[PATCH 2/6] libnvdimm: Add nd_region_destroy()

[Dan Williams]

On Fri, Mar 23, 2018 at 1:12 AM, Oliver O'Halloran <oohall at gmail.com> wrote:
> Currently there's no way to remove a region from and nvdimm_bus without
> tearing down the whole bus. This patch adds an API for removing a single
> region from the bus so that we can implement a sensible unbind operation
> for the of_nd_region platform driver.
>
> Signed-off-by: Oliver O'Halloran <oohall at gmail.com>
> ---
>  drivers/nvdimm/region_devs.c | 6 ++++++
>  include/linux/libnvdimm.h    | 1 +
>  2 files changed, 7 insertions(+)
>
> diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
> index 2f1d5771100e..76f46fd1fae0 100644
> --- a/drivers/nvdimm/region_devs.c
> +++ b/drivers/nvdimm/region_devs.c
> @@ -1039,6 +1039,12 @@ struct nd_region *nvdimm_blk_region_create(struct nvdimm_bus *nvdimm_bus,
>  }
>  EXPORT_SYMBOL_GPL(nvdimm_blk_region_create);
>
> +void nd_region_destroy(struct nd_region *region)

Let's put this in the "nvdimm_" namespace so it pairs with the
nvdimm_*_region_create() apis.