[PATCH v2 4/4] cxl/mem: Disable cxl device power management

Dan Williams
2021-03-30T02:48:54Z

There is no power management of cxl virtual devices, disable
device-power-management and runtime-power-management to prevent
userspace from growing expectations of those attributes appearing. They
can be added back in the future if needed.

Reviewed-by: Ben Widawsky <ben.widawsky@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/cxl/mem.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 508f0dc483f2..e578e82eb33d 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -1210,6 +1210,7 @@ static struct cxl_memdev *cxl_memdev_alloc(struct cxl_mem *cxlm)
dev->bus = &cxl_bus_type;
dev->devt = MKDEV(cxl_mem_major, cxlmd->id);
dev->type = &cxl_memdev_type;
+ device_set_pm_not_required(dev);

cdev = &cxlmd->cdev;
cdev_init(cdev, &cxl_memdev_fops);