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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 14:56:26 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 14:56:26 -0700 |
commit | 22ae77bc7ac115b9d518d5cbc13d39317079b2b0 (patch) | |
tree | 574b7af678c0b1ad2c891ac5066292746788ece8 /include | |
parent | e379ec7c42343c6b6ef06a98de7c94db41c1423e (diff) | |
parent | 30bbf1406714cf464c56e96e4ad6a291907f5023 (diff) | |
download | kernel_samsung_smdk4412-22ae77bc7ac115b9d518d5cbc13d39317079b2b0.zip kernel_samsung_smdk4412-22ae77bc7ac115b9d518d5cbc13d39317079b2b0.tar.gz kernel_samsung_smdk4412-22ae77bc7ac115b9d518d5cbc13d39317079b2b0.tar.bz2 |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (53 commits)
[MTD] struct device - replace bus_id with dev_name(), dev_set_name()
[MTD] [NOR] Fixup for Numonyx M29W128 chips
[MTD] mtdpart: Make ecc_stats more realistic.
powerpc/85xx: TQM8548: Update DTS file for multi-chip support
powerpc: NAND: FSL UPM: document new bindings
[MTD] [NAND] FSL-UPM: Add wait flags to support board/chip specific delays
[MTD] [NAND] FSL-UPM: add multi chip support
[MTD] [NOR] Add device parent info to physmap_of
[MTD] [NAND] Add support for NAND on the Socrates board
[MTD] [NAND] Add support for 4KiB pages.
[MTD] sysfs support should not depend on CONFIG_PROC_FS
[MTD] [NAND] Add parent info for CAFÉ controller
[MTD] support driver model updates
[MTD] driver model updates (part 2)
[MTD] driver model updates
[MTD] [NAND] move gen_nand's probe function to .devinit.text
[MTD] [MAPS] move sa1100 flash's probe function to .devinit.text
[MTD] fix use after free in register_mtd_blktrans
[MTD] [MAPS] Drop now unused sharpsl-flash map
[MTD] ofpart: Check name property to determine partition nodes.
...
Manually fix trivial conflict in drivers/mtd/maps/Makefile
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mtd/mtd.h | 21 | ||||
-rw-r--r-- | include/linux/mtd/nand.h | 4 | ||||
-rw-r--r-- | include/linux/mtd/partitions.h | 12 |
3 files changed, 35 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 3aa5d77..5675b63 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/uio.h> #include <linux/notifier.h> +#include <linux/device.h> #include <linux/mtd/compatmac.h> #include <mtd/mtd-abi.h> @@ -162,6 +163,20 @@ struct mtd_info { /* We probably shouldn't allow XIP if the unpoint isn't a NULL */ void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len); + /* Allow NOMMU mmap() to directly map the device (if not NULL) + * - return the address to which the offset maps + * - return -ENOSYS to indicate refusal to do the mapping + */ + unsigned long (*get_unmapped_area) (struct mtd_info *mtd, + unsigned long len, + unsigned long offset, + unsigned long flags); + + /* Backing device capabilities for this device + * - provides mmap capabilities + */ + struct backing_dev_info *backing_dev_info; + int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf); @@ -223,6 +238,7 @@ struct mtd_info { void *priv; struct module *owner; + struct device dev; int usecount; /* If the driver is something smart, like UBI, it may need to maintain @@ -233,6 +249,11 @@ struct mtd_info { void (*put_device) (struct mtd_info *mtd); }; +static inline struct mtd_info *dev_to_mtd(struct device *dev) +{ + return dev ? container_of(dev, struct mtd_info, dev) : NULL; +} + static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd) { if (mtd->erasesize_shift) diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index db5b63d..7efb9be 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -43,8 +43,8 @@ extern void nand_wait_ready(struct mtd_info *mtd); * is supported now. If you add a chip with bigger oobsize/page * adjust this accordingly. */ -#define NAND_MAX_OOBSIZE 64 -#define NAND_MAX_PAGESIZE 2048 +#define NAND_MAX_OOBSIZE 128 +#define NAND_MAX_PAGESIZE 4096 /* * Constants for hardware specific CLE/ALE/NCE function diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index a45dd83..7535a74 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -76,4 +76,16 @@ int __devinit of_mtd_parse_partitions(struct device *dev, struct device_node *node, struct mtd_partition **pparts); +#ifdef CONFIG_MTD_PARTITIONS +static inline int mtd_has_partitions(void) { return 1; } +#else +static inline int mtd_has_partitions(void) { return 0; } +#endif + +#ifdef CONFIG_MTD_CMDLINE_PARTS +static inline int mtd_has_cmdlinepart(void) { return 1; } +#else +static inline int mtd_has_cmdlinepart(void) { return 0; } +#endif + #endif |