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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 23:56:26 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 23:56:26 +0200
commit22ae77bc7ac115b9d518d5cbc13d39317079b2b0 (patch)
tree574b7af678c0b1ad2c891ac5066292746788ece8 /include
parentLANANA: Fix dates (diff)
parent[MTD] struct device - replace bus_id with dev_name(), dev_set_name() (diff)
downloadlinux-22ae77bc7ac115b9d518d5cbc13d39317079b2b0.tar.xz
linux-22ae77bc7ac115b9d518d5cbc13d39317079b2b0.zip
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.h21
-rw-r--r--include/linux/mtd/nand.h4
-rw-r--r--include/linux/mtd/partitions.h12
3 files changed, 35 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 3aa5d77c2cdb..5675b63a0631 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 db5b63da2a7e..7efb9be34662 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 a45dd831b3f8..7535a74083b9 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