disable_irq_nosync – disable an irq without waiting Synopsis void disable_irq_nosync(unsigned int irq); Arguments irq Interrupt to disable Description Disable the selected interrupt line. Disables and Enables are nested. Unlike disable_irq, this function does not ensure existing instances of the IRQ handler have completed before returning. This function may be called from IRQ context. Copyright
disable_irq – disable an irq and wait for completion Synopsis void disable_irq(unsigned int irq); Arguments irq Interrupt to disable Description Disable the selected interrupt line. Enables and Disables are nested. This function waits for any pending IRQ handlers for this interrupt to complete before returning. If you use this function while holding a resource the…
disable_hardirq – disables an irq and waits for hardirq completion Synopsis bool disable_hardirq(unsigned int irq); Arguments irq Interrupt to disable Description Disable the selected interrupt line. Enables and Disables are nested. This function waits for any pending hard IRQ handlers for this interrupt to complete before returning. If you use this function while holding a resource…
disable_cmf – switch off the channel measurement for a specific device Synopsis int disable_cmf(struct ccw_device *cdev); Arguments cdev The ccw device to be disabled Description Returns 0 for success or a negative error value. Context non-atomic Author Cornelia Huck <cornelia.huck [at] de.ibm.com> Author. Copyright
dget_dlock – get a reference to a dentry Synopsis struct dentry *dget_dlock(struct dentry *dentry); Arguments dentry dentry to get a reference to Description Given a dentry or NULL pointer increment the reference count if appropriate and return the dentry. A dentry will not be destroyed when it has references. Copyright
devm_snd_soc_register_platform – resource managed platform registration Synopsis int devm_snd_soc_register_platform(struct device *dev, const struct snd_soc_platform_driver *platform_drv); Arguments dev Device used to manage platform platform_drv platform to register Description Register a platform driver with automatic unregistration when the device is unregistered. Copyright
devm_snd_soc_register_component – resource managed component registration Synopsis int devm_snd_soc_register_component(struct device *dev, const struct snd_soc_component_driver *cmpnt_drv, struct snd_soc_dai_driver *dai_drv, int num_dai); Arguments dev Device used to manage component cmpnt_drv Component driver dai_drv DAI driver num_dai Number of DAIs to register Description Register a component with automatic unregistration when the device is unregistered. Copyright
devm_snd_soc_register_card – resource managed card registration Synopsis int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); Arguments dev Device used to manage card card Card to register Description Register a card with automatic unregistration when the device is unregistered. Copyright
devm_snd_dmaengine_pcm_register – resource managed dmaengine PCM registration Synopsis int devm_snd_dmaengine_pcm_register(struct device *dev, const struct snd_dmaengine_pcm_config *config, unsigned int flags); Arguments dev The parent device for the PCM device config Platform specific PCM configuration flags Platform specific quirks Description Register a dmaengine based PCM device with automatic unregistration when the device is unregistered. Copyright
devm_request_resource – request and reserve an I/O or memory resource Synopsis int devm_request_resource(struct device *dev, struct resource *root, struct resource *new); Arguments dev device for which to request the resource root root of the resource tree from which to request the resource new descriptor of the resource to request Description This is a device-managed version…
devm_release_resource – release a previously requested resource Synopsis void devm_release_resource(struct device *dev, struct resource *new); Arguments dev device for which to release the resource new descriptor of the resource to release Description Releases a resource previously requested using devm_request_resource. Copyright
devm_mdiobus_free – Resource-managed mdiobus_free Synopsis void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); Arguments dev Device this mii_bus belongs to bus the mii_bus associated with the device Description Free mii_bus allocated with devm_mdiobus_alloc_size. Copyright
devm_mdiobus_alloc_size – Resource-managed mdiobus_alloc_size Synopsis struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); Arguments dev Device to allocate mii_bus for sizeof_priv Space to allocate for private structure. Description Managed mdiobus_alloc_size. mii_bus allocated with this function is automatically freed on driver detach. If an mii_bus allocated with this function needs to be freed separately, devm_mdiobus_free must be…
devm_iio_trigger_unregister – Resource-managed iio_trigger_unregister Synopsis void devm_iio_trigger_unregister(struct device *dev, struct iio_trigger *trig_info); Arguments dev device this iio_trigger belongs to trig_info the trigger associated with the device Description Unregister trigger registered with devm_iio_trigger_register. Author Daniel Baluta <daniel.baluta [at] intel.com> Author. Copyright
devm_iio_trigger_register – Resource-managed iio_trigger_register Synopsis int devm_iio_trigger_register(struct device *dev, struct iio_trigger *trig_info); Arguments dev device this trigger was allocated for trig_info trigger to register Description Managed iio_trigger_register. The IIO trigger registered with this function is automatically unregistered on driver detach. This function calls iio_trigger_register internally. Refer to that function for more information. If an iio_trigger…
devm_iio_trigger_free – Resource-managed iio_trigger_free Synopsis void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig); Arguments dev Device this iio_dev belongs to iio_trig the iio_trigger associated with the device Description Free iio_trigger allocated with devm_iio_trigger_alloc. Author Daniel Baluta <daniel.baluta [at] intel.com> Author. Copyright
devm_iio_trigger_alloc – Resource-managed iio_trigger_alloc Synopsis struct iio_trigger *devm_iio_trigger_alloc(struct device *dev, const char *fmt, …); Arguments dev Device to allocate iio_trigger for fmt trigger name format. If it includes format specifiers, the additional arguments following format are formatted and inserted in the resulting string replacing their respective specifiers. … variable arguments Description Managed iio_trigger_alloc. iio_trigger allocated…
devm_clk_put – "free" a managed clock source Synopsis void devm_clk_put(struct device *dev, struct clk *clk); Arguments dev device used to acquire the clock clk clock source acquired with devm_clk_get Note drivers must ensure that all clk_enable calls made on this clock source are balanced by clk_disable calls prior to calling this function. clk_put should not…
devm_clk_get – lookup and obtain a managed reference to a clock producer. Synopsis struct clk *devm_clk_get(struct device *dev, const char *id); Arguments dev device for clock “consumer” id clock consumer ID Description Returns a struct clk corresponding to the clock producer, or valid IS_ERR condition containing errno. The implementation uses dev and id to determine…
device_add_disk – add partitioning information to kernel list Synopsis void device_add_disk(struct device *parent, struct gendisk *disk); Arguments parent parent device for the disk disk per-device partitioning information Description This function registers the partitioning information in disk with the kernel. FIXME: error handling Copyright