libnvdimm, pmem: clean up resource print / request

The leading '0x' in front of %pa is redundant, also we can just use %pR
to simplify the print statement.  The request parameters can be directly
taken from the resource as well.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index d936defdc1e2082e3db68f9c3692f2193adfec5f..67d48e2e8ca21a9b9ef917a1e8110f02c11ca3e6 100644 (file)
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -224,10 +224,9 @@ static struct pmem_device *pmem_alloc(struct device *dev,
        if (!arch_has_wmb_pmem())
                dev_warn(dev, "unable to guarantee persistence of writes\n");
 
-       if (!devm_request_mem_region(dev, pmem->phys_addr, pmem->size,
-                       dev_name(dev))) {
-               dev_warn(dev, "could not reserve region [0x%pa:0x%zx]\n",
-                               &pmem->phys_addr, pmem->size);
+       if (!devm_request_mem_region(dev, res->start, resource_size(res),
+                               dev_name(dev))) {
+               dev_warn(dev, "could not reserve region %pR\n", res);
                return ERR_PTR(-EBUSY);
        }