Merge branch 'for-linus-1' of git://git.infradead.org/mtd-2.6

* 'for-linus-1' of git://git.infradead.org/mtd-2.6: (49 commits) mtd: mtdswap: fix compilation warning mtdswap: kill strict error handling option mtd: nand: enable software BCH ECC in nand simulator mtd: nand: add software BCH ECC support mtd: fix printf format warnings, mostly lack of %zd for size_t, in mtdswap mtd: sm_rtl: check kmalloc return value mtd: cfi: add support for AMIC flashes (e.g. A29L160AT) lib: add shared BCH ECC library mtd: mxc_nand: fix OOB corruption when page size > 2KiB mtd: DaVinci: Removed header file that is not required mtd: pxa3xx_nand: clean the keep configure code mtd: pxa3xx_nand: mtd scan id process could be defined by driver itself mtd: pxa3xx_nand: unify prepare command mtd: pxa3xx_nand: discard wait_for_event,write_cmd,__readid function mtd: pxa3xx_nand: rework irq logic mtd: pxa3xx_nand: make scan procedure more clear mtd: speedtest: fix integer overflow mtd: mxc_nand: fix read past buffer end mtd: omap3: nand: report corrected ecc errors jffs2: remove a trailing white space in commentaries ...
PJensen · Mar 28, 2011 · a17d473 · a17d473
2 parents 04a6553 + 7bf7e37
commit a17d473
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Showing 55 changed files with 4,655 additions and 648 deletions.
diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h
@@ -32,6 +32,7 @@ struct omap_onenand_platform_data {
 	int			dma_channel;
 	u8			flags;
 	u8			regulator_can_sleep;
+	u8			skip_initial_unlocking;
 };
 
 #define ONENAND_MAX_PARTITIONS 8

diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h
@@ -30,14 +30,14 @@ struct pxa3xx_nand_cmdset {
 };
 
 struct pxa3xx_nand_flash {
+	char		*name;
 	uint32_t	chip_id;
 	unsigned int	page_per_block; /* Pages per block (PG_PER_BLK) */
 	unsigned int	page_size;	/* Page size in bytes (PAGE_SZ) */
 	unsigned int	flash_width;	/* Width of Flash memory (DWIDTH_M) */
 	unsigned int	dfc_width;	/* Width of flash controller(DWIDTH_C) */
 	unsigned int	num_blocks;	/* Number of physical blocks in Flash */
 
-	struct pxa3xx_nand_cmdset *cmdset;	/* NAND command set */
 	struct pxa3xx_nand_timing *timing;	/* NAND Flash timing */
 };
 

diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
@@ -276,7 +276,6 @@ config ETRAX_AXISFLASHMAP
 	select MTD_CHAR
 	select MTD_BLOCK
 	select MTD_PARTITIONS
-	select MTD_CONCAT
 	select MTD_COMPLEX_MAPPINGS
 	help
 	  This option enables MTD mapping of flash devices.  Needed to use

diff --git a/arch/cris/arch-v10/drivers/axisflashmap.c b/arch/cris/arch-v10/drivers/axisflashmap.c
@@ -234,7 +234,6 @@ static struct mtd_info *flash_probe(void)
 	}
 
 	if (mtd_cse0 && mtd_cse1) {
-#ifdef CONFIG_MTD_CONCAT
 		struct mtd_info *mtds[] = { mtd_cse0, mtd_cse1 };
 
 		/* Since the concatenation layer adds a small overhead we
@@ -246,11 +245,6 @@ static struct mtd_info *flash_probe(void)
 		 */
 		mtd_cse = mtd_concat_create(mtds, ARRAY_SIZE(mtds),
 					    "cse0+cse1");
-#else
-		printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel "
-		       "(mis)configuration!\n", map_cse0.name, map_cse1.name);
-		mtd_cse = NULL;
-#endif
 		if (!mtd_cse) {
 			printk(KERN_ERR "%s and %s: Concatenation failed!\n",
 			       map_cse0.name, map_cse1.name);

diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
@@ -406,7 +406,6 @@ config ETRAX_AXISFLASHMAP
 	select MTD_CHAR
 	select MTD_BLOCK
 	select MTD_PARTITIONS
-	select MTD_CONCAT
 	select MTD_COMPLEX_MAPPINGS
 	help
 	  This option enables MTD mapping of flash devices.  Needed to use

diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c
@@ -275,7 +275,6 @@ static struct mtd_info *flash_probe(void)
 	}
 
 	if (count > 1) {
-#ifdef CONFIG_MTD_CONCAT
 		/* Since the concatenation layer adds a small overhead we
 		 * could try to figure out if the chips in cse0 and cse1 are
 		 * identical and reprobe the whole cse0+cse1 window. But since
@@ -284,11 +283,6 @@ static struct mtd_info *flash_probe(void)
 		 * complicating the probing procedure.
 		 */
 		mtd_total = mtd_concat_create(mtds, count, "cse0+cse1");
-#else
-		printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel "
-		       "(mis)configuration!\n", map_cse0.name, map_cse1.name);
-		mtd_toal = NULL;
-#endif
 		if (!mtd_total) {
 			printk(KERN_ERR "%s and %s: Concatenation failed!\n",
 				map_cse0.name, map_cse1.name);

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
@@ -33,14 +33,6 @@ config MTD_TESTS
 	  should normally be compiled as kernel modules. The modules perform
 	  various checks and verifications when loaded.
 
-config MTD_CONCAT
-	tristate "MTD concatenating support"
-	help
-	  Support for concatenating several MTD devices into a single
-	  (virtual) one. This allows you to have -for example- a JFFS(2)
-	  file system spanning multiple physical flash chips. If unsure,
-	  say 'Y'.
-
 config MTD_PARTITIONS
 	bool "MTD partitioning support"
 	help
@@ -333,6 +325,16 @@ config MTD_OOPS
 	  To use, add console=ttyMTDx to the kernel command line,
 	  where x is the MTD device number to use.
 
+config MTD_SWAP
+	tristate "Swap on MTD device support"
+	depends on MTD && SWAP
+	select MTD_BLKDEVS
+	help
+	  Provides volatile block device driver on top of mtd partition
+          suitable for swapping.  The mapping of written blocks is not saved.
+	  The driver provides wear leveling by storing erase counter into the
+	  OOB.
+
 source "drivers/mtd/chips/Kconfig"
 
 source "drivers/mtd/maps/Kconfig"

diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
@@ -4,11 +4,10 @@
 
 # Core functionality.
 obj-$(CONFIG_MTD)		+= mtd.o
-mtd-y				:= mtdcore.o mtdsuper.o
+mtd-y				:= mtdcore.o mtdsuper.o mtdconcat.o
 mtd-$(CONFIG_MTD_PARTITIONS)	+= mtdpart.o
 mtd-$(CONFIG_MTD_OF_PARTS)	+= ofpart.o
 
-obj-$(CONFIG_MTD_CONCAT)	+= mtdconcat.o
 obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
 obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
 obj-$(CONFIG_MTD_AFS_PARTS)	+= afs.o
@@ -26,6 +25,7 @@ obj-$(CONFIG_RFD_FTL)		+= rfd_ftl.o
 obj-$(CONFIG_SSFDC)		+= ssfdc.o
 obj-$(CONFIG_SM_FTL)		+= sm_ftl.o
 obj-$(CONFIG_MTD_OOPS)		+= mtdoops.o
+obj-$(CONFIG_MTD_SWAP)		+= mtdswap.o
 
 nftl-objs		:= nftlcore.o nftlmount.o
 inftl-objs		:= inftlcore.o inftlmount.o

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -455,7 +455,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 	mtd->flags   = MTD_CAP_NORFLASH;
 	mtd->name    = map->name;
 	mtd->writesize = 1;
-	mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
+	mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
 
 	mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;
 

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -349,6 +349,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri },
 #ifdef AMD_BOOTLOC_BUG
 	{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock },
+	{ CFI_MFR_AMIC, CFI_ID_ANY, fixup_amd_bootblock },
 	{ CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock },
 #endif
 	{ CFI_MFR_AMD, 0x0050, fixup_use_secsi },
@@ -440,7 +441,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 	mtd->flags   = MTD_CAP_NORFLASH;
 	mtd->name    = map->name;
 	mtd->writesize = 1;
-	mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
+	mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
 
 	DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): write buffer size %d\n",
 		__func__, mtd->writebufsize);

diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -238,7 +238,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
 	mtd->resume = cfi_staa_resume;
 	mtd->flags = MTD_CAP_NORFLASH & ~MTD_BIT_WRITEABLE;
 	mtd->writesize = 8; /* FIXME: Should be 0 for STMicro flashes w/out ECC */
-	mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
+	mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
 	map->fldrv = &cfi_staa_chipdrv;
 	__module_get(THIS_MODULE);
 	mtd->name = map->name;

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
@@ -655,7 +655,8 @@ static const struct spi_device_id m25p_ids[] = {
 	{ "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) },
 	{ "at26df321",  INFO(0x1f4700, 0, 64 * 1024, 64, SECT_4K) },
 
-	/* EON -- en25pxx */
+	/* EON -- en25xxx */
+	{ "en25f32", INFO(0x1c3116, 0, 64 * 1024,  64, SECT_4K) },
 	{ "en25p32", INFO(0x1c2016, 0, 64 * 1024,  64, 0) },
 	{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
 
@@ -728,6 +729,8 @@ static const struct spi_device_id m25p_ids[] = {
 	{ "m25pe80", INFO(0x208014,  0, 64 * 1024, 16,       0) },
 	{ "m25pe16", INFO(0x208015,  0, 64 * 1024, 32, SECT_4K) },
 
+	{ "m25px64", INFO(0x207117,  0, 64 * 1024, 128, 0) },
+
 	/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
 	{ "w25x10", INFO(0xef3011, 0, 64 * 1024,  2,  SECT_4K) },
 	{ "w25x20", INFO(0xef3012, 0, 64 * 1024,  4,  SECT_4K) },

diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c
@@ -121,6 +121,7 @@ int mtdram_init_device(struct mtd_info *mtd, void *mapped_address,
 	mtd->flags = MTD_CAP_RAM;
 	mtd->size = size;
 	mtd->writesize = 1;
+	mtd->writebufsize = 64; /* Mimic CFI NOR flashes */
 	mtd->erasesize = MTDRAM_ERASE_SIZE;
 	mtd->priv = mapped_address;
 

diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
@@ -117,6 +117,7 @@ static void unregister_devices(void)
 	list_for_each_entry_safe(this, safe, &phram_list, list) {
 		del_mtd_device(&this->mtd);
 		iounmap(this->mtd.priv);
+		kfree(this->mtd.name);
 		kfree(this);
 	}
 }
@@ -275,6 +276,8 @@ static int phram_setup(const char *val, struct kernel_param *kp)
 	ret = register_device(name, start, len);
 	if (!ret)
 		pr_info("%s device: %#x at %#x\n", name, len, start);
+	else
+		kfree(name);
 
 	return ret;
 }

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
@@ -114,7 +114,7 @@ config MTD_SUN_UFLASH
 
 config MTD_SC520CDP
 	tristate "CFI Flash device mapped on AMD SC520 CDP"
-	depends on X86 && MTD_CFI && MTD_CONCAT
+	depends on X86 && MTD_CFI
 	help
 	  The SC520 CDP board has two banks of CFI-compliant chips and one
 	  Dual-in-line JEDEC chip. This 'mapping' driver supports that
@@ -262,7 +262,7 @@ config MTD_BCM963XX
 
 config MTD_DILNETPC
 	tristate "CFI Flash device mapped on DIL/Net PC"
-	depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
+	depends on X86 && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
 	help
 	  MTD map driver for SSV DIL/Net PC Boards "DNP" and "ADNP".
 	  For details, see <http://www.ssv-embedded.de/ssv/pc104/p169.htm>
@@ -552,4 +552,13 @@ config MTD_PISMO
 
 	  When built as a module, it will be called pismo.ko
 
+config MTD_LATCH_ADDR
+        tristate "Latch-assisted Flash Chip Support"
+        depends on MTD_COMPLEX_MAPPINGS
+        help
+          Map driver which allows flashes to be partially physically addressed
+          and have the upper address lines set by a board specific code.
+
+          If compiled as a module, it will be called latch-addr-flash.
+
 endmenu
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
@@ -59,3 +59,4 @@ obj-$(CONFIG_MTD_RBTX4939)	+= rbtx4939-flash.o
 obj-$(CONFIG_MTD_VMU)		+= vmu-flash.o
 obj-$(CONFIG_MTD_GPIO_ADDR)	+= gpio-addr-flash.o
 obj-$(CONFIG_MTD_BCM963XX)	+= bcm963xx-flash.o
+obj-$(CONFIG_MTD_LATCH_ADDR)	+= latch-addr-flash.o
diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c
@@ -194,16 +194,10 @@ static int __init clps_setup_mtd(struct clps_info *clps, int nr, struct mtd_info
 			 * We detected multiple devices.  Concatenate
 			 * them together.
 			 */
-#ifdef CONFIG_MTD_CONCAT
 			*rmtd = mtd_concat_create(subdev, found,
 						  "clps flash");
 			if (*rmtd == NULL)
 				ret = -ENXIO;
-#else
-			printk(KERN_ERR "clps flash: multiple devices "
-			       "found but MTD concat support disabled.\n");
-			ret = -ENXIO;
-#endif
 		}
 	}
 

diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c
@@ -202,7 +202,6 @@ static int armflash_probe(struct platform_device *dev)
 	if (info->nr_subdev == 1)
 		info->mtd = info->subdev[0].mtd;
 	else if (info->nr_subdev > 1) {
-#ifdef CONFIG_MTD_CONCAT
 		struct mtd_info *cdev[info->nr_subdev];
 
 		/*
@@ -215,11 +214,6 @@ static int armflash_probe(struct platform_device *dev)
 					      dev_name(&dev->dev));
 		if (info->mtd == NULL)
 			err = -ENXIO;
-#else
-		printk(KERN_ERR "armflash: multiple devices found but "
-		       "MTD concat support disabled.\n");
-		err = -ENXIO;
-#endif
 	}
 
 	if (err < 0)
@@ -244,10 +238,8 @@ static int armflash_probe(struct platform_device *dev)
  cleanup:
 	if (info->mtd) {
 		del_mtd_partitions(info->mtd);
-#ifdef CONFIG_MTD_CONCAT
 		if (info->mtd != info->subdev[0].mtd)
 			mtd_concat_destroy(info->mtd);
-#endif
 	}
 	kfree(info->parts);
  subdev_err:
@@ -272,10 +264,8 @@ static int armflash_remove(struct platform_device *dev)
 	if (info) {
 		if (info->mtd) {
 			del_mtd_partitions(info->mtd);
-#ifdef CONFIG_MTD_CONCAT
 			if (info->mtd != info->subdev[0].mtd)
 				mtd_concat_destroy(info->mtd);
-#endif
 		}
 		kfree(info->parts);