ndtest: Add compatability string to treat it as PAPR family

Since this module is written to be platform agnostic, the module is made
part of the PAPR_FAMILY. ndctl identifies the family using the compatible
string inside of_node dir-entry.

Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Link: https://lore.kernel.org/r/20201222042240.2983755-3-santosh@fossix.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Santosh Sivaraj 2020-12-22 09:52:35 +05:30 committed by Dan Williams
parent 9a27e109a3
commit 107b04e970

View File

@ -65,11 +65,34 @@ static int ndtest_ctl(struct nvdimm_bus_descriptor *nd_desc,
return 0;
}
static ssize_t compatible_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "nvdimm_test");
}
static DEVICE_ATTR_RO(compatible);
static struct attribute *of_node_attributes[] = {
&dev_attr_compatible.attr,
NULL
};
static const struct attribute_group of_node_attribute_group = {
.name = "of_node",
.attrs = of_node_attributes,
};
static const struct attribute_group *ndtest_attribute_groups[] = {
&of_node_attribute_group,
NULL,
};
static int ndtest_bus_register(struct ndtest_priv *p)
{
p->bus_desc.ndctl = ndtest_ctl;
p->bus_desc.module = THIS_MODULE;
p->bus_desc.provider_name = NULL;
p->bus_desc.attr_groups = ndtest_attribute_groups;
p->bus = nvdimm_bus_register(&p->pdev.dev, &p->bus_desc);
if (!p->bus) {