mdiobus_write – Convenience function for writing a given MII mgmt register Synopsis int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); Arguments bus the mii_bus struct addr the phy address regnum register number to write val value to write to regnum Note MUST NOT be called from interrupt context, because the bus read/write functions…
mdiobus_scan – scan a bus for MDIO devices. Synopsis struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); Arguments bus mii_bus to scan addr address on bus to scan Description This function scans the MDIO bus, looking for devices which can be identified using a vendor/product ID in registers 2 and 3. Not all MDIO devices have…
mdiobus_release – mii_bus device release callback Synopsis void mdiobus_release(struct device *d); Arguments d the target struct device that contains the mii_bus Description called when the last reference to an mii_bus is dropped, to free the underlying memory. Copyright
mdiobus_read_nested – Nested version of the mdiobus_read function Synopsis int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum); Arguments bus the mii_bus struct addr the phy address regnum register number to read Description In case of nested MDIO bus access avoid lockdep false positives by using mutex_lock_nested. Note MUST NOT be called from interrupt context, because…
mdiobus_read – Convenience function for reading a given MII mgmt register Synopsis int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); Arguments bus the mii_bus struct addr the phy address regnum register number to read Note MUST NOT be called from interrupt context, because the bus read/write functions may wait for an interrupt to conclude the…
mdiobus_free – free a struct mii_bus Synopsis void mdiobus_free(struct mii_bus *bus); Arguments bus mii_bus to free Description This function releases the reference to the underlying device object in the mii_bus. If this is the last reference, the mii_bus will be freed. Copyright
mdiobus_alloc_size – allocate a mii_bus structure Synopsis struct mii_bus *mdiobus_alloc_size(size_t size); Arguments size extra amount of memory to allocate for private storage. If non-zero, then bus->priv is points to that memory. Description called by a bus driver to allocate an mii_bus structure to fill in. Copyright
mdio_bus_match – determine if given MDIO driver supports the given MDIO device Synopsis int mdio_bus_match(struct device *dev, struct device_driver *drv); Arguments dev target MDIO device drv given MDIO driver Description Given a MDIO device, and a MDIO driver, return 1 if the driver supports the device. Otherwise, return 0. This may require calling the devices…
match_string – matches given string in an array Synopsis int match_string(const char *const *array, size_t n, const char *string); Arguments array array of strings n number of strings in the array or -1 for NULL terminated arrays string string to match with Return index of a string in the array if matches, or -EINVAL otherwise….
match_futex – Check whether two futex keys are equal Synopsis int match_futex(union futex_key *key1, union futex_key *key2); Arguments key1 Pointer to key1 key2 Pointer to key2 Description Return 1 if two futex_keys are equal, 0 otherwise. Author Rusty Russell <rusty [at] rustcorp.com.au> Author. Copyright
mark_buffer_dirty – mark a buffer_head as needing writeout Synopsis void mark_buffer_dirty(struct buffer_head *bh); Arguments bh the buffer_head to mark dirty Description mark_buffer_dirty will set the dirty bit against the buffer, then set its backing page dirty, then tag the page as dirty in its address_space’s radix tree and then attach the address_space’s inode to its…
mark_bbt_region – [GENERIC] mark the bad block table regions Synopsis void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td); Arguments mtd MTD device structure td bad block table descriptor Description The bad block table regions are marked as “bad” to prevent accidental erasures / writes. The regions are identified by the mark 0x02. Author Thomas Gleixner <tglx…
mark_bbt_block_bad – Mark one of the block reserved for BBT bad Synopsis void mark_bbt_block_bad(struct nand_chip *this, struct nand_bbt_descr *td, int chip, int block); Arguments this the NAND device td the BBT description chip the CHIP selector block the BBT block to mark Description Blocks reserved for BBT can become bad. This functions is an helper…
maple_getcond_callback – setup handling MAPLE_COMMAND_GETCOND Synopsis void maple_getcond_callback(struct maple_device *dev, void (*callback)(struct mapleq *mq), unsigned long interval, unsigned long function); Arguments dev device responding callback handler callback interval interval in jiffies between callbacks function the function code for the device Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
maple_driver_unregister – unregister a maple driver. Synopsis void maple_driver_unregister(struct maple_driver *drv); Arguments drv maple driver to unregister. Description Cleans up after maple_driver_register. To be invoked in the exit path of any module drivers. Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
maple_driver_register – register a maple driver Synopsis int maple_driver_register(struct maple_driver *drv); Arguments drv maple driver to be registered. Description Registers the passed in drv, while updating the bus type. Devices with matching function IDs will be automatically probed. Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
maple_add_packet – add a single instruction to the maple bus queue Synopsis int maple_add_packet(struct maple_device *mdev, u32 function, u32 command, size_t length, void *data); Arguments mdev maple device function function on device being queried command maple command to add length length of command string (in 32 bit words) data remainder of command string Author Paul…
mangle_path – mangle and copy path to buffer beginning Synopsis char *mangle_path(char *s, const char *p, const char *esc); Arguments s buffer start p beginning of path in above buffer esc set of characters that need escaping Description Copy the path from p to s, replacing each occurrence of character from esc with usual octal…
make_bad_inode – mark an inode bad due to an I/O error Synopsis void make_bad_inode(struct inode *inode); Arguments inode Inode to mark bad Description When an inode cannot be read due to a media or remote network failure this function makes the inode “bad” and causes I/O operations on it to fail from this point on….
lookup_resource – find an existing resource by a resource start address Synopsis struct resource *lookup_resource(struct resource *root, resource_size_t start); Arguments root root resource descriptor start resource start address Description Returns a pointer to the resource if found, NULL otherwise Copyright