vr_nor.c b/drivers/mtd/maps/intel_vr_nor.c
index 1e7814ae212..fc1998512eb 100644
--- a/drivers/mtd/maps/intel_vr_nor.c
+++ b/drivers/mtd/maps/intel_vr_nor.c
@@ -29,6 +29,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/mtd/mtd.h>
diff --git a/drivers/mtd/maps/octagon-5066.c b/drivers/mtd/maps/octagon-5066.c
index 2b2e4509321..23fe1786770 100644
--- a/drivers/mtd/maps/octagon-5066.c
+++ b/drivers/mtd/maps/octagon-5066.c
@@ -24,7 +24,6 @@
    ##################################################################### */
 
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 1d91333010b..bbdd2194190 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -23,6 +23,7 @@
 #include <linux/mtd/concat.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/slab.h>
 
 struct of_flash_list {
 	struct mtd_info *mtd;
diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c
index f021018e074..eb476b7f8d1 100644
--- a/drivers/mtd/maps/pismo.c
+++ b/drivers/mtd/maps/pismo.c
@@ -10,6 +10,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
+#include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
diff --git a/drivers/mtd/maps/pmcmsp-flash.c b/drivers/mtd/maps/pmcmsp-flash.c
index c8fd8da4bc8..acb13fa5001 100644
--- a/drivers/mtd/maps/pmcmsp-flash.c
+++ b/drivers/mtd/maps/pmcmsp-flash.c
@@ -28,6 +28,7 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index b13f6417b5b..91dc6331053 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
diff --git a/drivers/mtd/maps/sbc_gxx.c b/drivers/mtd/maps/sbc_gxx.c
index 1b1c0b7e11e..04b2781fc62 100644
--- a/drivers/mtd/maps/sbc_gxx.c
+++ b/drivers/mtd/maps/sbc_gxx.c
@@ -45,7 +45,6 @@ separate MTD devices.
 // Includes
 
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index fd7a1017399..fadc4c45b45 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -15,6 +15,7 @@
 #include <linux/ioport.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/slab.h>
 #include <asm/prom.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/vmax301.c b/drivers/mtd/maps/vmax301.c
index 6d452dcdfe3..6adaa6acc19 100644
--- a/drivers/mtd/maps/vmax301.c
+++ b/drivers/mtd/maps/vmax301.c
@@ -16,7 +16,6 @@
    ##################################################################### */
 
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index 82afad0ddd7..4afc167731e 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -8,6 +8,7 @@
  * GNU General Public Licence
  */
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/delay.h>
 #include <linux/maple.h>
diff --git a/drivers/mtd/mtdbdi.c b/drivers/mtd/mtdbdi.c
deleted file mode 100644
index 5ca5aed0b22..00000000000
--- a/drivers/mtd/mtdbdi.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* MTD backing device capabilities
- *
- * Copyright © 2006 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/backing-dev.h>
-#include <linux/mtd/mtd.h>
-#include "internal.h"
-
-/*
- * backing device capabilities for non-mappable devices (such as NAND flash)
- * - permits private mappings, copies are taken of the data
- */
-struct backing_dev_info mtd_bdi_unmappable = {
-	.capabilities	= BDI_CAP_MAP_COPY,
-};
-
-/*
- * backing device capabilities for R/O mappable devices (such as ROM)
- * - permits private mappings, copies are taken of the data
- * - permits non-writable shared mappings
- */
-struct backing_dev_info mtd_bdi_ro_mappable = {
-	.capabilities	= (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
-			   BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP),
-};
-
-/*
- * backing device capabilities for writable mappable devices (such as RAM)
- * - permits private mappings, copies are taken of the data
- * - permits non-writable shared mappings
- */
-struct backing_dev_info mtd_bdi_rw_mappable = {
-	.capabilities	= (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
-			   BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP |
-			   BDI_CAP_WRITE_MAP),
-};
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 70a78587c3c..3ae06c8935b 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -2,12 +2,14 @@
  * Core registration and callback routines for MTD
  * drivers and users.
  *
+ * bdi bits are:
+ * Copyright © 2006 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
  */
 
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
-#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/timer.h>
 #include <linux/major.h>
@@ -18,11 +20,39 @@
 #include <linux/mtd/compatmac.h>
 #include <linux/proc_fs.h>
 #include <linux/idr.h>
+#include <linux/backing-dev.h>
 
 #include <linux/mtd/mtd.h>
-#include "internal.h"
 
 #include "mtdcore.h"
+/*
+ * backing device capabilities for non-mappable devices (such as NAND flash)
+ * - permits private mappings, copies are taken of the data
+ */
+struct backing_dev_info mtd_bdi_unmappable = {
+	.capabilities	= BDI_CAP_MAP_COPY,
+};
+
+/*
+ * backing device capabilities for R/O mappable devices (such as ROM)
+ * - permits private mappings, copies are taken of the data
+ * - permits non-writable shared mappings
+ */
+struct backing_dev_info mtd_bdi_ro_mappable = {
+	.capabilities	= (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
+			   BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP),
+};
+
+/*
+ * backing device capabilities for writable mappable devices (such as RAM)
+ * - permits private mappings, copies are taken of the data
+ * - permits non-writable shared mappings
+ */
+struct backing_dev_info mtd_bdi_rw_mappable = {
+	.capabilities	= (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
+			   BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP |
+			   BDI_CAP_WRITE_MAP),
+};
 
 static int mtd_cls_suspend(struct device *dev, pm_message_t state);
 static int mtd_cls_resume(struct device *dev);
@@ -655,20 +685,55 @@ done:
 /*====================================================================*/
 /* Init code */
 
+static int __init mtd_bdi_init(struct backing_dev_info *bdi, const char *name)
+{
+	int ret;
+
+	ret = bdi_init(bdi);
+	if (!ret)
+		ret = bdi_register(bdi, NULL, name);
+
+	if (ret)
+		bdi_destroy(bdi);
+
+	return ret;
+}
+
 static int __init init_mtd(void)
 {
 	int ret;
+
 	ret = class_register(&mtd_class);
+	if (ret)
+		goto err_reg;
+
+	ret = mtd_bdi_init(&mtd_bdi_unmappable, "mtd-unmap");
+	if (ret)
+		goto err_bdi1;
+
+	ret = mtd_bdi_init(&mtd_bdi_ro_mappable, "mtd-romap");
+	if (ret)
+		goto err_bdi2;
+
+	ret = mtd_bdi_init(&mtd_bdi_rw_mappable, "mtd-rwmap");
+	if (ret)
+		goto err_bdi3;
 
-	if (ret) {
-		pr_err("Error registering mtd class: %d\n", ret);
-		return ret;
-	}
 #ifdef CONFIG_PROC_FS
 	if ((proc_mtd = create_proc_entry( "mtd", 0, NULL )))
 		proc_mtd->read_proc = mtd_read_proc;
 #endif /* CONFIG_PROC_FS */
 	return 0;
+
+err_bdi3:
+	bdi_destroy(&mtd_bdi_ro_mappable);
+err_bdi2:
+	bdi_destroy(&mtd_bdi_unmappable);
+err_bdi1:
+	class_unregister(&mtd_class);
+err_reg:
+	pr_err("Error registering mtd class or bdi: %d\n", ret);
+	return ret;
 }
 
 static void __exit cleanup_mtd(void)
@@ -678,6 +743,9 @@ static void __exit cleanup_mtd(void)
 		remove_proc_entry( "mtd", NULL);
 #endif /* CONFIG_PROC_FS */
 	class_unregister(&mtd_class);
+	bdi_destroy(&mtd_bdi_unmappable);
+	bdi_destroy(&mtd_bdi_ro_mappable);
+	bdi_destroy(&mtd_bdi_rw_mappable);
 }
 
 module_init(init_mtd);
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index d2570523d70..bd9a443ccf6 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -13,6 +13,7 @@
 #include <linux/mtd/super.h>
 #include <linux/namei.h>
 #include <linux/ctype.h>
+#include <linux/slab.h>
 
 /*
  * compare superblocks to see if they're equivalent
@@ -44,6 +45,7 @@ static int get_sb_mtd_set(struct super_block *sb, void *_mtd)
 
 	sb->s_mtd = mtd;
 	sb->s_dev = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
+	sb->s_bdi = mtd->backing_dev_info;
 	return 0;
 }
 
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index a97e6f167c0..dfe262c726f 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -17,6 +17,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/ioport.h>
 #include <linux/device.h>
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 01a6fe1c780..db1dfc5a1b1 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 
 #define CAFE_NAND_CTRL1		0x00
diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c
index 826cacffcef..6e649527825 100644
--- a/drivers/mtd/nand/cmx270_nand.c
+++ b/drivers/mtd/nand/cmx270_nand.c
@@ -20,6 +20,7 @@
 
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/slab.h>
 #include <linux/gpio.h>
 
 #include <asm/io.h>
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 45bb931c084..9c9d893affe 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -32,6 +32,7 @@
 #include <linux/io.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/slab.h>
 
 #include <mach/nand.h>
 
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index b126cf88747..47067bc9824 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -23,6 +23,7 @@
 #include <linux/delay.h>
 #include <linux/rslib.h>
 #include <linux/moduleparam.h>
+#include <linux/slab.h>