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

Conflicts:

	drivers/usb/input/Makefile
	drivers/usb/input/gtco.c

5 files changed, 119 insertions, 21 deletions

diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 72e6d73beb4..d28e0fc85e1 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -6,7 +6,6 @@ menu "RAM/ROM/Flash chip drivers"
 
 config MTD_CFI
 	tristate "Detect flash chips by Common Flash Interface (CFI) probe"
-	depends on MTD
 	select MTD_GEN_PROBE
 	help
 	  The Common Flash Interface specification was developed by Intel,
@@ -18,7 +17,6 @@ config MTD_CFI
 
 config MTD_JEDECPROBE
 	tristate "Detect non-CFI AMD/JEDEC-compatible flash chips"
-	depends on MTD
 	select MTD_GEN_PROBE
 	help
 	  This option enables JEDEC-style probing of flash chips which are not
@@ -213,21 +211,18 @@ config MTD_CFI_UTIL
 
 config MTD_RAM
 	tristate "Support for RAM chips in bus mapping"
-	depends on MTD
 	help
 	  This option enables basic support for RAM chips accessed through
 	  a bus mapping driver.
 
 config MTD_ROM
 	tristate "Support for ROM chips in bus mapping"
-	depends on MTD
 	help
 	  This option enables basic support for ROM chips accessed through
 	  a bus mapping driver.
 
 config MTD_ABSENT
 	tristate "Support for absent chips in bus mapping"
-	depends on MTD
 	help
 	  This option enables support for a dummy probing driver used to
 	  allocated placeholder MTD devices on systems that have socketed
@@ -237,7 +232,6 @@ config MTD_ABSENT
 	  with this driver will return -ENODEV upon access.
 
 config MTD_OBSOLETE_CHIPS
-	depends on MTD
 	bool "Older (theoretically obsoleted now) drivers for non-CFI chips"
 	help
 	  This option does not enable any code directly, but will allow you to
@@ -250,7 +244,7 @@ config MTD_OBSOLETE_CHIPS
 
 config MTD_AMDSTD
 	tristate "AMD compatible flash chip support (non-CFI)"
-	depends on MTD && MTD_OBSOLETE_CHIPS && BROKEN
+	depends on MTD_OBSOLETE_CHIPS && BROKEN
 	help
 	  This option enables support for flash chips using AMD-compatible
 	  commands, including some which are not CFI-compatible and hence
@@ -260,7 +254,7 @@ config MTD_AMDSTD
 
 config MTD_SHARP
 	tristate "pre-CFI Sharp chip support"
-	depends on MTD && MTD_OBSOLETE_CHIPS
+	depends on MTD_OBSOLETE_CHIPS
 	help
 	  This option enables support for flash chips using Sharp-compatible
 	  commands, including some which are not CFI-compatible and hence
@@ -268,7 +262,7 @@ config MTD_SHARP
 
 config MTD_JEDEC
 	tristate "JEDEC device support"
-	depends on MTD && MTD_OBSOLETE_CHIPS && BROKEN
+	depends on MTD_OBSOLETE_CHIPS && BROKEN
 	help
 	  Enable older JEDEC flash interface devices for self
 	  programming flash.  It is commonly used in older AMD chips.  It is
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index f69184a92eb..2f19fa78d24 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -15,6 +15,8 @@
  *	- optimized write buffer method
  * 02/05/2002	Christopher Hoover <ch@hpl.hp.com>/<ch@murgatroid.com>
  *	- reworked lock/unlock/erase support for var size flash
+ * 21/03/2007   Rodolfo Giometti <giometti@linux.it>
+ * 	- auto unlock sectors on resume for auto locking flash on power up
  */
 
 #include <linux/module.h>
@@ -30,6 +32,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>
+#include <linux/bitmap.h>
 #include <linux/mtd/xip.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/mtd.h>
@@ -220,6 +223,15 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
 	}
 }
 
+/*
+ * Some chips power-up with all sectors locked by default.
+ */
+static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param)
+{
+	printk(KERN_INFO "Using auto-unlock on power-up/resume\n" );
+	mtd->flags |= MTD_STUPID_LOCK;
+}
+
 static struct cfi_fixup cfi_fixup_table[] = {
 #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
 	{ CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
@@ -232,6 +244,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 #endif
 	{ CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL },
 	{ CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL },
+	{ MANUFACTURER_INTEL, 0x891c,	      fixup_use_powerup_lock, NULL, },
 	{ 0, 0, NULL, NULL }
 };
 
@@ -397,9 +410,23 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 	cfi_fixup(mtd, fixup_table);
 
 	for (i=0; i< cfi->numchips; i++) {
-		cfi->chips[i].word_write_time = 1<<cfi->cfiq->WordWriteTimeoutTyp;
-		cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
-		cfi->chips[i].erase_time = 1000<<cfi->cfiq->BlockEraseTimeoutTyp;
+		if (cfi->cfiq->WordWriteTimeoutTyp)
+			cfi->chips[i].word_write_time =
+				1<<cfi->cfiq->WordWriteTimeoutTyp;
+		else
+			cfi->chips[i].word_write_time = 50000;
+
+		if (cfi->cfiq->BufWriteTimeoutTyp)
+			cfi->chips[i].buffer_write_time =
+				1<<cfi->cfiq->BufWriteTimeoutTyp;
+		/* No default; if it isn't specified, we won't use it */
+
+		if (cfi->cfiq->BlockEraseTimeoutTyp)
+			cfi->chips[i].erase_time =
+				1000<<cfi->cfiq->BlockEraseTimeoutTyp;
+		else
+			cfi->chips[i].erase_time = 2000000;
+
 		cfi->chips[i].ref_point_counter = 0;
 		init_waitqueue_head(&(cfi->chips[i].wq));
 	}
@@ -446,6 +473,7 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].offset = (j*devsize)+offset;
 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].erasesize = ersize;
 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].numblocks = ernum;
+			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].lockmap = kmalloc(ernum / 8 + 1, GFP_KERNEL);
 		}
 		offset += (ersize * ernum);
 	}
@@ -546,13 +574,11 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
 			struct cfi_intelext_programming_regioninfo *prinfo;
 			prinfo = (struct cfi_intelext_programming_regioninfo *)&extp->extra[offs];
 			mtd->writesize = cfi->interleave << prinfo->ProgRegShift;
-			MTD_PROGREGION_CTRLMODE_VALID(mtd) = cfi->interleave * prinfo->ControlValid;
-			MTD_PROGREGION_CTRLMODE_INVALID(mtd) = cfi->interleave * prinfo->ControlInvalid;
 			mtd->flags &= ~MTD_BIT_WRITEABLE;
 			printk(KERN_DEBUG "%s: program region size/ctrl_valid/ctrl_inval = %d/%d/%d\n",
 			       map->name, mtd->writesize,
-			       MTD_PROGREGION_CTRLMODE_VALID(mtd),
-			       MTD_PROGREGION_CTRLMODE_INVALID(mtd));
+			       cfi->interleave * prinfo->ControlValid,
+			       cfi->interleave * prinfo->ControlInvalid);
 		}
 
 		/*
@@ -1813,8 +1839,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
 	}
 }
 
-#ifdef DEBUG_LOCK_BITS
-static int __xipram do_printlockstatus_oneblock(struct map_info *map,
+static int __xipram do_getlockstatus_oneblock(struct map_info *map,
 						struct flchip *chip,
 						unsigned long adr,
 						int len, void *thunk)
@@ -1828,8 +1853,17 @@ static int __xipram do_printlockstatus_oneblock(struct map_info *map,
 	chip->state = FL_JEDEC_QUERY;
 	status = cfi_read_query(map, adr+(2*ofs_factor));
 	xip_enable(map, chip, 0);
+	return status;
+}
+
+#ifdef DEBUG_LOCK_BITS
+static int __xipram do_printlockstatus_oneblock(struct map_info *map,
+						struct flchip *chip,
+						unsigned long adr,
+						int len, void *thunk)
+{
 	printk(KERN_DEBUG "block status register for 0x%08lx is %x\n",
-	       adr, status);
+	       adr, do_getlockstatus_oneblock(map, chip, adr, len, thunk));
 	return 0;
 }
 #endif
@@ -2204,14 +2238,45 @@ static int cfi_intelext_get_user_prot_info(struct mtd_info *mtd,
 
 #endif
 
+static void cfi_intelext_save_locks(struct mtd_info *mtd)
+{
+	struct mtd_erase_region_info *region;
+	int block, status, i;
+	unsigned long adr;
+	size_t len;
+
+	for (i = 0; i < mtd->numeraseregions; i++) {
+		region = &mtd->eraseregions[i];
+		if (!region->lockmap)
+			continue;
+
+		for (block = 0; block < region->numblocks; block++){
+			len = region->erasesize;
+			adr = region->offset + block * len;
+
+			status = cfi_varsize_frob(mtd,
+					do_getlockstatus_oneblock, adr, len, 0);
+			if (status)
+				set_bit(block, region->lockmap);
+			else
+				clear_bit(block, region->lockmap);
+		}
+	}
+}
+
 static int cfi_intelext_suspend(struct mtd_info *mtd)
 {
 	struct map_info *map = mtd->priv;
 	struct cfi_private *cfi = map->fldrv_priv;
+	struct cfi_pri_intelext *extp = cfi->cmdset_priv;
 	int i;
 	struct flchip *chip;
 	int ret = 0;
 
+	if ((mtd->flags & MTD_STUPID_LOCK)
+	    && extp && (extp->FeatureSupport & (1 << 5)))
+		cfi_intelext_save_locks(mtd);
+
 	for (i=0; !ret && i<cfi->numchips; i++) {
 		chip = &cfi->chips[i];
 
@@ -2273,10 +2338,33 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
 	return ret;
 }
 
+static void cfi_intelext_restore_locks(struct mtd_info *mtd)
+{
+	struct mtd_erase_region_info *region;
+	int block, i;
+	unsigned long adr;
+	size_t len;
+
+	for (i = 0; i < mtd->numeraseregions; i++) {
+		region = &mtd->eraseregions[i];
+		if (!region->lockmap)
+			continue;
+
+		for (block = 0; block < region->numblocks; block++) {
+			len = region->erasesize;
+			adr = region->offset + block * len;
+
+			if (!test_bit(block, region->lockmap))
+				cfi_intelext_unlock(mtd, adr, len);
+		}
+	}
+}
+
 static void cfi_intelext_resume(struct mtd_info *mtd)
 {
 	struct map_info *map = mtd->priv;
 	struct cfi_private *cfi = map->fldrv_priv;
+	struct cfi_pri_intelext *extp = cfi->cmdset_priv;
 	int i;
 	struct flchip *chip;
 
@@ -2295,6 +2383,10 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
 
 		spin_unlock(chip->mutex);
 	}
+
+	if ((mtd->flags & MTD_STUPID_LOCK)
+	    && extp && (extp->FeatureSupport & (1 << 5)))
+		cfi_intelext_restore_locks(mtd);
 }
 
 static int cfi_intelext_reset(struct mtd_info *mtd)
@@ -2335,12 +2427,19 @@ static void cfi_intelext_destroy(struct mtd_info *mtd)
 {
 	struct map_info *map = mtd->priv;
 	struct cfi_private *cfi = map->fldrv_priv;
+	struct mtd_erase_region_info *region;
+	int i;
 	cfi_intelext_reset(mtd);
 	unregister_reboot_notifier(&mtd->reboot_notifier);
 	kfree(cfi->cmdset_priv);
 	kfree(cfi->cfiq);
 	kfree(cfi->chips[0].priv);
 	kfree(cfi);
+	for (i = 0; i < mtd->numeraseregions; i++) {
+		region = &mtd->eraseregions[i];
+		if (region->lockmap)
+			kfree(region->lockmap);
+	}
 	kfree(mtd->eraseregions);
 }
 
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index e3acd398fb3..1f644584046 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -359,6 +359,8 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 		cfi->chips[i].word_write_time = 1<<cfi->cfiq->WordWriteTimeoutTyp;
 		cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
 		cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
+		cfi->chips[i].ref_point_counter = 0;
+		init_waitqueue_head(&(cfi->chips[i].wq));
 	}
 
 	map->fldrv = &cfi_amdstd_chipdrv;
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index d56849f5f10..b344ff858b2 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -158,6 +158,8 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
 		cfi->chips[i].word_write_time = 128;
 		cfi->chips[i].buffer_write_time = 128;
 		cfi->chips[i].erase_time = 1024;
+		cfi->chips[i].ref_point_counter = 0;
+		init_waitqueue_head(&(cfi->chips[i].wq));
 	}
 
 	return cfi_staa_setup(map);
@@ -662,7 +664,7 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to,
  * a small buffer for this.
  * XXX: If the buffer size is not a multiple of 2, this will break
  */
-#define ECCBUF_SIZE (mtd->eccsize)
+#define ECCBUF_SIZE (mtd->writesize)
 #define ECCBUF_DIV(x) ((x) & ~(ECCBUF_SIZE - 1))
 #define ECCBUF_MOD(x) ((x) &  (ECCBUF_SIZE - 1))
 static int
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index 77303ce5dcf..ab44f2b996f 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -65,11 +65,12 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
 		return ret;
 	}
 
+	chip->oldstate = chip->state;
 	chip->state = xxlt->state;
 	map_write(map, CMD(xxlt->val), adr);
 
 	/* Done and happy. */
-	chip->state = FL_READY;
+	chip->state = chip->oldstate;
 	put_chip(map, chip, adr);
 	spin_unlock(chip->mutex);
 	return 0;