diff options
Diffstat (limited to 'drivers/nvdimm')
| -rw-r--r-- | drivers/nvdimm/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/nvdimm/core.c | 1 | ||||
| -rw-r--r-- | drivers/nvdimm/nd-core.h | 1 | ||||
| -rw-r--r-- | drivers/nvdimm/region_devs.c | 13 |
4 files changed, 5 insertions, 11 deletions
diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig index 36af7af6b7cf..b7d1eb38b27d 100644 --- a/drivers/nvdimm/Kconfig +++ b/drivers/nvdimm/Kconfig @@ -4,6 +4,7 @@ menuconfig LIBNVDIMM depends on PHYS_ADDR_T_64BIT depends on HAS_IOMEM depends on BLK_DEV + select MEMREGION help Generic support for non-volatile memory devices including ACPI-6-NFIT defined resources. On platforms that define an diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 9204f1e9fd14..e592c4964674 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -455,7 +455,6 @@ static __exit void libnvdimm_exit(void) nd_region_exit(); nvdimm_exit(); nvdimm_bus_exit(); - nd_region_devs_exit(); nvdimm_devs_exit(); } diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index 25fa121104d0..aa059439fca0 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -114,7 +114,6 @@ struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev); int __init nvdimm_bus_init(void); void nvdimm_bus_exit(void); void nvdimm_devs_exit(void); -void nd_region_devs_exit(void); struct nd_region; void nd_region_advance_seeds(struct nd_region *nd_region, struct device *dev); void nd_region_create_ns_seed(struct nd_region *nd_region); diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index ef423ba1a711..fbf34cf688f4 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -3,6 +3,7 @@ * Copyright(c) 2013-2015 Intel Corporation. All rights reserved. */ #include <linux/scatterlist.h> +#include <linux/memregion.h> #include <linux/highmem.h> #include <linux/sched.h> #include <linux/slab.h> @@ -19,7 +20,6 @@ */ #include <linux/io-64-nonatomic-hi-lo.h> -static DEFINE_IDA(region_ida); static DEFINE_PER_CPU(int, flush_idx); static int nvdimm_map_flush(struct device *dev, struct nvdimm *nvdimm, int dimm, @@ -133,7 +133,7 @@ static void nd_region_release(struct device *dev) put_device(&nvdimm->dev); } free_percpu(nd_region->lane); - ida_simple_remove(®ion_ida, nd_region->id); + memregion_free(nd_region->id); if (is_nd_blk(dev)) kfree(to_nd_blk_region(dev)); else @@ -985,7 +985,7 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus, if (!region_buf) return NULL; - nd_region->id = ida_simple_get(®ion_ida, 0, 0, GFP_KERNEL); + nd_region->id = memregion_alloc(GFP_KERNEL); if (nd_region->id < 0) goto err_id; @@ -1044,7 +1044,7 @@ static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus, return nd_region; err_percpu: - ida_simple_remove(®ion_ida, nd_region->id); + memregion_free(nd_region->id); err_id: kfree(region_buf); return NULL; @@ -1216,8 +1216,3 @@ int nd_region_conflict(struct nd_region *nd_region, resource_size_t start, return device_for_each_child(&nvdimm_bus->dev, &ctx, region_conflict); } - -void __exit nd_region_devs_exit(void) -{ - ida_destroy(®ion_ida); -} |