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pmem: kill memremap_pmem()

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Now that the pmem-api is defined as "a set of apis that enables access
to WB mapped pmem",  the mapping type is implied.  Remove the wrapper
and push the functionality down into the pmem driver in preparation for
adding support for direct-mapped pmem.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2015-09-15 02:14:03 -04:00
parent c9cdaeb202
commit a639315d6c
2 changed files with 6 additions and 29 deletions
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9
drivers/nvdimm/pmem.c
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@@ -157,8 +157,9 @@ static struct pmem_device *pmem_alloc(struct device *dev,
return addr;
pmem->virt_addr = (void __pmem *) addr;
} else {
pmem->virt_addr = memremap_pmem(dev, pmem->phys_addr,
pmem->size);
pmem->virt_addr = (void __pmem *) devm_memremap(dev,
pmem->phys_addr, pmem->size,
ARCH_MEMREMAP_PMEM);
if (!pmem->virt_addr)
return ERR_PTR(-ENXIO);
}
@@ -363,8 +364,8 @@ static int nvdimm_namespace_attach_pfn(struct nd_namespace_common *ndns)
/* establish pfn range for lookup, and switch to direct map */
pmem = dev_get_drvdata(dev);
memunmap_pmem(dev, pmem->virt_addr);
pmem->virt_addr = (void __pmem *)devm_memremap_pages(dev, &nsio->res);
devm_memunmap(dev, (void __force *) pmem->virt_addr);
pmem->virt_addr = (void __pmem *) devm_memremap_pages(dev, &nsio->res);
if (IS_ERR(pmem->virt_addr)) {
rc = PTR_ERR(pmem->virt_addr);
goto err;