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authorDan Williams <dan.j.williams@intel.com>2017-07-19 15:57:44 -0700
committerDan Williams <dan.j.williams@intel.com>2019-01-06 21:24:46 -0800
commit93694f9630b0ed29cda61df58e480dcb34ef52fd (patch)
tree7f7fff99c1017d664559d771c8bdd28503881a53 /drivers/dax
parent21b9e979501fdb5f6797193d70428a2b00bd5247 (diff)
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device-dax: Kill dax_region base
Nothing consumes this attribute of a region and devres otherwise remembers the value for de-allocation purposes. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/dax-private.h2
-rw-r--r--drivers/dax/device-dax.h5
-rw-r--r--drivers/dax/device.c3
-rw-r--r--drivers/dax/pmem.c2
4 files changed, 4 insertions, 8 deletions
diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h
index d1b36a42132f..9b393c218fe4 100644
--- a/drivers/dax/dax-private.h
+++ b/drivers/dax/dax-private.h
@@ -19,7 +19,6 @@
/**
* struct dax_region - mapping infrastructure for dax devices
* @id: kernel-wide unique region for a memory range
- * @base: linear address corresponding to @res
* @kref: to pin while other agents have a need to do lookups
* @dev: parent device backing this region
* @align: allocation and mapping alignment for child dax devices
@@ -28,7 +27,6 @@
*/
struct dax_region {
int id;
- void *base;
struct kref kref;
struct device *dev;
unsigned int align;
diff --git a/drivers/dax/device-dax.h b/drivers/dax/device-dax.h
index 688b051750bd..4f1c69e1b3a2 100644
--- a/drivers/dax/device-dax.h
+++ b/drivers/dax/device-dax.h
@@ -17,9 +17,8 @@ struct dev_dax;
struct resource;
struct dax_region;
void dax_region_put(struct dax_region *dax_region);
-struct dax_region *alloc_dax_region(struct device *parent,
- int region_id, struct resource *res, unsigned int align,
- void *addr, unsigned long flags);
+struct dax_region *alloc_dax_region(struct device *parent, int region_id,
+ struct resource *res, unsigned int align, unsigned long flags);
struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region,
int id, struct resource *res, int count);
#endif /* __DEVICE_DAX_H__ */
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index a5a670c1cd58..811c1015194c 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -100,7 +100,7 @@ static void dax_region_unregister(void *region)
}
struct dax_region *alloc_dax_region(struct device *parent, int region_id,
- struct resource *res, unsigned int align, void *addr,
+ struct resource *res, unsigned int align,
unsigned long pfn_flags)
{
struct dax_region *dax_region;
@@ -130,7 +130,6 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id,
dax_region->id = region_id;
dax_region->align = align;
dax_region->dev = parent;
- dax_region->base = addr;
if (sysfs_create_groups(&parent->kobj, dax_region_attribute_groups)) {
kfree(dax_region);
return NULL;
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index 2c1f459c0c63..72a76105eb02 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -125,7 +125,7 @@ static int dax_pmem_probe(struct device *dev)
return -EINVAL;
dax_region = alloc_dax_region(dev, region_id, &res,
- le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP);
+ le32_to_cpu(pfn_sb->align), PFN_DEV|PFN_MAP);
if (!dax_region)
return -ENOMEM;