diff options
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/dma-buf.rst | 6 | ||||
| -rw-r--r-- | Documentation/driver-api/driver-model/devres.rst | 9 | ||||
| -rw-r--r-- | Documentation/driver-api/eisa.rst | 2 | ||||
| -rw-r--r-- | Documentation/driver-api/gpio/legacy.rst | 5 | ||||
| -rw-r--r-- | Documentation/driver-api/pin-control.rst | 10 | ||||
| -rw-r--r-- | Documentation/driver-api/spi.rst | 4 |
6 files changed, 23 insertions, 13 deletions
diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 36a76cbe9095..622b8156d212 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -119,6 +119,12 @@ DMA Buffer ioctls .. kernel-doc:: include/uapi/linux/dma-buf.h +DMA-BUF locking convention +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/dma-buf/dma-buf.c + :doc: locking convention + Kernel Functions and Structures Reference ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 060db79a740e..4a47f71ae4d2 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -287,12 +287,16 @@ IIO devm_iio_device_register() devm_iio_dmaengine_buffer_setup() devm_iio_kfifo_buffer_setup() + devm_iio_kfifo_buffer_setup_ext() devm_iio_map_array_register() devm_iio_triggered_buffer_setup() + devm_iio_triggered_buffer_setup_ext() devm_iio_trigger_alloc() devm_iio_trigger_register() devm_iio_channel_get() devm_iio_channel_get_all() + devm_iio_hw_consumer_alloc() + devm_fwnode_iio_channel_get_by_name() INPUT devm_input_allocate_device() @@ -339,7 +343,10 @@ IRQ LED devm_led_classdev_register() + devm_led_classdev_register_ext() devm_led_classdev_unregister() + devm_led_trigger_register() + devm_of_led_get() MDIO devm_mdiobus_alloc() @@ -405,12 +412,14 @@ POWER devm_reboot_mode_unregister() PWM + devm_pwmchip_add() devm_pwm_get() devm_fwnode_pwm_get() REGULATOR devm_regulator_bulk_register_supply_alias() devm_regulator_bulk_get() + devm_regulator_bulk_get_const() devm_regulator_bulk_get_enable() devm_regulator_bulk_put() devm_regulator_get() diff --git a/Documentation/driver-api/eisa.rst b/Documentation/driver-api/eisa.rst index c07565ba57da..3eac11b7eb01 100644 --- a/Documentation/driver-api/eisa.rst +++ b/Documentation/driver-api/eisa.rst @@ -189,7 +189,7 @@ eisa_bus.enable_dev initialize the device in such conditions. eisa_bus.disable_dev - A comma-separated list of slots to be enabled, even if the firmware + A comma-separated list of slots to be disabled, even if the firmware set the card as enabled. The driver won't be called to handle this device. diff --git a/Documentation/driver-api/gpio/legacy.rst b/Documentation/driver-api/gpio/legacy.rst index 9b12eeb89170..e17910cc3271 100644 --- a/Documentation/driver-api/gpio/legacy.rst +++ b/Documentation/driver-api/gpio/legacy.rst @@ -558,11 +558,6 @@ Platform Support To force-enable this framework, a platform's Kconfig will "select" GPIOLIB, else it is up to the user to configure support for GPIO. -It may also provide a custom value for ARCH_NR_GPIOS, so that it better -reflects the number of GPIOs in actual use on that platform, without -wasting static table space. (It should count both built-in/SoC GPIOs and -also ones on GPIO expanders. - If neither of these options are selected, the platform does not support GPIOs through GPIO-lib and the code cannot be enabled by the user. diff --git a/Documentation/driver-api/pin-control.rst b/Documentation/driver-api/pin-control.rst index 71eefe5a023f..0022e930e93e 100644 --- a/Documentation/driver-api/pin-control.rst +++ b/Documentation/driver-api/pin-control.rst @@ -1238,7 +1238,7 @@ default state like this:: return PTR_ERR(foo->s); } - ret = pinctrl_select_state(foo->s); + ret = pinctrl_select_state(foo->p, foo->s); if (ret < 0) { /* FIXME: clean up "foo" here */ return ret; @@ -1399,11 +1399,11 @@ on the pins defined by group B:: if (IS_ERR(p)) ... - s1 = pinctrl_lookup_state(foo->p, "pos-A"); + s1 = pinctrl_lookup_state(p, "pos-A"); if (IS_ERR(s1)) ... - s2 = pinctrl_lookup_state(foo->p, "pos-B"); + s2 = pinctrl_lookup_state(p, "pos-B"); if (IS_ERR(s2)) ... } @@ -1411,14 +1411,14 @@ on the pins defined by group B:: foo_switch() { /* Enable on position A */ - ret = pinctrl_select_state(s1); + ret = pinctrl_select_state(p, s1); if (ret < 0) ... ... /* Enable on position B */ - ret = pinctrl_select_state(s2); + ret = pinctrl_select_state(p, s2); if (ret < 0) ... diff --git a/Documentation/driver-api/spi.rst b/Documentation/driver-api/spi.rst index f64cb666498a..f28887045049 100644 --- a/Documentation/driver-api/spi.rst +++ b/Documentation/driver-api/spi.rst @@ -25,8 +25,8 @@ hardware, which may be as simple as a set of GPIO pins or as complex as a pair of FIFOs connected to dual DMA engines on the other side of the SPI shift register (maximizing throughput). Such drivers bridge between whatever bus they sit on (often the platform bus) and SPI, and expose -the SPI side of their device as a :c:type:`struct spi_master -<spi_master>`. SPI devices are children of that master, +the SPI side of their device as a :c:type:`struct spi_controller +<spi_controller>`. SPI devices are children of that master, represented as a :c:type:`struct spi_device <spi_device>` and manufactured from :c:type:`struct spi_board_info <spi_board_info>` descriptors which are usually provided by |