diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nvmem-provider.h | 17 | ||||
| -rw-r--r-- | include/linux/uio_driver.h | 16 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index 06409a6c40bc..e162b757b6d5 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -31,6 +31,19 @@ enum nvmem_type { #define NVMEM_DEVID_AUTO (-2) /** + * struct nvmem_keepout - NVMEM register keepout range. + * + * @start: The first byte offset to avoid. + * @end: One beyond the last byte offset to avoid. + * @value: The byte to fill reads with for this region. + */ +struct nvmem_keepout { + unsigned int start; + unsigned int end; + unsigned char value; +}; + +/** * struct nvmem_config - NVMEM device configuration * * @dev: Parent device. @@ -39,6 +52,8 @@ enum nvmem_type { * @owner: Pointer to exporter module. Used for refcounting. * @cells: Optional array of pre-defined NVMEM cells. * @ncells: Number of elements in cells. + * @keepout: Optional array of keepout ranges (sorted ascending by start). + * @nkeepout: Number of elements in the keepout array. * @type: Type of the nvmem storage * @read_only: Device is read-only. * @root_only: Device is accessibly to root only. @@ -66,6 +81,8 @@ struct nvmem_config { struct gpio_desc *wp_gpio; const struct nvmem_cell_info *cells; int ncells; + const struct nvmem_keepout *keepout; + unsigned int nkeepout; enum nvmem_type type; bool read_only; bool root_only; diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h index 54bf6b118401..47c5962b876b 100644 --- a/include/linux/uio_driver.h +++ b/include/linux/uio_driver.h @@ -117,6 +117,14 @@ extern int __must_check struct uio_info *info); /* use a define to avoid include chaining to get THIS_MODULE */ + +/** + * uio_register_device - register a new userspace IO device + * @parent: parent device + * @info: UIO device capabilities + * + * returns zero on success or a negative error code. + */ #define uio_register_device(parent, info) \ __uio_register_device(THIS_MODULE, parent, info) @@ -129,6 +137,14 @@ extern int __must_check struct uio_info *info); /* use a define to avoid include chaining to get THIS_MODULE */ + +/** + * devm_uio_register_device - Resource managed uio_register_device() + * @parent: parent device + * @info: UIO device capabilities + * + * returns zero on success or a negative error code. + */ #define devm_uio_register_device(parent, info) \ __devm_uio_register_device(THIS_MODULE, parent, info) |