Commit 41f95db7 authored by Jerry Hoemann's avatar Jerry Hoemann Committed by Dan Williams
Browse files

acpi, nfit: Show bus_dsm_mask in sysfs 



Display bus_dsm_mask in sysfs as /sys/bus/nd/devices/ndbusX/nfit/dsm_mask.

Signed-off-by: default avatarJerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 7db5bb33

drivers/acpi/nfit/core.c

+12 −0
Original line number Diff line number Diff line
@@ -929,6 +929,17 @@ static int nfit_mem_init(struct acpi_nfit_desc *acpi_desc) 
	return 0;

}



static ssize_t bus_dsm_mask_show(struct device *dev,

		struct device_attribute *attr, char *buf)

{

	struct nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);

	struct nvdimm_bus_descriptor *nd_desc = to_nd_desc(nvdimm_bus);



	return sprintf(buf, "%#lx\n", nd_desc->bus_dsm_mask);

}

static struct device_attribute dev_attr_bus_dsm_mask =

		__ATTR(dsm_mask, 0444, bus_dsm_mask_show, NULL);



static ssize_t revision_show(struct device *dev,

		struct device_attribute *attr, char *buf)

{
@@ -1065,6 +1076,7 @@ static struct attribute *acpi_nfit_attributes[] = { 
	&dev_attr_revision.attr,

	&dev_attr_scrub.attr,

	&dev_attr_hw_error_scrub.attr,

	&dev_attr_bus_dsm_mask.attr,

	NULL,

};