regulator_bulk_unregister_supply_alias – unregister multiple aliases Synopsis void regulator_bulk_unregister_supply_alias(struct device *dev, const char *const *id, int num_id); Arguments dev device that will be given as the regulator “consumer” id List of supply names or regulator IDs num_id Number of aliases to unregister Description This helper function allows drivers to unregister several supply aliases in one operation….
regulator_bulk_register_supply_alias – register multiple aliases Synopsis int regulator_bulk_register_supply_alias(struct device *dev, const char *const *id, struct device *alias_dev, const char *const *alias_id, int num_id); Arguments dev device that will be given as the regulator “consumer” id List of supply names or regulator IDs alias_dev device that should be used to lookup the supply alias_id List of…
regulator_bulk_get – get multiple regulator consumers Synopsis int regulator_bulk_get(struct device *dev, int num_consumers, struct regulator_bulk_data *consumers); Arguments dev Device to supply num_consumers Number of consumers to register consumers Configuration of consumers; clients are stored here. Description return 0 on success, an errno on failure. This helper function allows drivers to get several regulator consumers in…
regulator_bulk_free – free multiple regulator consumers Synopsis void regulator_bulk_free(int num_consumers, struct regulator_bulk_data *consumers); Arguments num_consumers Number of consumers consumers Consumer data; clients are stored here. Description This convenience API allows consumers to free multiple regulator clients in a single API call. Authors Liam Girdwood <lrg [at] slimlogic.co.uk> Author. Mark Brown <broonie [at] opensource.wolfsonmicro.com> Wolfson Microelectronics,…
regulator_bulk_force_disable – force disable multiple regulator consumers Synopsis int regulator_bulk_force_disable(int num_consumers, struct regulator_bulk_data *consumers); Arguments num_consumers Number of consumers consumers Consumer data; clients are stored here. return 0 on success, an errno on failure Description This convenience API allows consumers to forcibly disable multiple regulator clients in a single API call. Note This should be…
regulator_bulk_enable – enable multiple regulator consumers Synopsis int regulator_bulk_enable(int num_consumers, struct regulator_bulk_data *consumers); Arguments num_consumers Number of consumers consumers Consumer data; clients are stored here. return 0 on success, an errno on failure Description This convenience API allows consumers to enable multiple regulator clients in a single API call. If any consumers cannot be enabled…
regulator_bulk_disable – disable multiple regulator consumers Synopsis int regulator_bulk_disable(int num_consumers, struct regulator_bulk_data *consumers); Arguments num_consumers Number of consumers consumers Consumer data; clients are stored here. return 0 on success, an errno on failure Description This convenience API allows consumers to disable multiple regulator clients in a single API call. If any consumers cannot be disabled…
regulator_allow_bypass – allow the regulator to go into bypass mode Synopsis int regulator_allow_bypass(struct regulator *regulator, bool enable); Arguments regulator Regulator to configure enable enable or disable bypass mode Description Allow the regulator to go into bypass mode if all other consumers for the regulator also enable bypass mode and the machine constraints allow this. Bypass…
register_netdevice_notifier – register a network notifier block Synopsis int register_netdevice_notifier(struct notifier_block *nb); Arguments nb notifier Description Register a notifier to be called when network device events occur. The notifier passed is linked into the kernel structures and must not be reused until it has been unregistered. A negative errno code is returned on a failure….
register_netdevice – register a network device Synopsis int register_netdevice(struct net_device *dev); Arguments dev device to register Description Take a completed network device structure and add it to the kernel interfaces. A NETDEV_REGISTER message is sent to the netdev notifier chain. 0 is returned on success. A negative errno code is returned on a failure to…
register_netdev – register a network device Synopsis int register_netdev(struct net_device *dev); Arguments dev device to register Description Take a completed network device structure and add it to the kernel interfaces. A NETDEV_REGISTER message is sent to the netdev notifier chain. 0 is returned on success. A negative errno code is returned on a failure to…
register_filesystem – register a new filesystem Synopsis int register_filesystem(struct file_system_type *fs); Arguments fs the file system structure Description Adds the file system passed to the list of file systems the kernel is aware of for mount and other syscalls. Returns 0 on success, or a negative errno code on an error. The struct file_system_type that…
register_chrdev_region – register a range of device numbers Synopsis int register_chrdev_region(dev_t from, unsigned count, const char *name); Arguments from the first in the desired range of device numbers; must include the major number. count the number of consecutive device numbers required name the name of the device or driver. Description Return value is zero on…
register_blkdev – register a new block device Synopsis int register_blkdev(unsigned int major, const char *name); Arguments major the requested major device number [1..255]. If major=0, try to allocate any unused major number. name the name of the new block device as a zero terminated string Description The name must be unique within the system. The…
register_adapter_interrupt – register adapter interrupt handler Synopsis int register_adapter_interrupt(struct airq_struct *airq); Arguments airq pointer to adapter interrupt descriptor Description Returns 0 on success, or -EINVAL. Author Cornelia Huck <cornelia.huck [at] de.ibm.com> Author. Copyright
region_intersects – determine intersection of region with known resources Synopsis int region_intersects(resource_size_t start, size_t size, unsigned long flags, unsigned long desc); Arguments start region start address size size of region flags flags of resource (in iomem_resource) desc descriptor of resource (in iomem_resource) or IORES_DESC_NONE Description Check if the specified region partially overlaps or fully eclipses…
reallocate_resource – allocate a slot in the resource tree given range & alignment. The resource will be relocated if the new size cannot be reallocated in the current location. Synopsis int reallocate_resource(struct resource *root, struct resource *old, resource_size_t newsize, struct resource_constraint *constraint); Arguments root root resource descriptor old resource descriptor desired by caller newsize new…
read_zsreg – Read a register from a Z85230 Synopsis u8 read_zsreg(struct z8530_channel * c, u8 reg); Arguments c Z8530 channel to read from (2 per chip) reg Register to read FIXME: Use a spinlock. Most of the Z8530 registers are indexed off the control registers. A read is done by writing to the control register and reading the…
read_zsdata – Read the data port of a Z8530 channel Synopsis u8 read_zsdata(struct z8530_channel * c); Arguments c The Z8530 channel to read the data port from Description The data port provides fast access to some things. We still have all the 5uS delays to worry about. Author Alan Cox <alan [at] lxorguk.ukuu.org.uk> Author. Copyright
read_cache_pages – populate an address space with some pages & start reads against them Synopsis int read_cache_pages(struct address_space *mapping, struct list_head *pages, int (*filler)(void *, struct page *), void *data); Arguments mapping the address_space pages The address of a list_head which contains the target pages. These pages have their ->index populated and are otherwise uninitialised….